Go Math Grade 1 Chapter 11 Answer Key Three-Dimensional Geometry
Curious George
What three-dimensional shapes do you see in the sand castle?
Answer:
Cone,cylinder,cube.
Explanation:
In the above sand castle there are many three-dimensional shapes that are cone,cylinder,cube.
Three–Dimensional Geometry Show What You Know
Alike and Different
Circle the objects that are alike.
Question 1.
Answer:
Explanation:
In the above shapes there are 2 cubes.So, circle cubes.
Question 2.
Answer:
Explanation:
In the above shapes there are 2 cones.So, circle cones.
Identify Three-Dimensional Shapes
Color the 
blue. Color the 
red. Color the yellow.
Question 3.
Answer:
Explanation:
The above given shape is cube.So, color it yellow.
Question 4.
Answer:
Explanation:
The above given shape is circle.So, color it blue.
Question 5.
Answer:
Explanation:
The above given shape is cylinder.So, color it red.
Sort by Size
Mark an X on the object that does not belong.
Question 6.
Answer:
Explanation:
In the above shapes the 3rd shape is big compared to the others.So, put a cross mark across it.
Three–Dimensional Geometry Vocabulary Builder
Visualize It
Write review words to name the shapes.
Answer:
Understand Vocabulary
Look at the three-dimensional shapes. Color the sphere 
Color the cube 
Color the cylinder 
Question 1.
Answer:
Explanation:
The above given shape is cylinder.So, color it green.
Question 2.
Answer:
Explanation:
The above given shape is sphere.so, color it blue.
Question 3.
Answer:
Explanation:
The above given shape is cube.So, color it yellow
Three–Dimensional Geometry Game: Shape Match Bingo
Materials • 9 
• 9 
• 
Play with a partner. Take turns.
1. One player uses 
. The other player uses 
.
2. Spin 
. Use a counter to cover a space with that shape.
3. If you cannot cover a space, your turn is over.
4. The first player to cover all of his or her spaces wins.
Three–Dimensional Geometry Vocabulary Game
Going Places with GOMATH! words
Going on a Train Trip
For 2 players
Materials
How to Play
1. Choose a 
and put it on START.
2. Toss the 
to take a turn. Move your 
that many spaces.
3. If you land on these spaces:
Red Space Take a Clue Card. Answer the question. If you are correct, move ahead 1. Return the Clue Card to the bottom of the pile.
Blue Space Follow the directions on the space.
4. Collect 5 Clue Cards. Move around the track as many times as you need to. Then, follow the closest center path to reach FINISH.
5. The first player to reach FINISH wins.
The Write Way
Reflect
Choose one idea. Draw and write about it.
• Tell about two of these words.
• Compare a curved surface to a flat surface. Tell how are they alike and how they are different.
Answer:
Lesson 11.1 Three-Dimensional Shapes
Essential Question
How can you identify and describe three-dimensional shapes?
Listen and Draw
Draw to sort the three-dimensional shapes.
Answer:
Explanation:
In the above picture there are two different shapes.They are cubes and spheres.
Math Talk
MATHEMATICAL PRACTICES
Generalize Explain how you sorted the shapes.
Model and Draw
These are three-dimensional shapes.
Share and Show MATH BOARD
Use three-dimensional shapes. Sort the shapes into three groups. Name and draw the shapes.
Question 1.
only flat surfaces
Answer:
Explanation:
Rectangular prism and cube both have only flat surfaces.
Question 2.
only a curved surface
Answer:
Explanation:
Sphere has only a curved surface.
Question 3.
both flat and curved surfaces
Answer:
Explanation:
Cone and cylinder both have flat and curved surfaces.
On Your Own
MATHEMATICAL PRACTICE
Use Models Use three-dimensional shapes.
Write the number of flat surfaces for each shape.
Question 4.
A rectangular prism has __ flat surfaces.
Answer:
A rectangular prism has 6 flat surfaces.
Question 5.
A cube has __ flat surfaces.
Answer:
A cube has 6 flat surfaces
Question 6.
A cylinder has __ flat surfaces.
Answer:
A cylinder has 2 flat surfaces
Question 7.
A sphere has __ flat surfaces
Answer:
A sphere has 0 flat surfaces
GO DEEPER
Write to name each shape.
Question 8.
Question 9.
Answer:
Explanation:
The above given shape is cone.So, write cone.
Question 10.
Answer:
Explanation:
The above shape is cube.So, write cube.
Question 11.
Answer:
Explanation:
The above given shape is cylinder.So, write cylinder.
Question 12.
