{"id":54404,"date":"2022-04-30T08:14:54","date_gmt":"2022-04-30T02:44:54","guid":{"rendered":"https:\/\/ccssanswers.com\/?p=54404"},"modified":"2022-04-29T11:21:01","modified_gmt":"2022-04-29T05:51:01","slug":"go-math-grade-1-answer-key-chapter-5","status":"publish","type":"post","link":"https:\/\/ccssanswers.com\/go-math-grade-1-answer-key-chapter-5\/","title":{"rendered":"Go Math Grade 1 Answer Key Chapter 5 Addition and Subtraction Relationships"},"content":{"rendered":"

Go Math Grade 1 Chapter 5 Answer Key Addition and Subtraction Relationships<\/h2>\n

\"Go
\nCurious George<\/strong>
\nChildren tap the Liberty Bell 4 times. Then they tap it 9 more times. How many times do the children tap the bell?<\/p>\n

Answer:
\nThe number of times children tab the bell = 13 times.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nChildren tap the liberty bell 4 times.
\nThen they tap it 9 more times.
\n4 + 9 = 13.
\nThe number of times children tap the bell = 13 times.<\/p>\n

Addition and Subtraction Relationships Show What You Know<\/h3>\n

Add in Any Order<\/strong><\/p>\n

Use \"Go. Color to match.
\nWrite each sum.<\/p>\n

Question 1.
\n\"Go<\/p>\n

Answer:
\nThe number of cubes = 4.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe cubes 1 + 3 = 4.
\n3 + 1 = 4.
\nso the number of cubes = 4.
\n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

Count On<\/strong>
\nUse the number line to add. Write each sum.<\/p>\n

\"Go<\/p>\n

Question 2.
\n6 + 3 = _9_<\/p>\n

Answer:
\nThe sum of 6 and 3 = 9.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 6 and 3.
\n6 + 3 = 9.
\nthe sum of 6 and 3 = 9.<\/p>\n

Question 3.
\n7 + 1 = _8_<\/p>\n

Answer:
\nThe sum of 7 and 1 = 8.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 7 and 1.
\n7 + 1 = 8.
\nthe sum of 7 and 1 = 8.<\/p>\n

Question 4.
\n8 + 2 = _10_<\/p>\n

Answer:
\nThe sum of 8 and 2 = 10.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 2.
\n8 + 2 = 10.
\nthe sum of 8 and 2 = 10.<\/p>\n

Count Back<\/strong>
\nUse the number line to subtract. Write each difference.
\n\"Go<\/p>\n

Question 5.
\n11 – 2 = _9_<\/p>\n

Answer:
\nThe difference of 11 and 2 = 9.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 11 and 2.
\n11 – 2 = 9.
\nthe difference of 11 and 2 = 9.<\/p>\n

Question 6.
\n8 – 3 = _5_<\/p>\n

Answer:
\nThe difference of 8 and 3 = 5.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 3.
\n8 – 3 = 5.
\nthe difference of 8 and 3 = 5.<\/p>\n

Question 7.
\n9 – 1 = _8_<\/p>\n

Answer:
\nThe difference of 9 and 1 = 8.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 9 and 1.
\n9 – 1 = 8.
\nthe difference of 9 and 1 = 8.<\/p>\n

Addition and Subtraction Relationships Vocabulary Builder<\/h3>\n

Visualize It<\/strong>
\nSort the review words from the box.
\n\"Go<\/p>\n

Understand Vocabulary<\/strong><\/p>\n

Follow the directions.<\/p>\n

Question 1.
\nWrite an addition fact.
\n\"Go<\/p>\n

Answer:
\nThe sum of 8 and 2 = 10.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 2.
\n8 + 2 = 10.
\nthe sum of 8 and 2 = 10.
\n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

Question 2.
\nWhat is the sum?
\n_10_<\/p>\n

Answer:
\nThe sum of 8 and 2 = 10.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 2.
\n8 + 2 = 10.
\nthe sum of 8 and 2 = 10.<\/p>\n

Question 3.
\nWrite a subtraction fact.
\n\"Go<\/p>\n

Answer:
\nThe difference of 8 and 3 = 5.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 3.
\n8 – 3 = 5.
\nthe difference of 8 and 3 = 5.
\n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

Question 4.
\nWhat is the difference?
\n_5__<\/p>\n

Answer:
\nThe difference of 8 and 3 = 5.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\nthe numbers are 8 and 3.
\n8 – 3 = 5.
\nthe difference of 8 and 3 = 5.<\/p>\n

Addition and Subtraction Relationships Game: Add to Subtract Bingo<\/h3>\n

Materials<\/strong>
\n\"Go<\/p>\n

Play with a partner.
\nEach player picks \"Go or \"Go.
\n1. Mix the addition cards. Each player gets 8 cards. Show your cards faceup.
\n2. Put the subtraction cards in a pile facedown.
\n3. Take a subtraction card. Do you have the addition fact that helps you subtract?
\n4. If so, put the cards together and cover a space with a \"Go. If not, you lose a turn.
\n5. The first player to cover 3 spaces in a row wins.
\n\"Go<\/p>\n

Answer:
\nThe difference of 8 and 3 = 5.<\/p>\n

Explanation:
\nIn the above-given question,
\ngiven that,
\ntotally there are 16 cards.
\nso each player gets 8 cards.
\nI am picking the subtraction card.
\n8 – 3 = 5.<\/p>\n

Addition and Subtraction Relationships Vocabulary Game<\/h3>\n

Go Fish<\/strong><\/p>\n

Materials<\/strong>
\n4 sets of word cards<\/p>\n

How to Play<\/strong>
\nPlay with two other players.<\/p>\n

    \n
  1. Mix the cards. Give 5 cards to each player. Put the rest in a pile face-down.<\/li>\n
  2. Ask a player for a word to match a word in your hand.\n
      \n
    • If the player has the word, he or she gives the card to you.<\/li>\n
    • If the player does not have the word, he or she says, \u201cGo fish.\u201d Take a card from the pile.<\/li>\n<\/ul>\n<\/li>\n
    • Take turns.<\/li>\n
    • When there are no more word cards in the pile, find all the words matched words in your cards. The player with the most matches wins.<\/li>\n<\/ol>\n

      \"Go<\/p>\n

      Answer:<\/p>\n

      The sum of 8 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \ntotally there are 10 cards.
      \nso each player gets 85 cards.
      \nI am picking the Addition card.
      \n8 + 3 = 11.<\/p>\n

      The Write Way<\/strong><\/p>\n

      Reflect<\/strong>
      \nChoose one idea. Draw and write about it.
      \n\u2022 Max wants to know if the following is correct
      \n3 + 5 = 6 + 2
      \nDraw and write to tell how you know.
      \n\u2022 Tell three things you know about adding and subtracting numbers.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 3 and 5 = 6 and 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 3 and 5.
      \nthe numbers are 6 and 2.
      \n3 + 5 = 8.
      \n6 + 2 = 10.
      \nthe sum of 3 and 5 = 6 and 2.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.1 Problem Solving \u2022 Add or Subtract<\/h3>\n

      Essential Question<\/strong>
      \nHow can making a model help you solve a problem?<\/p>\n

      There are 16 turtles on the beach. Some swim away. Now there are 9 turtles on the beach. How many turtles swim away?<\/p>\n

      Answer:
      \nThe number of turtles swims away = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 16 turtles on the beach.
      \nsome swim away.
      \nNow there are 9 turtles on the beach.
      \n16 – 9 = 7.<\/p>\n

      Unlock the Problem<\/strong><\/p>\n

      What do I need to find?
      \n\"Go
      \nWhat information do I need to use?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of turtles swims away = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 16 turtles on the beach.
      \nsome swim away.
      \nNow there are 9 turtles on the beach.
      \n16 – 9 = 7.<\/p>\n

      Show how to solve the problem.
      \n\"Go<\/p>\n

      Answer:
      \nThe number of turtles swims away = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 16 turtles on the beach.
      \nsome swim away.
      \nNow there are 9 turtles on the beach.
      \n16 – 9 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition
      \nHOME CONNECTION<\/strong>
      \n\u2022 Your child made a model to visualize the problem. The model helps your child see what part of the problem to find.<\/p>\n

      Try Another Problem<\/strong><\/p>\n

      Make a model to solve. Use \"Go to help you.<\/p>\n

      Question 1.
      \nThere are 4 rabbits in the garden. Some more rabbits come. Now there are 12 rabbits. How many rabbits come to the garden?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of rabbits that come to the garden\u00a0 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 4 rabbits in the garden.
      \nsome more rabbits come.
      \nNow there are 12 rabbits.
      \n8 + 4 = 12.
      \nThe number of rabbits that come to the garden\u00a0 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nThere are 14 birds in a tree. Some birds fly away. There are 9 birds still in the tree. How many birds fly away?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of birds that fly away\u00a0 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 14 birds in a tree.
      \nsome birds fly away.
      \nThere are 9 birds still in the tree.
      \n14 – 9 = 5.
      \nThe number of birds that fly away\u00a0 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nModel Explain how to find the missing number.<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Make a model to solve.<\/p>\n

      Question 3.
      \nThere are 20 ducks in the pond. Then 10 ducks swim away. How many ducks are still in the pond?
      \n\"Go
      \n20 ducks 10 swim away _10_ ducks still in the pond<\/p>\n

      Answer:
      \nThe number of ducks still in the pond = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 20 ducks in the pond.
      \nThen 10 ducks swim away.
      \n20 – 10 = 10.
      \nThe number of ducks still in the pond\u00a0 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nTHINK SMARTER<\/strong>
      \n3 eagles land in the trees. Now 12 eagles are in the trees. How many eagles were in the trees to start?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of eagles was in the trees to start = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n3 eagles land in the trees.
      \nnow 12 eagles are in the trees.
      \n12 – 3 = 8.
      \nThe number of eagles was in the trees to start = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n8 squirrels are in the park. Some more squirrels come. Now there are 16 squirrels. How many squirrels come to the park?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of squirrels that come to the park =\u00a0 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n8 squirrels are in the park.
      \nsome more squirrels come.
      \nnow there are 16 squirrels.
      \n8 + 8 = 16.
      \nThe number of squirrels come to the park = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own WRITE Math<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong>
      \nRepresent a Problem<\/strong>
      \nSolve. Draw or write to show your work.<\/p>\n

      Question 6.
      \nLiz picks 15 flowers. 7 are pink. The rest are yellow. How many are yellow?
      \n\"Go
      \n_8_ yellow flowers<\/p>\n

      Answer:
      \nThe number of flowers that are yellow =\u00a0 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nLiz picks 15 flowers.
      \n7 are pink.
      \nthe rest are yellow.
      \n15 – 7 = 8.
      \nThe number of flowers that are yellow = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nCindy has 14 sand dollars. She has the same number of large and small sand dollars. Write a number sentence about the sand dollars.
      \n\"Go<\/p>\n

      Answer:
      \nThe number of small dollars =\u00a0 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nCindy has 14 sand dollars.
      \nshe has the same number of large and small dollars.
      \n7 + 7 = 14.
      \nThe number of small dollars = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \nTHINK SMARTER<\/strong>
      \nSam has 3 more books than Ed. Sam has 8 books. How many books does Ed have?
      \n_5_ books<\/p>\n

      Answer:
      \nThe number of books Ed has = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nSam has 3 more books than Ed.
      \nSam has 8 books.
      \n8 – 3 = 5.
      \nThe number of books Ed has = 5.<\/p>\n

      Question 9.
      \nTHINK SMARTER<\/strong>
      \nThere are 7 eggs in a nest. Some eggs hatch. Now there are 5 left. How many eggs hatch?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of eggs hatch = 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 7 eggs in a nest.
      \nsome eggs hatch.
      \nnow there are 5 left.
      \n7 – 5 = 2.
      \nThe number of eggs hatch = 2.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Ask your child to look at Exercise 7 and use the number 18 as the total number of sand dollars. Then have your child write a number sentence.<\/p>\n

      Answer:
      \nThe number of small dollars =\u00a0 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nCindy has 18 sand dollars.
      \nshe has the same number of large and small dollars.
      \n9 + 9 = 18.
      \nThe number of small dollars = 18.<\/p>\n

