\n
![\"Eureka](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/03\/Eureka-Math-Grade-2-Module-4-Lesson-3-Sprint-Answer-Key-1.png\")
<\/p>\nAdd and Subtract Ones and Tens of the chapter of this Eureka Math Answers Grade 2 Chapter 3 help the students learn the essential lessons associated with the Numbers. By using Eureka Math Answers Grade 2 Chapter 3 Add and Subtract Ones and Tens, you can understand the topics of all the chapters easily. Thus the students who wish to prepare Grade 2 concepts can get a strong foundation by accessing our Eureka Math Book 2nd Grade Answer Key.<\/p>\n
The people of highly subject expertise prepared the Eureka Math Book 2nd Grade Answer Key Chapter 3 in a concise manner for highly grasping. Thus the students who feel math is a difficult subject can refer to our Eureka Math Answers Grade 2 Chapter 3. Hit the below links and see the step-by-step solutions.<\/p>\n
A. Add and Subtract Ones and Tens
\n<\/p>\n
Answer:
\n3 + 1 = 4, 30 + 10 = 40, 31 + 10 = 41, 31 + 1 = 32, 3 – 1 = 2, 30 – 10 = 20, 35 – 10 = 25, 35 – 1 = 34, 47 + 10 = 57, 10 – 1 = 9, 80 – 1 = 79, 40 + 20 = 60, 43 + 20 = 63, 43 + 2 = 63, 40 – 20 = 20, 45 – 20 = 25, 45 – 2 = 25, 57 + 2 = 59, 57 – 20 = 37, 10 – 2 = 8, 50 – 2 = 48, 51 – 2 = 49, 50 + 30 = 80, 54 + 30 = 84, 54 + 3 = 57, 50 – 30 = 20, 59 – 30 = 29, 59 – 3 = 56, 67 + 30 = 97, 67 – 30 = 37, 67 – 3 = 64, 40 – 3 = 37, 42 – 3 = 39, 30 + 40 = 70, 32 + 40 = 72, 32 + 4 = 36, 70 – 40 = 30, 76 – 40 = 36, 76 – 4 = 72, 53 + 40 = 93, 53 + 4 = 93, 53 – 40 = 13, 90 – 4 = 86, 92 – 4 = 88.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nAdd and Subtract ones and tens.
\n3 + 1 = 4, 30 + 10 = 40, 31 + 10 = 41, 31 + 1 = 32, 3 – 1 = 2, 30 – 10 = 20, 35 – 10 = 25, 35 – 1 = 34, 47 + 10 = 57, 10 – 1 = 9, 80 – 1 = 79, 40 + 20 = 60, 43 + 20 = 63, 43 + 2 = 63, 40 – 20 = 20, 45 – 20 = 25, 45 – 2 = 25, 57 + 2 = 59, 57 – 20 = 37, 10 – 2 = 8, 50 – 2 = 48, 51 – 2 = 49, 50 + 30 = 80, 54 + 30 = 84, 54 + 3 = 57, 50 – 30 = 20, 59 – 30 = 29, 59 – 3 = 56, 67 + 30 = 97, 67 – 30 = 37, 67 – 3 = 64, 40 – 3 = 37, 42 – 3 = 39, 30 + 40 = 70, 32 + 40 = 72, 32 + 4 = 36, 70 – 40 = 30, 76 – 40 = 36, 76 – 4 = 72, 53 + 40 = 93, 53 + 4 = 93, 53 – 40 = 13, 90 – 4 = 86, 92 – 4 = 88.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-1.png\")
<\/p>\n
Question 1.
\n3 + 1 = 4.<\/p>\n
Answer:
\n3 + 1 = 4.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n3 + 1 = 4.
\n4 – 1 = 3.<\/p>\n
Question 2.
\n30 + 10 = 40.<\/p>\n
Answer:
\n30 + 10 = 40.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n30 + 10 = 40.
\n40 – 10 = 30.<\/p>\n
Question 3.
\n31 + 10 = 41.<\/p>\n
Answer:
\n31 + 10 = 41.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n31 + 10 = 41.
\n41 – 10 = 31.<\/p>\n
Question 4.
\n31 + 1 = 32.<\/p>\n
Answer:
\n31 + 1 = 32.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n31 + 1 = 32.
\n32 – 1 = 31.<\/p>\n
Question 5.
\n3 \u2013 1 = 2.<\/p>\n
Answer:
\n3 – 1 = 2.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n3 – 1 = 2.
\n2 + 1 = 3.<\/p>\n
Question 6.
\n30 \u2013 10 = 20.<\/p>\n
Answer:
\n30 – 10 = 20.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n30 – 10 = 20.