Answer:
Explanation:
The above givem shape is rectangular prism.So, write rectangular prism.
Problem Solving • Applications
Circle the objects that match the clues
Question 13.
Kelly drew objects that have both flat and curved surfaces.
Answer:
Explanation:
In the above objects the circled objects have both flat and curved surfaces.
Question 14.
Sandy drew some rectangular prisms.
Answer:
Explanation:
The circled objects in the above picture are in the shape of rectangular prisms.
Question 15.
Match each shape to the group where it belongs
Answer:
Explanation:
Cone and cylinder have both flat and curved surfaces, cube and rectangular prism have only flat surfaces an dthe sphere has only a curved surface.
TAKE HOME ACTIVITY
• Ask your child to name real objects shaped like a sphere, a rectangular prism, and a cylinder.
Three-Dimensional Shapes Homework & practice 11.1
Three-Dimensional Shapes
Use three-dimensional shapes. Write the number of flat surfaces for each shape.
Question 1.
A cylinder has __ flat surfaces.
Answer:
A cylinder has 2 flat surfaces.
Question 2.
A rectangular prism has _ flat surfaces.
Answer:
A rectangular prism has 6 flat surfaces.
Question 3.
A cone has _ flat surface.
Answer:
A cone has 1 flat surface.
Question 4.
A cube has _ flat surfaces.
Answer:
A cube has 6 flat surfaces.
Problem Solving
Question 5.
Circle the object that matches the clue. Mike finds an object that has only a curved surface.
Answer:
Explanation:
Th circled object in the above objects is sphere.A sphere has only a curved surface.
Question 6.
WRITE Math
Use pictures or words to describe a cone.
Answer:
Lesson Check
Question 1.
Circle the shape that has both flat and curved surfaces.
Answer:
Explanation:
The circled shape in the above shapes has both flat and curved surfaces.
Question 2.
Circle the shape that has only a curved surface.
Answer:
Explanation:
The circled shape in the above shapes is a sphere.A sphere has only curved surface.
Spiral Review
Question 3.
Count forward. Write the number that is missing.
109, 110, 111, __, 113
Answer:
109,110,111,112,113.
Explanation:
There is a missng number in between the given number.Count forward.112 comes after 111.So, the missing number is 112.
Question 4.
What is the sum of 2 and 3? Write the number sentence.
Answer:
Explanation:
When we add 2 and 3, the sum is 5.So, 2+3=5.
Lesson 11.2 Combine Three-Dimensional Shapes
Essential Question
How can you combine three-dimensional shapes to make new shapes?
Answer:
To make new shapes using three-dimensional shapes we have to put the shapes above,below or besides the the other shape so that a new shape will be formed.
Listen and Draw
Trace to draw the new shape. Write to name the new shape.
Answer:
Explanation:
The above shapes are made by combing two shapes.The new shapes are cylinder and rectangular prism.
Math Talk
MATHEMATICAL PRACTICES
Apply Describe the new shapes Mandy and Carl made.
Model and Draw
You can put shapes together to make a new shape.
Share and Show MATH BOARD
Use three-dimensional shapes.
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.
On Your Own
MATHEMATICAL PRACTICE
Attend to Precision
Use three-dimensional shapes.
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.
Problem Solving • Applications WRITE Math
GO DEEPER
Circle the shapes you could use to model the ice cream cone.
Question 9.
Answer:
Explanation:
In the above shapes the circles shapes make the icecream.
Question 10.
Circle the ways that make the same shape.
Answer:
Explanation:
The circled shapes in the above shapes is a cube and is formed by combining cubes.
Question 11.
Combine 
and 
.
Choose all the new shapes you can make.
Answer:
Explanation:
The marked shapes in the above picture are formed by combing the two given shapes that are rectangular prism and a cone.
TAKE HOME ACTIVITY
• Ask your child to show you two different new shapes he or she can make by combining a soup can and a cereal box.
Combine Three-Dimensional Shapes Homework & Practice 11.2
Use three-dimensional shapes.
Answer:
Explanation:.
The circled shapes in the above picture are formed by combing the two given shapes besides them.
Problem Solving
Question 3.
Circle the shapes you could use to model the bird feeder.
Answer:
Explanation:
The circled shapes cone and the cylinder are used to make the model the bird feeder
Question 4.
WRITE Math
Combine two shapes to make a new shape. Describe how you put the shapes together.
_____________
_____________
_____________
_____________
Answer:
We can put the shapes together by placing the shapes one beside,above or below the other shapes.
Lesson Check
Question 1.