      Problem Solving \u2022 Add or Subtract Homework & Practice 5.1<\/h3>\n

      Add or Subtract<\/strong><\/p>\n

      Make a model to solve.<\/strong><\/p>\n

      Question 1.
      \nStan has 12 stickers. Some stickers are new. 4 stickers are old. How many stickers are new?
      \n\"Go
      \n_8_ new stickers<\/p>\n

      Answer:
      \nThe number of new stickers =\u00a0 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nStan has 12 stickers.
      \nsome stickers are new.
      \n4 stickers are old.
      \n12 – 4 = 8.
      \nThe number of new stickers = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nLiz has 9 toy bears. Then she buys some more. Now she has 15 toy bears. How many toy bears did she buy?
      \n\"Go
      \n_6_ toy bears<\/p>\n

      Answer:
      \nThe number of toy bears did she buy =\u00a0 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThe number of small dollars = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nEric buys 6 books. Now he has 16 books. How many books did he have to start?
      \n\"Go
      \n_10_ books<\/p>\n

      Answer:
      \nThe number of books did he have to start = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nEric buys 6 books.
      \nNow he has 16 books.
      \n16 – 6 = 10.
      \nThe number of books did he have to start = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition
      \nQuestion 4.
      \nWRITE Math<\/strong>
      \nWrite an addition story problem. Have a classmate solve your problem.<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Use the model to solve.<\/strong><\/p>\n

      Question 1.
      \nArlo has 17 bean bag animals. Some are fuzzy. 9 bean bag animals are not fuzzy. How many animals are fuzzy?
      \n_8_ fuzzy animals
      \n\"Go<\/p>\n

      Answer:
      \nThe number of animals that are fuzzy = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nArlo has 17 bean bag animals.
      \nSome are fuzzy.
      \n9 bean bag animals are not fuzzy.
      \n17 – 9 = 8.
      \nThe number of animals that are fuzzy = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nCount back 1, 2, or 3. Write the difference.
      \n_8_ = 11 – 3<\/p>\n

      Answer:
      \nThe difference of 11 and 3 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 3.
      \n11 – 3 = 8.
      \nthe difference of 11 and 3 = 8.<\/p>\n

      Answer:
      \nThe difference of 11 and 2 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 2.
      \n11 – 2 = 9.
      \nthe difference of 11 and 2 = 9.<\/p>\n

      Answer:
      \nThe difference of 11 and 1 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 1.
      \n11 – 1 = 10.
      \nthe difference of 11 and 1 = 10.<\/p>\n

      Question 3.
      \nUse \"Go Color to show how to make ten. Complete the addition sentence.
      \n\"Go
      \n10 = _5_ + _5_<\/p>\n

      Answer:
      \nThe sum of 5 and 5 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 5.
      \n5 + 5 = 10.
      \nthe sum of 5 and 5 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.2 Record Related Facts<\/h3>\n

      Essential Question<\/strong>
      \nHow do related facts help you find missing numbers?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Listen to the problem.
      \nModel with \"Go or an i Tool. Draw your model. Write the number sentence.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 8 and 3 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 – 3 = 5.
      \nthe difference of 8 and 3 = 5.<\/p>\n

      Answer:
      \nThe sum of 8 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 + 3 = 11.
      \nthe sum of 8 and 3 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nUse Tools<\/strong> Explain how your model helps you write your number sentence.<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 9 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 + 5 = 14.
      \nthe sum of 5 and 9 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 9 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 9.
      \n14 – 9 = 5.
      \nthe difference of 14 and 9 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 6 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 6.
      \n7 + 6 = 13.
      \nthe sum of 7 and 6 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong><\/p>\n

      Analyze Relationships<\/strong>
      \nUse \"Go Add or subtract. Complete the related facts.<\/p>\n

      Question 4.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 8 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 5 and 8 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 5 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 5.
      \n13 – 5 = 8.
      \nthe difference of 13 and 5 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 9 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 6.
      \n9 + 6 = 15.
      \nthe sum of 6 and 9 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 6 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 6.
      \n15 – 6 = 9.
      \nthe difference of 15 and 6 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nTHINK SMARTER<\/strong>
      \nCircle the number sentence that has a mistake. Correct it to complete the related facts.
      \n7 + 9 = 16
      \n16 + 9 = 7
      \n9 + 7 = 16
      \n16 – 7 =9<\/p>\n

      \"Go<\/p>\n

      Answer:
      \nThe number sentence that has a mistake is 16 + 9 = 7.<\/p>\n

      Answer:
      \nIn the above-given question,
      \ngiven that,
      \nthe number of sentences that are correct.
      \n7 + 9 = 16.
      \n9 + 7 = 16.
      \n16 – 7 = 9.
      \n16 – 9 = 7.
      \nThe number sentence that has a mistake is 16 + 9 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      Question 8.
      \nGO DEEPER<\/strong>
      \nChoose three numbers to make related facts. Choose numbers between 0 and 18. Write your numbers. Write the related facts.
      \n\"Go<\/p>\n

      Answer:
      \nThe number sentence that has a mistake is 16 + 9 = 7.<\/p>\n

      Answer:
      \nIn the above-given question,
      \ngiven that,
      \nthe number of sentences that are correct.
      \n7 + 9 = 16.
      \n9 + 7 = 16.
      \n16 – 7 = 9.
      \n16 – 9 = 7.
      \nThe number sentence that has a mistake is 16 + 9 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 9.
      \nTHINK SMARTER<\/strong>
      \nWhich fact is a related fact?
      \n\"Go<\/p>\n

      Answer:
      \nThe related fact = 9 – 6 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 + 3 = 9.
      \n3 + 6 = 9.
      \n9 – 3 = 6.
      \nThe related fact is 9 – 6 = 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Write an addition fact. Ask your child to write three other related facts.<\/p>\n

      Record Related Facts Homework & Practice 5.2<\/h3>\n

      Use \"Go Add or subtract. Complete the related facts.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 8.
      \n4 + 8 = 12.
      \nthe sum of 8 and 4 = 12.<\/p>\n

      Answer:
      \nThe difference of 12 and 8 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 8.
      \n12 – 8 = 4.
      \nthe difference of 12 and 8 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 4 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 4.
      \n5 + 4 = 9.
      \nthe sum of 5 and 4 = 9.<\/p>\n

      Answer:
      \nThe difference of 9 and 4 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 – 5 = 4.
      \nthe difference of 9 and 4 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Choose a way to solve. Write or draw to explain.<\/p>\n

      Question 3.
      \nThere are 16 apples on the tree. No apples fall off. How many apples are still on the tree?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of apples still on the tree =\u00a0 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 16 apples on the tree.
      \nno apples fall off.
      \nThe number of apples still on the tree = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nMath Write four related facts. Use pictures to show how the number sentences are related.
      \n\"Go
      \n__________________
      \n__________________<\/p>\n

      Answer:
      \nThe sum of 5 and 4 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 4.
      \n5 + 4 = 9.
      \nthe sum of 5 and 4 = 9.<\/p>\n

      Answer:
      \nThe difference of 9 and 4 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 – 5 = 4.
      \nthe difference of 9 and 4 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nWrite a related fact.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 4 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 4.
      \n7 + 4 = 11.
      \nthe sum of 7 and 4 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 7 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 7.
      \n11 – 7 = 4.
      \nthe difference of 11 and 7 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nComplete the subtraction sentence.
      \n6 – 6 = _0_<\/p>\n

      Answer:
      \nThe difference of 6 and 6 = 0.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 6.
      \n6 – 6 = 0.
      \nthe difference of 6 and 6 = 0.<\/p>\n

      Question 3.
      \nWrite an addition sentence that helps you solve 15 \u2212 9
      \n_6_ + _9_ = _15_<\/p>\n

      Answer:
      \nThe difference of 15 and 9 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 9.
      \n15 – 9 = 6.
      \nthe difference of 15 and 9 = 6.<\/p>\n

      Lesson 5.3 Identify Related Facts<\/h3>\n

      Essential Question<\/strong>
      \nHow do you know if addition and subtraction facts are related?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Use \"Go to show 4 + 9 = 13.
      \nDraw \"Go to show a related subtraction fact.
      \nWrite the subtraction sentence.<\/p>\n

      \"Go<\/p>\n

      Answer:
      \nThe difference of 9 and 13 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 13.
      \n13 – 9 = 4.
      \nthe difference of 13 and 9 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nLook for Structure Why is your subtraction sentence related to 4 + 9 = 13?<\/p>\n

      Answer:
      \nThe difference of 9 and 13 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 13.
      \n13 – 9 = 4.
      \nthe difference of 13 and 9 = 4.<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Add and subtract.
      \nCircle the related facts<\/p>\n

      Question 1.
      \n6 + 4 = _10_
      \n10 – 4 =_6_<\/p>\n

      Answer:
      \nThe sum of 6 and 4 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 6.
      \n4 + 6 = 10.
      \nthe sum of 6 and 4 = 10.<\/p>\n

      Answer:
      \nThe difference of 10 and 4 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 4.
      \n10 – 4 = 6.
      \nthe difference of 10 and 4 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n_17_ = 9 + 8
      \n_9_ = 17 – 8<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n9 + 5 = _14_
      \n9 – 5 = _4_<\/p>\n

      Answer:
      \nThe sum of 9 and 5 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 + 5 = 14.
      \nthe sum of 9 and 5 = 14.<\/p>\n

      Answer:
      \nThe difference of 9 and 5 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 – 5 = 4.
      \nthe difference of 9 and 5 = 4.<\/p>\n

      Question 4.
      \n8 + 7 = _15_
      \n15 – 7 = _8_<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n_11_ = 9 + 2
      \n_7_ = 9 – 2<\/p>\n

      Answer:
      \nThe sum of 9 and 2 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 2.
      \n9 + 2 = 11.
      \nthe sum of 9 and 2 = 11.<\/p>\n

      Answer:
      \nThe difference of 9 and 2 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 2.
      \n9 – 2 = 7.
      \nthe difference of 9 and 2 = 7.<\/p>\n

      Question 6.
      \n6 + 3 = _9_
      \n12 – 3 = _9_<\/p>\n

      Answer:
      \nThe sum of 6 and 3 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 3.
      \n6 + 3 = 9.
      \nthe sum of 6 and 3 = 9.<\/p>\n

      Answer:
      \nThe difference of 12 and 3 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 3.
      \n12 – 3 = 9.
      \nthe difference of 12 and 3 = 9.<\/p>\n

      Question 7.
      \n4 + 8 = _12_
      \n12 – 8 = _4_<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 8.
      \n4 + 8 = 12.
      \nthe sum of 8 and 4 = 12.<\/p>\n

      Answer:
      \nThe difference of 12 and 8 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 8.
      \n12 – 8 = 4.
      \nthe difference of 12 and 8 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \n_13_ = 7 + 6
      \n_7_ = 13 – 6<\/p>\n

      Answer:
      \nThe sum of 7 and 6 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 6.
      \n7 + 6 = 13.
      \nthe sum of 7 and 6 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.<\/p>\n

      Question 9.
      \n9 + 9 = _18_
      \n18 – 9 = _9_<\/p>\n

      Answer:
      \nThe sum of 9 and 9 = 18.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 9.
      \n9 + 9 = 18.
      \nthe sum of 9 and 9 = 18.<\/p>\n

      Answer:
      \nThe difference of 18 and 9 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 18 and 9.
      \n18 – 9 = 9.
      \nthe difference of 18 and 9 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      Question 10.
      \nMATHEMATICAL PRACTICE<\/strong>
      \nIdentify Relationships<\/strong> Add and subtract. Color the leaves that have related facts.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 8.
      \n4 + 8 = 12.
      \nthe sum of 8 and 4 = 12.<\/p>\n

      Answer:
      \nThe difference of 8 and 4 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 4.
      \n8 – 4 = 4.
      \nthe difference of 8 and 4 = 4.<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.<\/p>\n

      Answer:
      \nThe sum of 10 and 10 = 20.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 10.
      \n10 + 10 = 20.
      \nthe sum of 10 and 10 = 20.<\/p>\n

      Answer:
      \nThe difference of 20 and 10 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 20 and 10.
      \n20 – 10 = 10.
      \nthe difference of 20 and 10 = 10.<\/p>\n