\n20 + 10 = 30.<\/p>\n
Question 7.
\n35 \u2013 10 =\u00a0 25.<\/p>\n
Answer:
\n35 – 10 = 25.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n35 – 10 = 25.
\n25 + 10 = 35.<\/p>\n
Question 8.
\n35 \u2013 1 =\u00a0 34.<\/p>\n
Answer:
\n35 – 1 = 34.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n35 – 1 = 34.
\n34 + 1 = 35.<\/p>\n
Question 9.
\n47 + 10 = 57<\/p>\n
Answer:
\n47 + 10 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n47 + 10 = 57.
\n57 – 10 = 47.<\/p>\n
Question 10.
\n10 \u2013 1 = 9.<\/p>\n
Answer:
\n10 – 1 = 9.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n10 – 1 = 9.
\n9 + 1 = 10.<\/p>\n
Question 11.
\n80 \u2013 1 = 79.<\/p>\n
Answer:
\n80 – 1 = 79.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n80 – 1 = 79.
\n79 + 1 = 80.<\/p>\n
Question 12.
\n40 + 20 = 60.<\/p>\n
Answer:
\n40 + 20 = 60.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n40 + 20 = 60.
\n60 – 20 = 40.<\/p>\n
Question 13.
\n43 + 20 = 63.<\/p>\n
Answer:
\n43 + 20 = 63.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n43 + 20 = 63.
\n63 – 20 = 43.<\/p>\n
Question 14.
\n43 + 2 = 45.<\/p>\n
Answer:
\n43 + 2 = 45.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n43 + 2 = 45.
\n45 – 2 = 43.<\/p>\n
Question 15.
\n40 \u2013 20 = 20.<\/p>\n
Answer:
\n40 – 20 = 20.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n40 – 20 = 20.
\n20 + 20 = 40.<\/p>\n
Question 16.
\n45 \u2013 20 = 25.<\/p>\n
Answer:
\n45 – 20 = 25.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n45 – 20 = 25.
\n25 + 20 = 45.<\/p>\n
Question 17.
\n45 \u2013 2 = 43.<\/p>\n
Answer:
\n45 – 2 = 43.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n45 – 2 = 43.
\n43 + 2 = 45.<\/p>\n
Question 18.
\n57 + 2 = 59.<\/p>\n
Answer:
\n57 + 2 = 59.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n57 + 2 = 59.
\n59 – 2 = 57.<\/p>\n
Question 19.
\n57 \u2013 20 = 37.<\/p>\n
Answer:
\n57 – 20 = 37.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n57 – 20 = 37.
\n37 + 20 = 57.<\/p>\n
Question 20.
\n10 \u2013 2 = 8.<\/p>\n
Answer:
\n10 – 2 = 8.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n10 – 2 = 8.
\n8 + 2 = 10.<\/p>\n
Question 21.
\n50 \u2013 2 = 48.<\/p>\n
Answer:
\n50 – 2 = 48.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n50 – 2 = 48.
\n48 + 2 = 50.<\/p>\n
Question 22.
\n51 \u2013 2 = 49.<\/p>\n
Answer:
\n51 – 2 = 49.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n51 – 2 = 49.
\n49 + 2 = 51.<\/p>\n
Question 23.
\n50 + 30 = 80.<\/p>\n
Answer:
\n50 + 30 = 80.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n50 + 30 = 80.
\n80 – 30 = 50.<\/p>\n
Question 24.
\n54 + 30 = 84.<\/p>\n
Answer:
\n54 + 30 = 84.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n54 + 30 = 84.
\n84 – 30 = 54.<\/p>\n
Question 25.
\n54 + 3 = 57.<\/p>\n
Answer:
\n54 + 3 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n54 + 3 = 57.
\n57 – 3 = 54.<\/p>\n
Question 26.
\n50 \u2013 30 = 20.<\/p>\n
Answer:
\n50 – 30 = 20.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n50 – 30 = 20.
\n20 + 30 = 50.<\/p>\n
Question 27.
\n59 \u2013 30 = 29.<\/p>\n
Answer:
\n59 – 30 = 29.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n59 – 30 = 29.
\n29 + 30 = 59.<\/p>\n
Question 28.
\n59 \u2013 3 = 56.<\/p>\n
Answer:
\n59 – 3 = 56.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n59 – 3 = 56.
\n56 + 3 = 59.<\/p>\n
Question 29.
\n67 + 30 = 97.<\/p>\n
Answer:
\n67 + 30 = 97.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n67 + 30 = 97.
\n97 – 30 = 67.<\/p>\n
Question 30.
\n67 \u2013 30 = 37.<\/p>\n
Answer:
\n67 – 30 = 37.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n67 – 30 = 37.