Circle the shape that combines 
and 
Answer:
Explanation:
The circled shapes in the above picture are formed by combing the two given shapes cylinder and cone.
Spiral Review
Question 2.
Write the sum. Write how many tens.
40 + 20 = __ __ tens
Answer:
40+20=60=6 tens
Explanation:
When we add 4 tens and 2 tens we get 6 tens.
Question 3.
Emi has 15 crayons. She gives some crayons to Jo. Now she has 9 crayons. How many crayons did Emi give to Jo? Use the model to solve
__ crayons
Answer:
6 crayons
Explanation:
Emi has 15 crayons. She gives some crayons to Jo. Now she has 9 crayons.When we subtract 9 from 15 we get 6.So, the number of crayons Emi gave to Jo are 6 crayons.
Lesson 11.3 Make New Three-Dimensional Shapes
Essential Question
How can you use a combined shape to build new shapes?
Listen and Draw
Draw to copy the shape.
Math Talk
MATHEMATICAL PRACTICES
Describe how to draw to copy the new shape.
Model and Draw
Answer:
Explanation:
By repeating the bulided shape we can make the circled shape.We cannot make the other shape because its not like the shape given.
Share and Show MATH BOARD
Use three-dimensional shapes
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.
On Your Own
MATHEMATICAL PRACTICE
Use a Concrete Model
Use three-dimensional shapes.
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.
Question 7.
THINK SMARTER
Look at the shape.
How many 
are used to make the shape?
Answer:
Explanation:
The given shape is made by combining the 2 cubes 3 times.
How many 
are used to make the shape?
Answer:
Explanation:
The given shape is made by combining 1 cube 6 times.
TAKE HOME ACTIVITY
• Ask your child to explain how he or she solved Exercise 4.
Make New Three-Dimensional Shapes Homework & Practice 11.3
Use three-dimensional shapes.
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes besides them.
Question:
Answer:
Explanation:
The above shape is formed by repeating the given shape.
Question 4.
WRITE Math
Use a cube and a cylinder to build a new shape. Repeat. Draw to show how you can combine these two new shapes to make a larger shape.
Answer:
Explanation:
By drawing a cube and a cylinder and repeating it we can make a larger shape like the above.
Lesson Check
Question 1.
Which new shape can you make? Circle the shape.
Answer:
Explanation:
In the above shapes the circled shapes are the shapes that are made by combing the given shapes above them.
Spiral Review
Question 2.
Which addition fact helps you solve 15 − 6 = ? Write the number sentence.
__ + __ = __
Answer:
6+3=9
Explanation:
When we add 6 and 3 we get the sum 9.Therefore the sum of 6 and 3 is 9.
Question 3.
Which doubles fact helps you solve 5 + 6 = 11?
Circle the number sentence.
Answer:
Explanation:
When we add 5 and 6 we get the sum as 11.The dobubles fact 5+5=10 helps us to solve 5+6=11.
Three–Dimensional Geometry Mid-Chapter Check Point
Concepts and Skills
Question 1.
Circle the rectangular prisms.
Question 2.
Draw a line under the shapes that have both flat and curved surfaces.
Answer:
Explanation:
The circled ojects in the above picturehave both flat and curved surfaces.
Use three-dimensional shapes.
Answer:
Explanation:
The circled object in the above picture is formed by combining the shapes cube and cone.
Question 4.
THINK SMARTER
Which new shape can you make?
Answer:
Explanation:
When we combine and repeat the shape given in the question we get the third shape marked in the above picture.
Lessson 11.4 Problem Solving • Take Apart Three-Dimensional Shapes
Essential Question
How can acting it out help you take apart combined shapes?
Mike has 
and 
. He chose some shapes to build a bridge. Which shapes did Mike use to build the bridge?
Unlock the Problem
What do I need to find?
What information do I need to use?
Mike has these shapes.
Show how to solve the problem.
Answer:
Explanation:
The above shape is made by combining the circled shapes cylinder and rectangular prism.
HOME CONNECTION
• Your child is investigating how shapes can be taken apart. Being able to decompose shapes into smaller parts provides a foundation for future work with fractions.
Try Another Problem
Kim used shapes to build this castle.
Use three-dimensional shapes. Circle your answer.
Question 1.
Which shapes did Kim use to build the tower?
Answer:
Explanaton:
Kim made the tower by combining the circled shapes cone and a cylinder.
Question 2.
Which shapes did Kim use to build this wall?
Answer:
Explanation:
Kim made the wall by combining the circled shapes cube and rectangular prism.
Question 3.
Which shapes did Kim use to build this wall?