      Answer:
      \nThe sum of 9 and 4 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 9.
      \n4 + 9 = 13.
      \nthe sum of 9 and 4 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 4 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 4.
      \n13 – 4 = 8.
      \nthe difference of 13 and 4 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving \u2022 Applications WRITE Math<\/strong><\/p>\n

      GO DEEPER<\/strong>
      \nUse the numbers to write related addition and subtraction sentences.
      \n\"Go<\/p>\n

      Question 11.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 4 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 5.
      \n4 + 5 = 9.
      \nthe sum of 5 and 4 = 9.<\/p>\n

      Answer:
      \nThe difference of 9 and 5 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 – 5 = 4.
      \nthe difference of 9 and 5 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 12.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 7 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 7.
      \n5 + 7 = 12.
      \nthe sum of 5 and 7 = 12.<\/p>\n

      Answer:
      \nThe difference of 12 and 7 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 7.
      \n12 – 7 = 5.
      \nthe difference of 12 and 7 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 13.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 5 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 8.
      \n5 + 8 = 13.
      \nthe sum of 8 and 5 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 8 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 8.
      \n13 – 8 = 5.
      \nthe difference of 13 and 8 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 14.
      \nTHINK SMARTER<\/strong>
      \nWhich number cannot be used to write related number sentences? Explain.
      \n\"Go<\/p>\n

      Question 15.
      \nTHINK SMARTER<\/strong>
      \nLook at the facts. Are they related facts? Choose Yes or No.
      \n\"Go<\/p>\n

      Answer:
      \nYes, they are related facts.<\/p>\n

      Answer:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 – 8 = 5.
      \n5 + 8 = 13.
      \nYes, they are related facts.<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Write 7, 9, 16, +, \u2212, and = on separate slips of paper. Have your child use the slips of paper to show related facts.<\/p>\n

      Answer:
      \nThe sum of 7 and 9 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 9.
      \n7 + 9 = 16.
      \nthe sum of 7 and 9 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.<\/p>\n

      Identify Related Facts Homework & Practice 5.3<\/h3>\n

      Add and subtract.<\/strong>
      \nCircle the related facts.<\/strong><\/p>\n

      Question 1.
      \n5 + 6 = _11_
      \n11 – 6 = _5_<\/p>\n

      Answer:
      \nThe sum of 6 and 5 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 6.
      \n5 + 6 = 11.
      \nthe sum of 6 and 5 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 6 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 6.
      \n11 – 6 = 5.
      \nthe difference of 11 and 6 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n4 + 9 = _13_
      \n9 – 4 = _5_<\/p>\n

      Answer:
      \nThe sum of 4 and 9 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 9.
      \n4 + 9 = 13.
      \nthe sum of 4 and 9 = 13.<\/p>\n

      Answer:
      \nThe difference of 9 and 4 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 4.
      \n9 – 4 = 5.
      \nthe difference of 9 and 4 = 5.<\/p>\n

      Question 3.
      \n4 + 7 = _11_
      \n11 – 7 = _4_<\/p>\n

      Answer:
      \nThe sum of 7 and 4 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 4.
      \n7 + 4 = 11.
      \nthe sum of 7 and 4 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 7 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 7.
      \n11 – 7 = 4.
      \nthe difference of 11 and 7 = 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n9 + 8 = _17_
      \n17 – 8 = _9_<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n5 + 7 = _12_
      \n7 – 5 = _2_<\/p>\n

      Answer:
      \nThe sum of 7 and 5 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 7.
      \n5 + 7 = 12.
      \nthe sum of 7 and 5 = 12.<\/p>\n

      Answer:
      \nThe difference of 7 and 5 = 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 5.
      \n7 – 5 = 2.
      \nthe difference of 7 and 5 = 2.<\/p>\n

      Question 6.
      \n6 + 8 = _14_
      \n14 – 8 = _6_<\/p>\n

      Answer:
      \nThe sum of 8 and 6 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 8.
      \n6 + 8 = 14.
      \nthe sum of 8 and 6 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 8 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 8.
      \n14 – 8 = 6.
      \nthe difference of 14 and 8 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Question 7.
      \nUse the numbers to write related addition and subtraction sentences.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 8 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 8.
      \n15 – 8 = 7.
      \nthe difference of 15 and 8 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \nWRITE Math<\/strong>
      \nUse numbers and pictures to show related facts with the numbers 7, 9, and 16.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 9 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 9.
      \n7 + 9 = 16.
      \nthe sum of 7 and 9 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nWrite a related fact for 7 + 6 = 13.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nDraw lines to match. Subtract to compare. How many fewer \"Go than \"Go are there?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of fewer leaves = 1.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 8 penguins.
      \n7 leaves.
      \n8 – 7 = 1.
      \nThe number of fewer leaves = 1.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nUse doubles to help you add 7 + 8.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 8 and 7 = 15.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.4 Use Addition to Check Subtraction<\/h3>\n

      Essential Question<\/strong>
      \nHow can you use addition to check subtraction?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Draw and write to solve the problem.<\/p>\n

      \"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nLook for Structure Does Erin get all her books back? Use the number sentences to explain how you know.<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Subtract. Then add to check your answer.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 13 and 7 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 7.
      \n13 – 7 = 6.
      \nthe difference of 13 and 7 = 6.<\/p>\n

      Answer:
      \nThe sum of 6 and 7 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 7.
      \n6 + 7 = 13.
      \nthe sum of 6 and 7 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 14 and 5 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 5.
      \n14 – 5 = 9.
      \nthe difference of 14 and 5 = 9.<\/p>\n

      Answer:
      \nThe sum of 9 and 5 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 + 5 = 14.
      \nthe sum of 9 and 5 = 14.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 12 and 5 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 5.
      \n12 – 5 = 7.
      \nthe difference of 12 and 5 = 7.<\/p>\n

      Answer:
      \nThe sum of 5 and 7 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 7.
      \n5 + 7 = 12.
      \nthe sum of 5 and 7 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 17 and 9 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 9.
      \n17 – 9 = 8.
      \nthe difference of 17 and 9 = 8.<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong>
      \nLook for Structure Subtract. Then add to check your answer.<\/p>\n

      Question 5.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 11 and 3 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 3.
      \n11 – 3 = 8.
      \nthe difference of 11 and 3 = 8.<\/p>\n

      Answer:
      \nThe sum of 8 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 + 3 = 11.
      \nthe sum of 8 and 3 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 13 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 9.
      \n13 – 9 = 7.
      \nthe difference of 13 and 9 = 7.<\/p>\n

      Answer:
      \nThe sum of 9 and 7 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 7.
      \n9 + 7 = 13.
      \nthe sum of 9 and 7 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nTHINK SMARTER<\/strong>
      \nBrianna has 13 sand dollars. Some sand dollars are broken. 5 sand dollars are not broken. Write number sentences about the sand dollars.
      \n\"Go<\/p>\n

      Answer:
      \nThe number of sand dollars is not broken = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nBrianna has 13 sand dollars.
      \nsome sand dollars are broken.
      \n5 sand dollars are not broken.
      \n13 – 5 = 8.
      \nThe number of sand dollars is not broken = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \nGO DEEPER<\/strong>
      \nSubtract to solve. Then add to check your answer.
      \nLiam took 15 balloons to the party. All but 6 of the balloons were red. How many balloons were red?
      \n_6_ red balloons
      \n\"Go<\/p>\n

      Answer:
      \nThe number of red balloons = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nLiam took 15 balloons to the party.
      \nAll but 6 of the balloons were red.
      \n15 – 6 = 8.
      \nThe number of red balloons = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Write 11 \u2212 7 = \u2610 on a sheet of paper. Ask your child to find the difference and then write an addition sentence he or she can use to check the subtraction.<\/p>\n

      Answer:
      \nThe difference of 11 and 7 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 7.
      \n11 – 7 = 4.
      \nthe difference of 11 and 7 = 4.<\/p>\n

      Answer:
      \nThe sum of 7 and 4 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 4.
      \n7 + 4 = 11.
      \nthe sum of 7 and 4 = 11.<\/p>\n

      Use Addition to Check Subtraction Homework & practice 5.4<\/h3>\n

      Subtract. Then add to check your answer.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 12 and 4 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 4.
      \n12 – 4 = 8.
      \nthe difference of 12 and 4 = 8.<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 8.
      \n4 + 8 = 12.
      \nthe sum of 8 and 4 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 15 and 9 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 9.
      \n15 – 9 = 6.
      \nthe difference of 15 and 9 = 6.<\/p>\n

      Answer:
      \nThe sum of 6 and 9 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 6.
      \n9 + 6 = 15.
      \nthe sum of 6 and 9 = 15.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Subtract.
      \nThen add to check your answer.<\/p>\n

      Question 3.
      \nThere are 13 grapes in a bowl. Justin ate some of them. Now there are only 7 grapes left. How many grapes did Justin eat?
      \n_13_ – _7_ = _6_
      \n_13_ – _6_ = _7_
      \n_6_ grapes<\/p>\n

      Answer:
      \nThe number of grapes Justin eats = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 13 grapes in a bowl.
      \nJustin ate some of them.
      \nNow there are only 7 grapes left.
      \n13 – 7 = 6.
      \nThe number of grapes Justin eats = 6.<\/p>\n

      Question 4.
      \nWRITE Math<\/strong>
      \nFind 12 \u2013 9. Then write or draw how you can add to check your answer.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 12 and 9 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 9.
      \n12 – 9 = 3.
      \nthe difference of 12\u00a0 and 9 = 3.<\/p>\n

      Answer:
      \nThe sum of 9 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 3.
      \n9 + 3 = 11.
      \nthe sum of 9 and 3 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nSubtract. Then add to check your answer.
      \n11 – 3 = \u2610
      \n_8_ + _3_ = _11__<\/p>\n

      Answer:
      \nThe difference of 11 and 3 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 3.
      \n11 – 3 = 8.
      \nthe difference of 11 and 3 = 8.<\/p>\n

      Answer:
      \nThe sum of 8 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 + 3 = 11.
      \nthe sum of 8 and 3 = 11.<\/p>\n

      Question 2.
      \nSubtract. Then add to check your answer.
      \n12 – 8 = \u2610
      \n_8_ + _4_ = __12_<\/p>\n

      Answer:
      \nThe difference of 12 and 8 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 8.
      \n12 – 8 = 4.
      \nthe difference of 12 and 8 = 4.<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 4.
      \n8 + 4 = 12.
      \nthe sum of 8 and 4 = 12.<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 3.
      \nJonas picks 10 peaches. 4 peaches are small. The rest are big. How many are big?
      \n\"Go
      \n_6_ big peaches<\/p>\n

      Answer:
      \nThe number of big peaches = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nJonas picks 10 peaches.
      \n4 peaches are small.
      \nThe number of big peaches = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nCircle two addends to add first. Write the sum.
      \n\"Go
      \n__________
      \n__________<\/p>\n

      Answer:
      \nThe sum of 6 and 4 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 4.
      \n3 + 3 + 4 = 10.
      \nthe sum of 6 and 4 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Addition and Subtraction Relationships Mid-Chapter Checkpoint<\/h3>\n

      Use \"Go. Add or subtract.
      \nComplete the related facts.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 8 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 8.
      \n6 + 8 = 14.
      \nthe sum of 6 and 8 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 8 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 8.
      \n14 – 8 = 6.
      \nthe difference of 14 and 8 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and\u00a0 6 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 6.
      \n7 + 6 = 11.
      \nthe sum of 7 and 6 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 6.
      \n11 – 6 = 7.
      \nthe difference of 11 and 6 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Add and subtract. Circle the related facts.<\/p>\n

      Question 3.
      \n9 + 3 = _12_
      \n9 – 3 = _6_<\/p>\n

      Answer:
      \nThe sum of 9 and 3 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 3.
      \n9 + 3 = 12.
      \nthe sum of 9 and 3 = 12.<\/p>\n

      Answer:
      \nThe difference of 9 and 3 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 3.
      \n9 – 3 = 6.
      \nthe difference of 9 and 3 = 6.<\/p>\n

      Question 4.
      \n7 + 8 = _15_
      \n15 – 8 = _7_<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 7 and 8 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 8 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 8.
      \n15 – 8 = 7.
      \nthe difference of 15 and 8 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n_11_ = 6 + 5
      \n_1_ = 6 – 5<\/p>\n

      Answer:
      \nThe sum of 6 and 5 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 + 5 = 11.
      \nthe sum of 6 and 5 = 11.<\/p>\n

      Answer:
      \nThe difference of 6 and 5 = 1.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 – 5 = 1.
      \nthe difference of 6 and 5 = 1.<\/p>\n

      Question 6.
      \nTHINK SMARTER<\/strong>
      \nComplete the subtraction. Then write an addition sentence to check the subtraction.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 11 and 2 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 2.
      \n11 – 2 = 9.
      \nthe difference of 11 and 2 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.5 Algebra \u2022 Unknown Numbers<\/h3>\n

      Essential Question<\/strong>
      \nHow can you use a related fact to find an unknown number?<\/p>\n

      Listen to the problem. Use \"Go to show the story. Draw to show your work<\/p>\n

      Answer:
      \nThe difference of 6 and 5 = 1.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 – 5 = 1.
      \nthe difference of 6 and 5 = 1.<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nDescribe How many toy cars are blue? Explain how you got your answer<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Use \"Go to find the unknown numbers. Write the numbers.<\/p>\n

      Question 1.
      \n8 + \u2610 = 15
      \n15 – 8 = \u2610<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 8 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 8.
      \n15 – 8 = 7.
      \nthe difference of 15 and 8 = 7.<\/p>\n

      Question 2.
      \n13 = 9 + \u2610
      \n\u2610 = 13 – 9<\/p>\n

      Answer:
      \nThe sum of 9 and 4 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 4.
      \n9 + 4 = 13.
      \nthe sum of 9 and 4 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 9 = 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 9.
      \n13 – 9 = 4.
      \nthe difference of 13 and 9 = 4.<\/p>\n

      Question 3.
      \n5 + \u2610 = 14
      \n14 – 5 = \u2610<\/p>\n

      Answer:
      \nThe sum of 5 and 9 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 9.
      \n5 + 9 = 14.
      \nthe sum of 5 and 9 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 5 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 5.
      \n14 – 5 = 9.
      \nthe difference of 14 and 5 = 9.<\/p>\n

      Question 4.
      \n14 = 6 + \u2610
      \n\u2610 = 14 – 6<\/p>\n

      Answer:
      \nThe sum of 6 and 9 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 9.
      \n6 + 9 = 14.
      \nthe sum of 6 and 9 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 6 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 6.
      \n14 – 6 = 9.
      \nthe difference of 14 and 6 = 9.<\/p>\n

      Question 5.
      \n9 + \u2610 = 16
      \n16 – 9 = \u2610<\/p>\n

      Answer:
      \nThe sum of 9 and 7 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 7.
      \n9 + 7 = 16.
      \nthe sum of 9 and 7 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.<\/p>\n

      Question 6.
      \n17 = 8 + \u2610
      \n\u2610 = 17 – 8<\/p>\n

      Answer:
      \nThe sum of 8 and 9 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 9.
      \n8 + 9 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong><\/p>\n

      Identify Relationships Write the unknown numbers. Use \"Go if you need to.<\/p>\n

      Question 7.
      \n7 + \u2610 = 15
      \n15 – 7 = \u2610<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.<\/p>\n

      Question 8.
      \n5 + \u2610 = 11
      \n11 – 5 = \u2610<\/p>\n

      Answer:
      \nThe sum of 5 and 6 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 6.
      \n5 + 6 = 11.
      \nthe sum of 5 and 6 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 5 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 5.
      \n11 – 5 = 6.
      \nthe difference of 11 and 5 = 6.<\/p>\n

      Question 9.
      \n\u2610 + 10 = 20
      \n20 – 10 = \u2610<\/p>\n

      Answer:
      \nThe sum of 10 and 10 = 20.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 10.
      \n10 + 10 = 20.
      \nthe sum of 10 and 10 = 20.<\/p>\n

      Answer:
      \nThe difference of 20 and 10 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 20 and 10.
      \n20 – 10 = 10.
      \nthe difference of 20 and 10 = 10.<\/p>\n

      Question 10.
      \n\u2610 + 9 = 16
      \n16 – 9 = \u2610<\/p>\n

      Answer:
      \nThe sum of 9 and 7 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 7.
      \n9 + 7 = 16.
      \nthe sum of 9 and 7 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.<\/p>\n

      Question 11.
      \n\u2610 = 9 + 9
      \n9 = \u2610 – 9<\/p>\n

      Answer:
      \nThe sum of 9 and 9 = 18.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 9.
      \n9 + 9 = 18.
      \nthe sum of 9 and 9 = 18.<\/p>\n

      Answer:
      \nThe difference of 18 and 9 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 18 and 9.
      \n18 – 9 = 9.
      \nthe difference of 18 and 9 = 9.<\/p>\n

      Question 12.
      \n\u2610 = 5 + 8
      \n5 = \u2610 – 8<\/p>\n

      Answer:
      \nThe sum of 5 and 8 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 8 and 5 = 13.<\/p>\n

      Answer:
      \nThe difference of 8 and 5 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 8.
      \n8 – 5 = 3.
      \nthe difference of 8 and 5 = 3.<\/p>\n

      Question 13.
      \nTHINK SMARTER<\/strong>
      \nSolve. Rick has 10 party hats. He needs 19 hats for his party. How many more party hats does Rick need?
      \n\"Go
      \n_9_ party hats<\/p>\n

      Answer:
      \nThe number of party hats Rick needs = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nRick has 10 party hats.
      \nHe needs 19 hats for his party.
      \n19 – 10 = 9.
      \nThe number of party hats Rick needs = 9.<\/p>\n

      Problem Solving \u2022 Applications WRITE Math<\/strong><\/p>\n

      Use cubes or draw a picture to solve.<\/p>\n

      Question 14.
      \nTodd has 12 bunnies. He gives 4 bunnies to his sister. How many bunnies does Todd have now?
      \n\"Go
      \n_8_ bunnies<\/p>\n

      Answer:
      \nThe number of bunnies does Todd has = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nTodd has 12 bunnies.
      \nHe gives 4 bunnies to his sister.
      \n12 – 4 = 8.
      \nThe number of bunnies does Todd has = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 15.
      \nBrad has 11 trucks. Some are small trucks. 4 are big trucks. How many small trucks does he have?
      \n\"Go
      \n_7_ small trucks<\/p>\n

      Answer:
      \nThe number of small trucks = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nBrad has 11 trucks.
      \nSome are small trucks.
      \n4 are big trucks.
      \n11 – 4 = 7.
      \nThe number of small trucks = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 16.
      \nGO DEEPER<\/strong>
      \nThere are 15 children at the park. 6 of the children go home. Then 4 more children come to the park. How many children are in
      \nthe park now?
      \n\"Go
      \n_13_ children<\/p>\n

      Answer:
      \nThe number of children is in the park = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 15 children at the park.
      \n6 of the children go home.
      \nThen 4 more children come to the park.
      \n15 – 6 + 4.
      \n9 + 4 = 13.
      \nThe number of children is in the park = 13.<\/p>\n

      Question 17.
      \nTHINK SMARTER<\/strong>
      \nUse \"Go to find the unknown numbers. Write the numbers.
      \n\"Go
      \n9 + _8_ = 17
      \n17 – 9 = _8_<\/p>\n

      Answer:
      \nThe sum of 9 and 8 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 9 and 8 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 9 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 9.
      \n17 – 9 = 8.
      \nthe difference of 17 and 9 = 8.<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Have your child explain how using subtraction can help him or her find the unknown number in 7 + \u2610 = 16.<\/p>\n

      Answer:
      \nThe sum of 7 and 9 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 9.
      \n7 + 9 = 16.
      \nthe sum of 7 and 9 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.<\/p>\n

      Algebra \u2022 Unknown Numbers Homework & Practice 5.5<\/h3>\n

      Write the missing numbers. Use \"Go if you need to.<\/p>\n

      Question 1.
      \n6 + \u2610 = 13
      \n13 – 6 = \u2610<\/p>\n

      Answer:
      \nThe sum of 6 and 7 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 7.
      \n6 + 7 = 13.
      \nthe sum of 6 and 7 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.<\/p>\n

      Question 2.
      \n9 + \u2610 = 14
      \n14 – 9 = \u2610<\/p>\n

      Answer:
      \nThe sum of 9 and 5 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 + 5 = 14.
      \nthe sum of 9 and 5 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 9 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 9.
      \n14 – 9 = 5.
      \nthe difference of 14 and 9 = 5.<\/p>\n

      Question 3.
      \n\u2610 + 7 = 15
      \n15 – 7 = \u2610<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.<\/p>\n

      Question 4.
      \n\u2610 = 8 + 8
      \n8 = \u2610 – 8<\/p>\n

      Answer:
      \nThe sum of 8 and 8 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 8.
      \n8 + 8 = 16.
      \nthe sum of 8 and 8 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 8 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 8.
      \n16 – 8 = 8.
      \nthe difference of 8 and 8 = 16.<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Use cubes or draw a picture to solve.<\/p>\n

      Question 5.
      \nSally has 9 toy trucks. She gets 3 more toy trucks. How many toy trucks does she have now?
      \n_12_ toy trucks<\/p>\n

      Answer:
      \nThe number of trucks she has now = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nSally has 9 toy trucks.
      \nShe gets 3 more toy trucks.
      \n9 + 3 = 12.
      \nThe number of trucks she has now = 12.<\/p>\n

      Question 6.
      \nWRITE Math<\/strong>
      \nUse words, pictures, or numbers to show how to find the unknown numbers for 8 + _9_ = 17 and 17 – 8 = _9_.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and 8 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 9.
      \n8 + 9 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nWrite the unknown number.
      \n9 + \u2610 = 16<\/p>\n

      Answer:
      \nThe sum of 9 and 7 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 9.
      \n7 + 9 = 16.
      \nthe sum of 7 and 9 = 16.<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nWhat is 14 \u2212 6?
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 14 and 6 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 6.
      \n14 – 6 = 8.
      \nthe difference of 14 and 6 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nDraw circles to show the number. Write the sum. 0 + 8<\/p>\n

      0 + 8 = _8_<\/p>\n

      Answer:
      \nThe sum of 0 and 8 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 0 and 8.
      \n0 + 8 = 8.
      \nthe sum of 0 and 8 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.6 Algebra \u2022 Use Related Facts<\/h3>\n

      Essential Question<\/strong>
      \nHow can you use a related fact to find an unknown number?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      What number can you add to 8 to get 10? Draw a picture to solve. Write the unknown number.<\/p>\n

      8 + \u2610 = 10<\/p>\n

      Answer:
      \nThe number is 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n10 – 8 = 2.
      \nThe number is 2.<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nModel Describe how to solve this problem using cubes.<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Write the unknown numbers.<\/p>\n

      Question 1.
      \nFind 14 – 8.
      \n\"Go
      \n8 + _6_ = 14
      \n14 – 8 = _6_<\/p>\n

      Answer:
      \nThe sum of 6 and 8 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 9.
      \n8 + 6 = 14.
      \nthe sum of 8 and 6 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 8 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 6.
      \n14 – 8 = 6.
      \nthe difference of 14 and 8 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nFind 17 \u2212 8
      \n\"Go
      \n8 + _9_ = 17
      \n17 \u2212 8 = _9_<\/p>\n

      Answer:
      \nThe sum of 9 and 8 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 9.
      \n8 + 9 = 17.
      \nthe sum of 8 and 9 = 17.<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nFind 11 \u2212 6.
      \n\"Go
      \n6 + _5_ = 11
      \n11 – 6 = _5_<\/p>\n

      Answer:
      \nThe sum of 6 and 5 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 + 5 = 11.
      \nthe sum of 6 and 5 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 6 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 6.
      \n11 – 6 = 5.
      \nthe difference of 11 and 6 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nFind 15 \u2212 9
      \n\"Go
      \n9 + _6_ = 15
      \n15 \u2212 9 = _6_<\/p>\n

      Answer:
      \nThe sum of 9 and 6 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 9.
      \n6 + 9 = 15.
      \nthe sum of 6 and 9 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 9 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 9.
      \n15 – 9 = 6.
      \nthe difference of 15 and 9 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      Write the unknown numbers.<\/p>\n