Answer:
Explanation:
Kim made the above wall by combining the above circled shapes cylinder and cube.
Question 4.
Which shapes did Kim use to build the gate?
Answer:
Explanation:
Kim bulid the above gate by combining the circled shapes cylinder and rectangular prism.
Math Talk
MATHEMATICAL PRACTICES
Look for Structure How do you know which shapes Kim used to build the tower?
Share and Show MATH BOARD
MATHEMATICAL PRACTICE
Analyze Use three-dimensional shapes. Circle your answer.
Question 5.
Zack used shapes to build this gate. Which shapes did Zack use?
Answer:
Explanation:
zack build the gate by using the circled shapes cone and rectangular prism.
Question 6.
Chris used shapes to build this wall. Which shapes did Chris use?
Answer:
Explanation:
Chris build the above wall by using the circled shapes cylinder,cube and rectangular prism.
Question 7.
THINK SMARTER
Rosa uses 
and 
to build a tower. Draw to show a tower Rosa could build.
Answer:
Explanation:
Roscone and cylinder.a build the tower by using the shapes .
On Your Own
GO DEEPER
Circle the ways that show the same shape.
Question 8.
Answer:
Explanation:
The circled shape in the above pictures is a cube and it is formed by combining cubes only.
Question 9.
THINK SMARTER
Answer:
Explanation:
The circled shape in the above pictures is a cube and it is formed by combining cubes only.
Question 10.
THINK SMARTER
Sharon has many different blocks. She built this shape with her blocks.
Choose all the shapes Sharon used.
Answer:
Explanation:
Sharon made the shapes by using the shapes cube and rectangular prism.
TAKE HOME ACTIVITY
• Use real items such as a soup can (cylinder) and a cereal box (rectangular prism) to build a shape. Ask your child to name the shapes you used.
Problem Solving • Take Apart Three-Dimensional Shapes Homework & practice 11.4
Use three-dimensional shapes.
Circle your answer.
Question 1.
Paco used shapes to build this robot. Circle the shapes he used.
Answer:
Explanation:
Paco made a robot by using the circled shapes cylinder and rectangular prism.
Problem Solving
Question 2.
Circle the ways that show the same shape.
Answer:
Explanation:
The circled shape in the above picture is a rectangular prism and it is made by combining rectangular prisms only.
Question 3.
WRITE Math
Draw a picture of a house made from shapes. Write the shape names you used.
Answer:
Explanation:
I made a by using some shapes that are cone and rectangular prisms.
Lesson Check
Question 1.
Lara made this picture frame. Circle the shapes she used to make the frame
Answer:
Explanation:
The circled shapes in the above picture are used by lara to make the picture frame.
Spiral Review
Question 2.
Compare each pair of numbers. Write <, >, or =.
Answer:
Explanation:
In the above picture we used the symbols <,> and = to compare the numbers.
13 is lessthan 31 so, use < symbol to compare
13 is equal to 13 so, use = symbol to compare
31 is greaterthan 13 so, use > symbol to compare
31 isnequal to 31 so, use = symbol to compare.
Question 3.
Subtract. What is the difference? Write the number.
60 – 30 = __
Answer:
60-30=30.
Explanation:
When we subtract 30 from 60 we get 30.3 tens fro 6 tens is 3 tens.Therefore 60-30=30.
Lesson 11.5 Two-Dimensional Shapes on Three-Dimensional Shapes
Essential Question
What two-dimensional shapes do you see on the flat surfaces of three-dimensional shapes?
Listen and Draw
Use a cone.
Math Talk
MATHEMATICAL PRACTICES
Analyze What other shape could you use to draw the same kind of picture?
Answer:
I could have used circle to draw the same kind of picture.
Model and Draw
Trace around the flat surfaces of the three-dimensional shape to find the two-dimensional shapes.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional shapes we get two-dimensional shapes they are square and rectangle.
Share and Show MATH BOARD
Use three-dimensional shapes. Trace around the flat surfaces. Circle the shapes you draw.
Question 1.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional shape cube we get two-dimensional shape that is square.
Question 2.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional shape cylinder we get two-dimensional shape that is circle.
Question 3.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional shape rectangular prism we get two-dimensional shapes they are square and rectangle.
On Your Own
MATHEMATICAL PRACTICE
Make Connections Circle the objects you could trace to draw the shape.
Question 4.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional object which is circled abovewe get two-dimensional shape that is rectangle.
Question 5.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is circle.
Question 6.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is square.
Question 7.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional object which is circled abovewe get two-dimensional shape that is rectangle.
Question 8.