      Question 5.
      \nFind 20 \u2212 10.
      \n\"Go
      \n10 + _10_ = 20
      \n20 – 10 = _10_<\/p>\n

      Answer:
      \nThe sum of 10 and 10 = 20.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 10.
      \n10 + 10 = 20.
      \nthe sum of 10 and 10 = 20.<\/p>\n

      Answer:
      \nThe difference of 20 and 10 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 20 and 10.
      \n20 – 10 = 10.
      \nthe difference of 20 and 10 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \nFind 13 \u2212 4.
      \n\"Go
      \n4 + _9_ = 13
      \n13 – 4 = _9_<\/p>\n

      Answer:
      \nThe sum of 4 and 9 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 9.
      \n4 + 9 = 13.
      \nthe sum of 4 and 9 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 4 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 4.
      \n13 – 4 = 9.
      \nthe difference of 13 and 4 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nFind 12 \u2212 7.
      \n\"Go
      \n7 + _5_ = 12
      \n12 – 7 = _5_<\/p>\n

      Answer:
      \nThe sum of 7 and 5 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 5.
      \n7 + 5 = 12.
      \nthe sum of 7 and 5 = 12.<\/p>\n

      Answer:
      \nThe difference of 12 and 7 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 7.
      \n12 – 7 = 5.
      \nthe difference of 12 and 7 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \nFind 15 \u2212 8.
      \n\"Go
      \n8 + _7_ = 15
      \n15 – 8 = _7_<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 8 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 8.
      \n15 – 8 = 7.
      \nthe difference of 15 and 8 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      GO DEEPER<\/strong>
      \nWrite an addition sentence to help you find the difference. Then write the related subtraction sentence to solve.<\/p>\n

      Question 9.
      \nFind 11 \u2212 5.
      \n_5_ + _6_ = _11_
      \n_6_ + _5_ = _11_<\/p>\n

      Answer:
      \nThe sum of 6 and 5 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 + 5 = 11.
      \nthe sum of 6 and 5 = 11.<\/p>\n

      Answer:
      \nThe sum of 5 and 6 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 6.
      \n5 + 6 = 11.
      \nthe sum of 5 and 6 = 11.<\/p>\n

      Answer:
      \nThe difference of 11 and 5 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 5.
      \n11 – 5 = 6.
      \nthe difference of 11 and 5 = 6.<\/p>\n

      Question 10.
      \nFind 13 \u2212 6.
      \n_6_ + _7_ = _13_
      \n_7_ + _6_ = _13_<\/p>\n

      Answer:
      \nThe sum of 6 and 7 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 7.
      \n6 + 7 = 13.
      \nthe sum of 6 and 7 = 13.<\/p>\n

      Answer:
      \nThe sum of 7 and 6 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 6.
      \n7 + 6 = 13.
      \nthe sum of 7 and 6 = 13.<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      Reason Abstractly<\/strong> Look at the shapes in the addition sentence. Draw shapes to show a related subtraction fact.<\/p>\n

      Question 11.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 8 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 9.
      \n8 + 6 = 14.
      \nthe sum of 8 and 6 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 8 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 6.
      \n14 – 8 = 6.
      \nthe difference of 14 and 8 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 12.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 8 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 8 and 5 = 13.<\/p>\n

      Answer:
      \nThe difference of 8 and 5 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 8.
      \n8 – 5 = 3.
      \nthe difference of 8 and 5 = 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 13.
      \nTHINK SMARTER<\/strong>
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 14.
      \nTHINK SMARTER<\/strong>
      \nWhich is the unknown number in these related facts?
      \n\"Go<\/p>\n

      Answer:
      \nThe unknown number is 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \nGiven that,
      \nThe numbers are 5, 7, 8, and 9.
      \nThe unknown number is 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Give your child 5 small objects, such as paper clips. Then ask your child how many more objects he or she would need to have 12.<\/p>\n

      Algebra \u2022 Use Related Facts Homework & practice 5.6<\/h3>\n

      Write the missing numbers.<\/p>\n

      Question 1.
      \nFind 16 \u2212 9.
      \n\"Go<\/p>\n

      Answer:
      \nThe unknown number is 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \nGiven that,
      \nThe sum of 9 and 7 = 16.
      \nthe difference of 16 and 9 = 7.
      \nThe unknown number is 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nFind 12 \u2212 7
      \n\"Go<\/p>\n

      Answer:
      \nThe unknown number is 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \nGiven that,
      \nThe sum of 5 and 7 = 12.
      \nthe difference of 12 and 7 = 5.
      \nThe unknown number is 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nFind 15 \u2212 6.
      \n\"Go<\/p>\n

      Answer:
      \nThe unknown number is 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \nGiven that,
      \nThe sum of 9 and 6 = 15.
      \nthe difference of 15 and 6 = 9.
      \nThe unknown number is 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nFind 18 \u2212 9.
      \n\"Go<\/p>\n

      Answer:
      \nThe unknown number is 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \nGiven that,
      \nThe sum of 9 and 9 = 18.
      \nthe difference of 18 and 9 = 9.
      \nThe unknown number is 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Look at the shapes in the addition sentence. Draw a shape to show a related subtraction fact.<\/p>\n

      Question 5.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \nWRITE Math<\/strong>
      \nDraw pictures to show how to solve 14 \u2013 7 = _7__ and 7 + _7__ = 14.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 7 and\u00a0 7 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 7.
      \n7 + 7 = 14.
      \nthe sum of 7 and 7 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 7 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 7.
      \n14 – 7 = 7.
      \nthe difference of 14 and 7 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nWrite an addition fact that helps you solve 12 \u2013 4
      \n_8_ + _4_ = _12_<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nCircle the greater addend. Count on to find the sum.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and\u00a0 3 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 3.
      \n9 + 3 = 12.
      \nthe sum of 9 and 3 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nDraw \"Go to show the doubles fact. Write the sum.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and\u00a0 8 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 8.
      \n8 + 8 = 16.
      \nthe sum of 8 and 8 = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.7 Choose an Operation<\/h3>\n

      Essential Question<\/strong>
      \nHow do you choose when to add and when to subtract to solve a problem?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Listen to the problem. Use \"Go to solve. Draw a picture to show your work.<\/p>\n

      _3_ white balloons<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nHow did you solve this problem? Explain.<\/p>\n

      Model and Draw<\/strong><\/p>\n

      Mary sees 8 squirrels. Jack sees 9 more squirrels than Mary. How many squirrels does Jack see? Do you add or subtract to solve?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of squirrels does jack see = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nMary sees 8 squirrels.
      \njack sees 9 more squirrels than mary.
      \n8 + 9 = 13.
      \nThe number of squirrles does jack see = 17.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Circle add or subtract. Write a number sentence to solve.<\/p>\n

      Question 1.
      \nHanna has 5 markers. Owen has 9 more markers than Hanna. How many markers does Owen have?
      \nadd subtract
      \n\"Go<\/p>\n

      Answer:
      \nThe number of markers does Owen has = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nHanna has 5 markers.
      \nOwen has 9 more markers than Hanna.
      \n5 + 9 = 14.
      \nThe number of markers does Owen has = 14.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nAngel has 13 apples. He gives some away. Then there were 5 apples. How many apples does he give away?
      \nadd subtract
      \n\"Go<\/p>\n

      Answer:
      \nThe number of apples he gives = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nAngel has 13 apples.
      \nHe gives some away.
      \nThen there were 5 apples.
      \n13 – 5 = 8.
      \nThe number of apples he gives = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nDeon has 18 blocks. He builds a house with 9 of the blocks. How many blocks does Deon have now?
      \nadd subtract
      \n\"Go<\/p>\n

      Answer:
      \nThe number of blocks does Deon has now = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nDeon has 18 blocks.
      \nHe builds a house with 9 of the blocks.
      \n18 – 9 = 9.
      \nThe number of blocks Does has now = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      Circle add or subtract. Write a number sentence to solve.<\/p>\n

      Question 4.
      \nRob sees 5 raccoons. Talia sees 4 more raccoons than Rob. How many raccoons do they see?
      \nadd subtract
      \n\"Go
      \n______9______
      \n__9__ raccoons<\/p>\n

      Answer:
      \nThe number of raccoons they see = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nRob sees 5 raccoons.
      \nTalia sees 4 more raccoons than Rob.
      \n5 + 4 = 9.
      \nThe number of raccoons they see = 9.<\/p>\n

      Question 5.
      \nEli has a box with 12 eggs. His other box has no eggs. How many eggs are in both boxes?
      \nadd subtract
      \n\"Go
      \n___12_________
      \n_12___ eggs<\/p>\n

      Answer:
      \nThe number of eggs in both the boxes = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nEli has a box with 12 eggs.
      \nHis other box has no eggs.
      \n12 + 0 = 12.
      \nThe number of eggs in both the boxes = 12.<\/p>\n

      Question 6.
      \nLeah has a bowl with 16 fish. Some fish have long tails. 7 fish have short tails. How many fish have long tails?
      \nadd subtract
      \n\"Go
      \n__9__________
      \n__9__ fish<\/p>\n

      Answer:
      \nThe number of fish have long tails\u00a0 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nLeah has a bowl with 16 fish.
      \nsome fish have long tails.
      \n16 – 7 = 9.
      \nThe number of fish have long tails = 9.<\/p>\n

      Question 7.
      \nGO DEEPER<\/strong> Sasha has 8 red apples. She has 3 fewer green apples than red apples. How many apples does she have?
      \nadd subtract
      \n\"Go
      \n___13___
      \n_13_ apples<\/p>\n

      Answer:
      \nThe number of apples have = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nSasha has 8 red apples.
      \nshe has 3 fewer green apples than red apples.
      \n8 + 5 = 13.
      \nThe number of apples have = 13.<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong><\/p>\n

      Apply<\/strong> Choose a way to solve. Write or draw to explain.<\/p>\n

      Question 8.
      \nJames has 4 big markers and 7 skinny markers. How many markers does he have?
      \n\"Go
      \n_11_ markers<\/p>\n

      Answer:
      \nThe number of markers James has =\u00a0 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nJames has 4 big markers and 7 skinny markers.
      \n7 + 4 = 11.
      \nThe number of markers james has = 11.<\/p>\n

      Question 9.
      \nSam has 9 baseball cards. She wants to have 17 cards. How many more cards does she need?
      \n\"Go
      \n_8_ more cards<\/p>\n

      Answer:
      \nThe number of cards she needs more = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nSam has 9 baseball cards.
      \nshe wants to have 17 cards.
      \nThe number of cards does she need = 8.<\/p>\n

      Question 10.
      \nTHINK SMARTER<\/strong>
      \nAnnie gets 15 pennies on Monday. She gets 1 more penny each day. How many pennies does she have on Friday?
      \n\"Go
      \n_19_ pennies<\/p>\n

      Answer:
      \nThe number of pennies does she have on Friday = 19.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nAnnie gets 15 pennies on Monday.
      \nShe gets 1 more penny each day.
      \n15 + 4 = 19.
      \nThe number of pennies does she have on Friday = 19.<\/p>\n

      Question 11.
      \nTHINK SMARTER<\/strong>
      \nBeth has 5 grapes. A friend gives her 8 grapes. How many grapes does Beth have now? Draw a picture to show your work.
      \nBeth has _13_ grapes.<\/p>\n

      Answer:
      \nThe number of grapes does Beth has now =13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nBeth has 5 grapes.
      \nA friend gives her 8 grapes.
      \n5 + 8 = 13.
      \nThe number of grapes does Beth has now =13.<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Ask your child to write a number sentence that could be used to solve Exercise 9.<\/p>\n

      Choose an Operation Homework & Practice 5.7<\/h3>\n

      Circle add or subtract. Write a number sentence to solve.<\/strong><\/p>\n

      Question 1.
      \nAdam has a bag of 11 pretzels. He eats 2 of the pretzels. How many pretzels are left?
      \n\"Go
      \n____13______
      \n_13_ pretzels<\/p>\n

      Answer:
      \nThe number of pretzels left = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nAdam has a bag of 11 pretzels.
      \nHe eats 2 of the pretzels.
      \n11 + 2 = 13.
      \nThe number of pretzels left = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Choose a way to solve. Write or draw to explain.<\/p>\n

      Question 2.
      \nGreg has 11 shirts. 3 have long sleeves. The rest have short sleeves. How many short-sleeve shirts does Greg have?
      \n_8_ short-sleeve shirts<\/p>\n

      Answer:
      \nThe number of short-sleeve does Greg has = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nGreg has 11 shirts. 3 have long sleeves.
      \nThe rest have short sleeves.
      \n11 – 3 = 8.
      \nThe number of short-sleeves does Greg has = 8.<\/p>\n

      Question 3.
      \nWRITE Math<\/strong>
      \nUse words, numbers, or pictures to explain how a classmate solved a problem.
      \n\"Go<\/p>\n

      Answer:
      \nThe number of short-sleeve does Greg has = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nGreg has 11 shirts. 3 have long sleeves.
      \nThe rest have short sleeves.
      \n11 – 3 = 8.
      \nThe number of short-sleeves does Greg has = 8.<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nCircle add or subtract. Write a number sentence to solve. There are 18 children on the bus. Then 9 children get off. How many children are left on the bus?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of children left on the bus = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 18 children on the bus.
      \nThen 9 children get off.
      \n18 – 9 = 9.
      \nThe number of children left on the bus = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nChoose a way to solve. Draw or write to explain. Mike has 13 plants. He gives some away. He has 4 left. How many plants does he give away?
      \n_9_ plants<\/p>\n

      Answer:
      \nThe number of plants does he give = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nMike has 13 plants.
      \nHe gives some away. He has 4 left.
      \n13 – 4 = 9.
      \nThe number of plants does he give = 9.
      \nQuestion 3.
      \nWrite the numbers 3, 2, and 8 in an addition sentence. Show two more ways to find the sum.
      \n_3_ + _2_ + _8 = _13_
      \n_5_ + _8_ = _13_
      \n_8_ + _5_ = _13_<\/p>\n

      Answer:
      \nThe sum of 5 and 8 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 8.
      \n5 + 8 = 13.
      \nthe sum of 5 and 8 = 13.<\/p>\n

      Answer:
      \nThe sum of 8 and 5 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 8 and 5 = 13.<\/p>\n

      Lesson 5.8 Algebra \u2022 Ways to Make Numbers to 20<\/h3>\n

      Essential Question<\/strong>
      \nHow can you add and subtract in different ways to make the same number?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Use \"Go. Show two ways to make 10. Draw to show your work.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 5 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 5.
      \n5 + 5 = 10.
      \nthe sum of 5 and 5 = 10.<\/p>\n

      Answer:
      \nThe sum of 6 and 4 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 4.
      \n6 + 4 = 10.
      \nthe sum of 6 and 4 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nUse Tools How do your models show two ways to make 10?<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Use \"Go. Write ways to make the number at the top.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 5 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 8 and 5 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 5 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 5.
      \n5 + 5 = 10.
      \nthe sum of 5 and 5 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong>
      \nUse Appropriate Tools<\/strong>
      \nUse \"Go. Write ways to make the number at the top.<\/p>\n

      Question 3.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 5\u00a0 and 4= 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8, 5, and 4.
      \n8 + 5 + 4 = 13.
      \nthe sum of 8,\u00a0 4, and 5 = 17.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 4 and 7\u00a0 and 3= 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4, 7, and 3.
      \n4 + 7 + 3 = 14.
      \nthe sum of 4,\u00a0 7, and 3 = 14.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 5\u00a0 and 3= 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8, 5, and 3.
      \n8 + 5 + 3 = 16.
      \nthe sum of 8,\u00a0 5, and 3 = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 5\u00a0 and 4= 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8, 5, and 4.
      \n8 + 5 + 4 = 17.
      \nthe sum of 8,\u00a0 4, and 5 = 17.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      THINK SMARTER<\/strong>
      \nChoose a number less than 20. Write the number. Write two ways to make your number.<\/p>\n

      \"Go<\/p>\n

      Question 7.<\/p>\n

      Answer:
      \nThe sum of 10 and 10 = 20.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 10.
      \n10 + 10 = 20.
      \nthe sum of 10 and 10 = 20.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.<\/p>\n

      Answer:
      \nThe sum of 8 and 12 = 20.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 12.
      \n8 + 12 = 20.
      \nthe sum of 8 and 12 = 20.<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      GO DEEPER<\/strong>
      \nWrite numbers to make each line have the same sum.<\/p>\n

      Question 9.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that have the same sum = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n3 + 8 + 6 = 17.
      \n5 + 8 + 4 = 17.
      \n17 – 9 = 8.
      \nso the number = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 10.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that have the same sum = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n3 + 6 + 6 = 15.
      \n15 – 15 = 0.
      \n15 – 10 = 5.
      \nso the number = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 11.
      \nGO DEEPER<\/strong>
      \nChoose a number from 14 to 20 to be the sum. Write numbers to make each line have your sum.
      \nsum for each line \u2610
      \n\"Go<\/p>\n

      Answer:
      \nThe number that have the same sum = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n10 + 2 + 4 = 16
      \n10 + 4 + 2 = 16.
      \n10 + 1 + 5 = 16.
      \nso the number = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 12.
      \nTHINK SMARTER<\/strong>
      \nChoose all the ways that make 13.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 10 and 3 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 3.
      \n10 + 3 = 13.
      \nthe sum of 10 and 3 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Have your child explain three different ways to make 15. Encourage him or her to use addition and subtraction, including addition of three numbers.<\/p>\n

      Algebra \u2022 Ways to Make Numbers to 20 Homework & practice 5.8<\/h3>\n

      Use \"Go. Write ways to make the number at the top.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n2 + 7 + 1 = 10.
      \n5 + 5 = 10.
      \n10 – 0 = 10.
      \n9 + 1 = 10.
      \nthe number is 10.<\/p>\n

      Question 2.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n8 + 3 + 2 = 13.
      \n7 + 6 = 13.
      \n13 – 0 = 13.
      \n6 + 7 = 13.
      \nthe number is 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Write numbers to make 3. each line have the same sum.<\/p>\n

      Question 3.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n5 + 7 + 4 = 16.
      \n6 + 7 + 3 = 16.
      \n7 + 2 + 7 = 16.
      \nthe number is 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nWRITE Math<\/strong>
      \nUse numbers and pictures to show two ways to make the number 12.
      \n____6 + _6___=____12______
      \n____5 ___+_7__=___12_____
      \n___7__+__5___=__12______<\/p>\n

      \"Go<\/p>\n

      Answer:
      \nThe sum of 7 and 5 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 5.
      \n7 + 5 = 12.
      \nthe sum of 7 and 5 = 12.<\/p>\n

      Answer:
      \nThe sum of 8 and 4 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 4.
      \n8 + 4 = 12.
      \nthe sum of 8 and 4 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nWrite ways to make 18.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 18.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n9 + 8 + 1 = 18.
      \n9 + 9 = 18.
      \n18 – 0 = 18.
      \n10 + 8 = 18
      \nthe number is 18.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nWrite ways to make 9.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n3 + 3 + 3 = 9.
      \n6 + 3 = 9.
      \n9 – 0 = 9.
      \n8 + 1 = 9.
      \nthe number is 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 3.
      \nWrite the doubles plus one fact for 7 + 7.
      \n_7_ + _7_ = _14_<\/p>\n

      Answer:
      \nThe sum of 7 and 7 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 7.
      \n7 + 7 = 14.
      \nthe sum of 7 and 7 = 14.<\/p>\n

      Question 4.
      \nWrite the doubles minus one fact for 4 + 4.
      \n_4_ + _4_ = _8_<\/p>\n

      Answer:
      \nThe sum of 4 and 4 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 4.
      \n4 + 4 = 8.
      \nthe sum of 4 and 4 = 8.<\/p>\n

      Question 5.
      \nThink of an addition fact to help you subtract.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and 5 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 5.
      \n9 + 5 = 14.
      \nthe sum of 9 and 5 = 14.<\/p>\n

      Answer:
      \nThe difference of 14 and 9 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 9.
      \n14 – 9 = 5.
      \nthe difference of 14 and 9 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.9 Algebra \u2022 Equal and Not Equal<\/h3>\n

      Essential Question<\/strong>
      \nHow can you decide if a number sentence is true or false?<\/p>\n

      Listen and Draw<\/strong><\/p>\n

      Color the cards that make the same number.<\/p>\n

      \"Go<\/p>\n

      Answer:
      \nThe cards that make the same number = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers that are the same.
      \n6 + 1 = 7.
      \n3 + 3 +1 = 7.
      \n13 – 6 = 7.
      \n3 + 4 = 7.
      \n4 + 3 = 7.
      \n3 + 2 + 2 = 7.
      \n16 – 9 = 7.
      \nthe card that makes the same number = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong><\/p>\n

      Reasoning Why can you use two of the cards you color and an equal sign to make a number sentence?<\/p>\n

      Model and Draw<\/strong><\/p>\n

      The equal sign means that both sides are the same.
      \nWrite a number to make each true.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is 4 + 5 = 5 + 4.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n9 = 9.
      \n4 + 5 = 9.
      \n4 + 5 = 5 + 4.
      \nThe number is 4 + 5 = 5 + 4.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Which is true? Circle your answer. Which is false? Cross out your answer.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Question 2.
      \n4 + 1 = 5 + 2
      \n6 – 6 = 7 – 7<\/p>\n

      Answer:
      \nThe number that is true is 6 – 6 = 7 – 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 + 1 = 5.
      \n5 + 2 = 7.
      \nthe number that\u00a0 is true is 6 – 6 = 7 – 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n7 + 2 = 6 + 3
      \n8 – 2 = 6 + 4<\/p>\n

      Answer:
      \nThe number that is true is 7 + 2 = 6 + 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n8 – 2 = 6 + 4
      \nthe number that\u00a0 is true is 7 + 2 = 6 + 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n5 – 4 = 4 – 3
      \n10 = 1 + 0<\/p>\n

      Answer:
      \nThe number that is true is 5 – 4 = 4 – 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 = 1 + 0.
      \nthe number that\u00a0 is true is 5 – 4 = 4 -3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong><\/p>\n

      \"Go<\/p>\n

      Attend to Precision<\/strong>
      \nWhich are true? Circle your answers. Which are false? Cross out your answers.<\/p>\n

      Question 5.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that is true is 8 + 1 = 2 + 7, 19 = 19.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 1 + 9 = 9\u00a0 – 1.
      \nthe number that\u00a0 is true is 8 + 1 = 2 + 7, 19 = 19.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that is true is 9 + 7 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 – 9 = 9 + 7.
      \n9 – 7 = 7 + 9.
      \nthe number that\u00a0 is true is 9 + 7 = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nTHINK SMARTER<\/strong>
      \nLyle writes the false number sentence 2 + 10 = 8. Complete the number sentence to make the sentence true.
      \n2 + _6_ = 8<\/p>\n

      Answer:
      \nThe number that is true is 2 + 6 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 2 + 10 = 8.
      \nthe number that\u00a0 is true is 2 + 6 = 8.<\/p>\n

      Write numbers to make sentences that are true.<\/p>\n

      Question 8.
      \n2 + 10 = 7 + _5_<\/p>\n

      Answer:
      \nThe number that is true is 12 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n2 + 10 = 7 + 5.
      \nthe number that is true is 12 = 12.<\/p>\n

      Question 9.
      \n_9_ = 2 + 3 + 4<\/p>\n

      Answer:
      \nThe number that is true is 9 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n9 = 2 + 3 + 4.
      \nthe number that is true is 9 = 9..<\/p>\n

      Question 10.
      \n0 + 9 = _0_ – 9<\/p>\n

      Answer:
      \nThe number that is true is 9 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n9 = 9
      \nthe number that is true is 9 = 9.<\/p>\n

      Question 11.
      \n_6_ + 7 = 7 + 6<\/p>\n

      Answer:
      \nThe number that is true is 13 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n6 + 7 = 7 + 6.
      \nthe number that is true is 13 = 13.<\/p>\n

      Question 12.
      \nTHINK SMARTER<\/strong>
      \nWrite numbers to show expressions of equal value.
      \n_6_ + _7_ = _7_ + _6_
      \n\"Go<\/p>\n