THINK SMARTER
Draw a shape you would make if you traced this object.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional shape which is given above we get two-dimensional shape that is triangle.
Problem Solving • Applications
Circle the shape that the pattern will make if you fold it and tape it together.
Question 9.
Answer:
Explanation:
If we fold the above given pattern we get the three-dimensional shape that is rectangular prism.
Question 10.
Answer:
Explanation:
If we fold the above given pattern we get the three-dimensional shape that is cube.
Question 11.
THINK SMARTER
Kei wants to trace a 
She finds these objects. Which object should she use?
Answer:
Explanation:
Kie wants to trace a rectangle.If he trace the flat surfaces of the gift box which is circled above he gets a two-dimensional shape rectangle.
What would happen if Kei used the 
to trace a shape?
Answer:
Explanation:
If kie trace the above given object he gets the two-dimensional shape that is circle.
TAKE HOME ACTIVITY
• Collect a few three-dimensional objects, such as boxes, that are shaped like rectangular prisms or cubes. Ask your child what two-dimensional shapes are on those objects.
Two-Dimensional Shapes on Three-Dimensional Shapes Homework & practice 11.5
Circle the objects you could trace to draw the shape.
Question 1.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is rectangle.
Question 2.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional objects which are circled above we get two-dimensional shape that is circle.
Problem Solving
Question 3.
Look at this shape. Draw the shape you would make if you traced this object.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional object which is given above we get two-dimensional shape that is circle.
Question 4.
WRITE Math
Use pictures or words to explain how you would describe the shapes of flat surfaces you may see on a tissue box.
Answer:
Lesson Check
Question 1.
Which flat surface does a cone have? Circle the shape.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional object cone which is mentioned above we get two-dimensional shape that is circle.
Question 2.
Which flat surfaces could a rectangular prism have? Circle the pair of shapes.
Answer:
Explanation:
When we trace around the flat surfaces of the three-dimensional object rectangular prism which is mentioned above we get two-dimensional shape that is rectangle and square.
Spiral Review
Write a subtraction sentence to solve.
Question 3.
Jade has 8 books. She gives some of them to Dana. Now Jade has 6 books. How many did she give to Dana?
__ – __ = __
__ books
Answer:
8-6=2
2 books
Explanation:
Jade has 8 books. She gives some of them to Dana. Now Jade has 6 books.
8-6=2
Therefore, the number of books she give to Dana are 2.
Question 4.
Write the sum.
3 + 0 = __
Answer:
3+0=3
Explanation:
If we add any number with zero we get the sum same as the number we added.
Three–Dimensional Geometry Chapter 11 Review/Test
Question 1.
Match each shape to the group where it belongs.
Answer:
Explanation:
The shapes that has only flat surfaces are cube and rectangular prism
The shapes that has only a curved surface is a sphere
The shapes that has both flat and curved surfaces are cone and cylinder.
Question 2.
Combine 
and 
Choose all the new shapes you can make.
Answer:
Explanation:
The marked shapes in the above picture can be made by joining the shapes cube and cylinder given above.
Question 3.
Build and repeat. Choose Yes or No.
Answer:
Question 4.
Damon built this shape.
Choose all the shapes Damon used.
Answer:
Explanation:
Demon used the marked shapes cube and cone to build the shape given above.
Question 5.
Circle the number that makes the sentence true
Answer:
Explanation:
When we trace the flat surface of the three-dimensional shape cone we get a two-dimensional shape that is circle.
Question 6.
GO DEEPER
Sara wants to trace a 
. She finds these objects.
Which object should she use?
Answer:
Explanation:
When sara trace the flat surface of the shape given above he will get the two-dimensionla shape that is circle.
What would happen if she used the 
to trace a shape?
Answer:
Question 7.
Which shape has only 2 flat surfaces?
Answer:
Explanation:
In the above given shapes the marked shape cylinder has 2 flat surfaces.
Question 8.
Look at the shape.
How many 
are used to make the shape?
Answer:
Explanation:
We need 3 to make the above shape.
Question 9.
Ellen built this shape.
Which objects did Ellen use? Circle them.
Answer:
Explanation:
Ellen used the above circled shapes cylinder and rectangular prism to build the shape given.
Draw another way to combine the objects
Answer:
Explanation:
When we combine the two shapes cylinder and rectangular prism we can also build another shape mentioned above.
Question 10.
THINK SMARTER
Hector built this shape.
Choose all the shapes Hector used
Answer:
Explanation:
Hector build the above shape by using the marked shapes from the picture given they are cone, cube and cylinder.