      Answer:
      \nThe number that is true is 13 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n6 + 7 = 7 + 6.
      \nthe number that is true is 13 = 13.<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      Question 13.
      \nWhich are true? Use \"Go to color.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that is true is 20 = 20, 9 + 1 + 1 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n20 = 20, 9 + 1 + 1 = 11, 8 – 0 = 8, 10 + 1 = 1 + 10, 6 = 2 + 2 + 2.
      \nthe number that is true is 20 = 20.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 14.
      \nTHINK SMARTER<\/strong>
      \nUse the same numbers. Write a different number sentence that is true.
      \n7 + 8 = 15
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 15.
      \nTHINK SMARTER<\/strong>
      \nIs the math sentence true? Circle Yes or No.
      \n\"Go<\/p>\n

      Answer:
      \nThe number that is true is 5 – 4 = 9 – 8, 6 + 2 = 2 + 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n5 – 4 = 9 – 8, 13 = 5 + 7, 6 + 2 = 2 + 6.
      \nthe number that is true is 5 – 4 = 9 – 8, 6 + 2 = 2 + 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Write 10 = 7 \u2212 3 and 10 = 7 + 3 on a sheet of paper. Ask your child to explain which is true.<\/p>\n

      Algebra \u2022 Equal and Not Equal Homework & practice 5.9<\/h3>\n

      Which are true? Circle your answers. Which are false? Cross out your answers.<\/p>\n

      Question 1.
      \n6 + 4 = 5 + 5<\/p>\n

      Answer:
      \nThe number is true.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n6 + 4 = 5 + 5.
      \n10 = 10.
      \nThe number that is true.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n10 = 6 – 4<\/p>\n

      Answer:
      \nThe number is false.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n10 = 6 – 4.
      \n10 = 2.
      \nThe number that is false.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n8 + 8 = 16 – 8<\/p>\n

      Answer:
      \nThe number is false.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n8 + 8 = 16 – 8.
      \n16 = 8.
      \nThe number that is false.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n14 = 1 + 4<\/p>\n

      Answer:
      \nThe number is false.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n14 = 1 + 4 .
      \n14 = 5.
      \nThe number is false.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n8 – 0 = 12 – 4<\/p>\n

      Answer:
      \nThe number is true.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n8 – 0 = 12 – 4.
      \n8 = 8.
      \nThe number is true.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n17 = 9 + 8<\/p>\n

      Answer:
      \nThe number is true.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n17 = 9 + 8.
      \n17 = 17.
      \nThe number is true.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Question 7.
      \nWhich are true? Use a \"Go to color.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is true.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n15 = 15, 3 = 8 – 5, 9 + 2 = 2 + 9, 1 + 2 + 3 = 3 + 3, 13 = 8 + 5.
      \nThe number is true.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \nWRITE Math
      \nWrite 5 + \u2610 = 6 + 8. Write a number to make the sentence true. Draw a quick picture to explain.
      \n\"Go
      \n___5 + 9_ = __14____________
      \n____6 + 8 _=__14__________<\/p>\n

      Answer:
      \nThe sum of 5 + 9 = 6 + 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \n5 + 9 = 14.
      \n6 + 8 = 14.
      \n14 = 14.
      \nThe sum is 14.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nCircle the number sentences that are true. Cross out the ones that are false.
      \n\"Go<\/p>\n

      Answer:
      \nThe number is true.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n4 + 3 = 9 – 2, 4 + 3 = 6 + 1.
      \nThe number is true.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nUse 5, 6 and 11 to write related addition and subtraction sentences.
      \n\"Go<\/p>\n

      Answer:
      \nThe numbers are 5 + 6 = 11.
      \n6 + 5 = 11.
      \n11 – 6 = 5.
      \n11 – 5 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n5 + 6 = 11.
      \n6 + 5 = 11.
      \n11 – 6 = 5.
      \n11 – 5 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nSolve. Draw or write to show your work. Leah has 4 green toys, 5 pink toys, and 2 blue toys. How many toys does Leah have?
      \n_11_ toys
      \n\"Go<\/p>\n

      Answer:
      \nThe number of toys does Leah has = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nLeah has 4 green toys, 5 pink toys, and 2 blue toys.
      \n4 + 5 + 2 = 11.
      \nThe number of toys does Leah has = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Lesson 5.10 Facts Practice to 20<\/h3>\n

      Essential Question<\/strong>
      \nHow can addition and subtraction strategies help you find sums and differences?<\/p>\n

      Listen and Draw<\/strong>
      \nWhat is 2 + 8?
      \nUse \"Go. Draw to show a strategy you can use to solve.<\/p>\n

      2 + 8 = _10_<\/p>\n

      Answer:
      \nThe sum of 2 and 8 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 2 and 8.
      \n8 + 2 = 10.
      \nthe sum of 2 and 8 = 10.<\/p>\n

      Math Talk<\/strong>
      \nMATHEMATICAL PRACTICES<\/strong>
      \nExplain What other strategy could you use to solve the addition fact?<\/p>\n

      Share and Show MATH BOARD<\/strong><\/p>\n

      Add or subtract.<\/p>\n

      Question 1.
      \n2 + 5 = _7_<\/p>\n

      Answer:
      \nThe sum of 2 and 5 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 2 and 5.
      \n2 + 5 = 7.
      \nthe sum of 2 and 5 = 7.<\/p>\n

      Question 2.
      \n9 – 6 = _3_<\/p>\n

      Answer:
      \nThe difference of 9 and 6 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 6.
      \n9 – 6 = 3.
      \nthe difference of 9 and 6 = 3.<\/p>\n

      Question 3.
      \n_12_ = 9 + 3<\/p>\n

      Answer:
      \nThe sum of 9 and 3 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 3.
      \n9 + 3 = 12.
      \nthe sum of 9 and 3 = 12.<\/p>\n

      Question 4
      \n15 – 7 = _8_<\/p>\n

      Answer:
      \nThe difference of 15 and 7 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 7.
      \n15 – 7 = 8.
      \nthe difference of 15 and 7 = 8.<\/p>\n

      Question 5.
      \n3 – 1 = _2_<\/p>\n

      Answer:
      \nThe difference of 3 and 1 = 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 3 and 1.
      \n3 – 1 = 2.
      \nthe difference of 3 and 1 = 2.<\/p>\n

      Question 6.
      \n_8_ = 2 + 6<\/p>\n

      Answer:
      \nThe sum of 2 and 6 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 2 and 6.
      \n2 + 6 = 8.
      \nthe sum of 2 and 6 = 8.<\/p>\n

      Question 7.
      \n2 + \u2610 = 11<\/p>\n

      Answer:
      \nThe sum of 2 and 9 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 2 and 9.
      \n2 + 9 = 11.
      \nthe sum of 2 and 9 = 11.<\/p>\n

      Question 8.
      \n10 – \u2610 = 2<\/p>\n

      Answer:
      \nThe difference of 10 and 8 = 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 8.
      \n10 – 8 = 2.
      \nthe difference of 10 and 8 = 2.<\/p>\n

      Question 9.
      \n8 = 8 + \u2610<\/p>\n

      Answer:
      \nThe sum of 8 and 0 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 0.
      \n8 + 0 = 8.
      \nthe sum of 8 and 0 = 8.<\/p>\n

      Question 10.
      \n12 – 9 = _3_<\/p>\n

      Answer:
      \nThe difference of 12 and 9 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 9.
      \n12 – 9 = 3.
      \nthe difference of 12 and 9 = 3.<\/p>\n

      Question 11.
      \n12 – 4 = _8_<\/p>\n

      Answer:
      \nThe difference of 12 and 4 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 12 and 4.
      \n12 – 4 = 8.
      \nthe difference of 12 and 4 = 8.<\/p>\n

      Question 12.
      \n_13_ = 4 + 9<\/p>\n

      Answer:
      \nThe sum of 9 and 4 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 4.
      \n9 + 4 = 13.
      \nthe sum of 9 and 4 = 13.<\/p>\n

      Question 13.
      \n\u2610 + 8 = 13<\/p>\n

      Answer:
      \nThe sum of 8 and 5 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 + 5 = 13.
      \nthe sum of 8 and 5 = 13.<\/p>\n

      Question 14.
      \n\u2610 – 1 = 6<\/p>\n

      Answer:
      \nThe difference of 7 and 1 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 1.
      \n7 – 1 = 6.
      \nthe difference of 7 and 1 = 6.<\/p>\n

      Question 15.
      \n9 = \u2610 + 3<\/p>\n

      Answer:
      \nThe sum of 6 and 3 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 3.
      \n6 + 3 = 9.
      \nthe sum of 6 and 3 = 9.<\/p>\n

      Question 16.
      \n16 – 7 = _9_<\/p>\n

      Answer:
      \nThe difference of 16 and 7 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 7.
      \n16 – 7 = 9.
      \nthe difference of 16 and 7 = 9.<\/p>\n

      Question 17.
      \n11 – 8 = _3_<\/p>\n

      Answer:
      \nThe difference of 11 and 8 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 8.
      \n11 – 8 = 3.
      \nthe difference of 11 and 8 = 3.<\/p>\n

      Question 18.
      \n_15_ = 8 + 7<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      On Your Own<\/strong><\/p>\n

      MATHEMATICAL PRACTICE<\/strong>
      \nAttend to Precision<\/strong>
      \nAdd or subtract.<\/p>\n

      Question 19.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 0 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 0.
      \n6 + 0 = 6.
      \nthe sum of 6 and 0 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 20.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 21.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 4 and 7 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 7.
      \n4 + 7 = 11.
      \nthe sum of 4 and 7 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 22.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 9 and 0 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 0.
      \n9 – 0 = 9.
      \nthe difference of 9 and 0 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 23.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 17 and 9 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 9.
      \n17 – 9 = 8.
      \nthe difference of 11 and 8 = 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 24.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 4 and 6 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 6.
      \n4 + 6 = 10.
      \nthe sum of 4 and 6 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 25.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 3 and 7 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 3 and 7.
      \n3 + 7 = 10.
      \nthe sum of 3 and 7 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 26.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 8 and 5 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 – 5 = 3.
      \nthe difference of 8 and 5 = 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 27.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 3 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 + 3 = 11.
      \nthe sum of 8 and 3 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 28.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 8 and 6 = 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 6.
      \n8 – 6 = 2.
      \nthe difference of 8 and 6 = 2.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 29.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 10 and 4 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 4.
      \n10 – 4 = 6.
      \nthe difference of 10 and 4 = 6.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 30.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and 8 = 17.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 + 8 = 17.
      \nthe sum of 8 and 9 = 17.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 31.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 7 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 7.
      \n6 + 7 = 13.
      \nthe sum of 6 and 7 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 32.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 4 and 4 = 0.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 4.
      \n4 – 4 = 0.
      \nthe difference of 4 and 4 = 0.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 33.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 5 and 6 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 6.
      \n5 + 6 = 11.
      \nthe sum of 5 and 6 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 34.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 35.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 17 and 9 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 9.
      \n17 – 9 = 8.
      \nthe difference of 17 and 9 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 36.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 8 and 8 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 8.
      \n8 + 8 = 16.
      \nthe sum of 8 and 8 = 16.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 37.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 10 and 5 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 5.
      \n10 + 5 = 15.
      \nthe sum of 10 and 5 = 15.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 38.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 13 and 3 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 3.
      \n13 – 3 = 10.
      \nthe difference of 13 and 3 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 39.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 10 and 3 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 3.
      \n10 + 3 = 13.
      \nthe sum of 10 and 3 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 40.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 20 and 10 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 20 and 10.
      \n20 – 10 = 10.
      \nthe difference of 20 and 10 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 41.
      \n\"Go<\/p>\n

      Answer:
      \nThe difference of 10 and 9 = 1.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 10 and 9.
      \n10 – 9 = 1.
      \nthe difference of 10 and 9 = 1.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 42.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and 10 = 19.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 10.
      \n9 + 10 = 19.
      \nthe sum of 9 and 10 = 19.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 43.
      \nUse the clues to write the addition fact. The sum is 14. One addend is 2 more than the other.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 6 and 8 = 14.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 8.
      \n6 + 8 = 14.
      \nthe sum of 6 and 8 = 14.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Problem Solving \u2022 Applications<\/strong><\/p>\n

      Solve. Write or draw to explain.<\/p>\n

      Question 44.
      \nThere are 14 rabbits. Then 7 rabbits hop away. How many rabbits are there now?
      \n\"Go _7_ rabbits<\/p>\n

      Answer:
      \nThe number of rabbits now = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 14 rabbits.
      \nThen 7 rabbits hop away.
      \n14 – 7 = 7.
      \nThe number of rabbits now = 7.<\/p>\n

      Question 45.
      \nThere are 11 dogs at the park. 2 dogs are gray. The rest are brown. How many dogs are brown?
      \n\"Go __9 brown dogs<\/p>\n

      Answer:
      \nThe number of brown dogs = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 11 dogs at the park.
      \n2 dogs are gray.
      \n11 – 2 = 9.
      \nThe number of brown dogs = 9.<\/p>\n

      Question 46.
      \nGO DEEPER<\/strong>
      \nFill in the blanks. Write the addition fact. Solve. There are __ ladybugs on a leaf. Then __ more ladybugs come. How many ladybugs are there now?
      \n\"Go<\/p>\n

      Answer:
      \nThe number of ladybugs now = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 6 ladybugs on a leaf.
      \nThen 2 more ladybugs come.
      \n6 + 2 = 8.
      \nThe number of ladybugs now = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 47.
      \nTHINK SMARTER<\/strong>
      \nMarco has 13 marbles. Lucy has 8 marbles. How many more marbles does Marco have than Lucy? Write or draw to show your work.
      \n_5_ more marbles<\/p>\n

      Answer:
      \nThe number of marbles Marco has = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nMarco has 13 marbles.
      \nLucy has 8 marbles.
      \n13 – 8 = 5.
      \nThe number of marbles Marco has = 5.<\/p>\n

      TAKE HOME ACTIVITY<\/strong>
      \n\u2022 Have your child draw a picture to solve 7 + 4. Then have him or her tell a related subtraction fact.<\/p>\n

      Facts Practice to 20 Homework & Practice 5.10<\/h3>\n

      Add or subtract.<\/p>\n

      Question 1.
      \n\"Go<\/p>\n

      Answer:
      \nThe sum of 9 and 4 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 4.
      \n9 + 4 = 13.
      \nthe sum of 9 and 4 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 13 and 6 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 6.
      \n13 – 6 = 7.
      \nthe difference of 13 and 6 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 4 and 5 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 4 and 5.
      \n4 + 5 = 9.
      \nthe sum of 4 and 5 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 7 and 8 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 8.
      \n7 + 8 = 15.
      \nthe sum of 7 and 8 = 15.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 11 and 6 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 11 and 6.
      \n11 – 6 = 5.
      \nthe difference of 11 and 6 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 6.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 17 and 8 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 17 and 8.
      \n17 – 8 = 9.
      \nthe difference of 17 and 8 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 5 and 7 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 7.
      \n5 + 7 = 12.
      \nthe sum of 5 and 7 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 8.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 13 and 5 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 13 and 5.
      \n13 – 5 = 8.
      \nthe difference of 13 and 5 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 9.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 16 and 9 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 9.
      \n16 – 9 = 7.
      \nthe difference of 16 and 9 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 10.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 3 and 8 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 3 and 8.
      \n3 + 8 = 11.
      \nthe sum of 3 and 8 = 11.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 11.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 9 and 8 = 1.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 8.
      \n9 – 8 = 1.
      \nthe difference of 9 and 8 = 1.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 12.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 7 and 6 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 7.
      \n6 + 7 = 13.
      \nthe sum of 6 and 7 = 13.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 13.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 9 and 2 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 and 2.
      \n9 – 2 = 7.
      \nthe difference of 9 and 2 = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 14.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 6 and 4 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 4.
      \n6 + 4 = 10.
      \nthe sum of 6 and 4 = 10.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 15.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 8 and 5 = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 5.
      \n8 – 5 = 3.
      \nthe difference of 8 and 5 = 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 16.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 6 and 6 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 6.
      \n6 + 6 = 12.
      \nthe sum of 6 and 6 = 12.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 17.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 0 and 9 = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 0 and 9.
      \n0 + 9 = 9.
      \nthe sum of 0 and 9 = 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 18.
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 15 and 9 = 6.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 9.
      \n15 – 9 = 6.
      \nthe difference of 15 and 9 = 6.<\/p>\n

      Problem Solving<\/strong><\/p>\n

      Solve. Draw or write to explain.<\/p>\n

      Question 19.
      \nKara has 9 drawings. She gives 4 away. How many drawings does Kara have now?
      \n_5_ drawings<\/p>\n

      Answer:
      \nThe number of drawings kara has = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nKara has 9 drawings.
      \nshe gives 4 away.
      \n9 – 4 = 5.
      \nThe number of drawings kara has = 5.<\/p>\n

      Question 20.
      \nWRITE Math<\/strong>
      \nChoose two numbers from 5 to 9. Use your numbers to write an addition sentence. Draw a picture to show your work.
      \n__________________
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 6 and 6 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 6.
      \n6 + 6 = 12.
      \nthe sum of 6 and 6 = 12.<\/p>\n

      Lesson Check<\/strong><\/p>\n

      Question 1.
      \nAdd or subtract.
      \n\"1st<\/p>\n

      Answer:
      \nThe sum of 8 and 7 = 15.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 7.
      \n8 + 7 = 15.
      \nthe sum of 8 and 7 = 15.<\/p>\n

      Answer:
      \nThe sum of 5 and 8 = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 5 and 8.
      \n5 + 8 = 13.
      \nthe sum of 5 and 8 = 13.<\/p>\n

      Answer:
      \nThe difference of 14 and 7 = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 and 7.
      \n14 – 7 = 7.
      \nthe difference of 14 and 7 = 7.<\/p>\n

      Answer:
      \nThe difference of 15 and 6 = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 15 and 6.
      \n15 – 6 = 8.
      \nthe difference of 15 and 6 = 8.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Spiral Review<\/strong><\/p>\n

      Question 2.
      \nWhat is the missing number? Write the missing addend.
      \n7 + \u2610 = 12<\/p>\n

      Answer:
      \nThe sum of 7 and 5 = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 7 and 5.
      \n7 + 5 = 12.
      \nthe sum of 5 and 7 = 12.<\/p>\n

      Question 3.
      \nGreg knows 7 + 4 = 11. What other addition fact does he know that shows the same addends? Write the new fact.
      \n_6_ + _5_ = _11_<\/p>\n

      Answer:
      \nThe sum of 6 and 5 = 11.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 5.
      \n6 + 5 = 11.
      \nthe sum of 6 and 5 = 11.<\/p>\n

      Addition and Subtraction Relationships Chapter 5 Review\/Test<\/h3>\n

      Question 1.
      \nThere are 2 dogs in the park. Some more dogs come. Now there are 9 in all. How many dogs come?
      \n\"1st
      \n2 dogs __ come 9 dogs in all<\/p>\n

      Answer:
      \nThe number of dogs comes = 7.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThere are 2 dogs in the park.
      \nsome more dogs come.
      \nNow there are 9 in all.
      \n2 + 7 = 9.
      \nThe number of dogs comes = 7.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 2.
      \nWhich fact is a related fact?
      \n\"1st<\/p>\n

      Answer:
      \nThe difference of 8 and 3 = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 8 and 3.
      \n8 – 3 = 5.
      \nthe difference of 8 and 3 = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 3.
      \nLook at the facts. Are they related facts? Choose Yes or No.
      \n\"1st<\/p>\n

      Answer:
      \nYes, the number is a related fact.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 14 – 6 = 8.
      \n8 + 6 = 14.
      \nthe number is a related fact.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 4.
      \nTom sees 12 bees. Then 7 bees fly away. How many bees does he see now? Write a number sentence to solve. Then write an addition sentence to check.
      \n\"1st<\/p>\n

      Answer:
      \nThe number of bees now = 5.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nTom sees 12 bees.
      \nThen 7 bees fly away.
      \n12 – 7 = 5.
      \nThe number of bees now = 5.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 5.
      \nTHINK SMARTER<\/strong>
      \nUse \"1st to find the unknown numbers. Write the numbers.
      \n\"1st
      \n6 + _10_ = 16
      \n16 – 6 = _10_<\/p>\n

      Answer:
      \nThe sum of 6 and 10 = 16.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 6 and 10.
      \n6 + 10 = 16.
      \nthe sum of 6 and 10 = 16.<\/p>\n

      Answer:
      \nThe difference of 16 and 6 = 10.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 16 and 6.
      \n16 – 6 = 10.
      \nthe difference of 16 and 6 = 10.<\/p>\n

      Question 6.
      \nWhich is the unknown number in these related facts?
      \n\"1st<\/p>\n

      Answer:
      \nThe unknown number = 9.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are 9 + 4 = 13.
      \n13 – 4 = 9.
      \n4 + 9 = 13.
      \n13 – 9 = 4.
      \nso the unknown number is 9.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 7.
      \nJoe has 7 blue marbles. A friend gives him 6 red marbles. How many marbles does Joe have now? Draw a picture to show your work. \"1st
      \nJoe has _13_ marbles.<\/p>\n

      Answer:
      \nThe number of marbles Joe has = 13.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nJoe has 7 blue marbles.
      \nA friend gives him 6 red marbles.
      \n7 + 6 = 13.
      \nThe number of marbles Joe has = 13.<\/p>\n

      Question 8.
      \nChoose all the ways that make 12.
      \n\"1st<\/p>\n

      Answer:
      \nThe numbers are = 4 + 8 and 5 + 5 + 2.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nthe numbers are
      \n4 + 8 = 12.
      \n5 + 5 + 5 = 12.
      \nThe numbers are = 4 + 8 and 5 + 5 + 2.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 9.
      \nIs the math sentence true? Choose Yes or No.
      \n\"1st<\/p>\n

      Answer:
      \nThe numbers are true = 9 = 6 + 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nThe sentences are 7 + 2 = 9 -2.
      \n9 = 6 + 3.
      \n5 + 4 = 4 + 5.
      \nThe numbers are true = 9 = 6 + 3.
      \n\"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n

      Question 10.
      \nAnn has 14 white socks. Bill has 6 white socks. How many more white socks does Ann have than Bill? Write or draw to show your work.
      \n\"1st
      \n_8_ more white socks<\/p>\n

      Answer:
      \nThe number of socks does Ann has than Bill = 8.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nAnn has 14 white socks.
      \nBill has 6 white socks.
      \nThe number of socks does Ann has than Bill = 8.<\/p>\n

      Question 11.
      \nGO DEEPER<\/strong> Alma has 5 crayons. Her dad gives her 7 more crayons. How many crayons does she have now? Use a related fact to
      \ncheck your answer.
      \nAlma has _12_ crayons.
      \nWrite a related fact to check.
      \n_12_ \u2212 _7_ = 5<\/p>\n

      Answer:
      \nThe number of crayons Alma has = 12.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nAlma has 5 crayons.
      \nHer dad gives her 7 more crayons.
      \n5 + 7 = 12.
      \nThe number of crayons Alma has = 12.<\/p>\n

      Question 12.
      \nJulia buys 12 books. She gives 9 books away. How many books does she have left?
      \n\"1st
      \n_3_ books left<\/p>\n

      Answer:
      \nThe number of books Julia has left = 3.<\/p>\n

      Explanation:
      \nIn the above-given question,
      \ngiven that,
      \nJulia buys 12 books.
      \nshe gives 9 books away.
      \n12 – 9 = 3.
      \nThe number of books Julia has left = 3.<\/p>\n

      \"Go-Math-Grade-1-Chapter-5-Answer-Key-Addition<\/p>\n","protected":false},"excerpt":{"rendered":"

      Go Math Grade 1 Chapter 5 Answer Key Addition and Subtraction Relationships Curious George Children tap the Liberty Bell 4 times. Then they tap it 9 more times. How many times do the children tap the bell? Answer: The number of times children tab the bell = 13 times. Explanation: In the above-given question, given … Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/54404"}],"collection":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/comments?post=54404"}],"version-history":[{"count":1,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/54404\/revisions"}],"predecessor-version":[{"id":138273,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/54404\/revisions\/138273"}],"wp:attachment":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/media?parent=54404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/categories?post=54404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/tags?post=54404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}