\n37 + 30 = 67.<\/p>\n
Question 31.
\n67 \u2013 3 = 64.<\/p>\n
Answer:
\n67 – 3 = 64.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n67 – 3 = 64.
\n64 + 3 = 67.<\/p>\n
Question 32.
\n40 \u2013 3 = 37.<\/p>\n
Answer:
\n40 – 3 = 37.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n40 – 3 = 37.
\n37 + 3 = 40.<\/p>\n
Question 33.
\n42 \u2013 3 = 39.<\/p>\n
Answer:
\n42 – 3 = 39.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n42 – 3 = 39.
\n39 + 3 = 42.<\/p>\n
Question 34.
\n30 + 40 = 70.<\/p>\n
Answer:
\n30 + 40 = 70.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n30 + 40 = 70.
\n70 – 40 = 30.<\/p>\n
Question 35.
\n32 + 40 = 72.<\/p>\n
Answer:
\n32 + 40 = 72.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n32 + 40 = 72.
\n72 – 40 = 32.<\/p>\n
Question 36.
\n32 + 4 = 36.<\/p>\n
Answer:
\n32 + 4 = 36.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n32 + 4 = 36.
\n36 – 4 = 32.<\/p>\n
Question 37.
\n70 \u2013 40 = 30.<\/p>\n
Answer:
\n70 – 40 = 30.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n70 – 40 = 30.
\n30 + 40 = 70.<\/p>\n
Question 38.
\n76 \u2013 40 = 36.<\/p>\n
Answer:
\n76 – 40 = 36.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n76 – 40 = 36.
\n36 + 40 = 76.<\/p>\n
Question 39.
\n76 \u2013 4 = 72.<\/p>\n
Answer:
\n76 – 4 = 72.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n76 – 4 = 72.
\n72 + 4 = 76.<\/p>\n
Question 40.
\n53 + 40 = 93.<\/p>\n
Answer:
\n53 + 40 = 93.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n53 + 40 = 93.
\n93 – 40 = 53.<\/p>\n
Question 41.
\n53 + 4 = 57.<\/p>\n
Answer:
\n53 + 4 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n53 + 4 = 57.
\n57 – 4 = 53.<\/p>\n
Question 42.
\n53 \u2013 40 = 13.<\/p>\n
Answer:
\n53 – 40 = 13.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n53 – 40 = 13.
\n13 + 40 = 53.<\/p>\n
Question 43.
\n90 \u2013 4 = 86.<\/p>\n
Answer:
\n90 – 4 = 86.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n90 – 4 = 86.
\n86 + 4 = 90.<\/p>\n
Question 44.
\n92 \u2013 4 = 88.<\/p>\n
Answer:
\n92 – 4 = 88.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n92 – 4 = 88.
\n88 + 4 = 92.<\/p>\n
B. Add and Subtract Ones and Tens
\n![\"Eureka](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/03\/Eureka-Math-Grade-2-Module-4-Lesson-3-Sprint-Answer-Key-2.png\")
<\/p>\n
Answer:
\n2 + 1 = 3, 20 + 10 = 30, 21 + 10 = 31, 21 + 1 = 22, 2 – 1 = 1, 20 – 10 = 10, 25 – 10 = 15, 25 – 1 = 24, 37 + 10 = 47, 10 – 1 = 9, 70 – 1 = 69, 50 + 20 = 70, 53 + 20 = 73, 53 + 2 = 55, 50 – 20 = 30, 54 – 20 = 34, 54 – 2 = 52, 64 + 2 = 66, 64 – 20 = 44, 10 – 2 = 8, 60 – 2 = 58, 61 – 2 = 59, 40 + 30 = 70, 45 + 30 = 75, 45 + 3 = 48, 40 – 30 = 10, 49 – 30 = 19, 49 – 3 = 46, 57 + 30 = 87, 57 – 30 = 27, 57 – 3 = 54, 50 – 3 = 47, 52 – 3 = 49, 20 + 40 = 60, 23 + 40 = 63, 23 + 4 = 27, 80 – 40 = 40, 86 – 40 = 46, 86 – 4 = 82, 43 + 40 = 83, 43 + 4 =47, 63 – 40 = 23, 80 – 4 = 76, 82 – 4 = 78.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nAdd and subtract the numbers.
\n2 + 1 = 3, 20 + 10 = 30, 21 + 10 = 31, 21 + 1 = 22, 2 – 1 = 1, 20 – 10 = 10, 25 – 10 = 15, 25 – 1 = 24, 37 + 10 = 47, 10 – 1 = 9, 70 – 1 = 69, 50 + 20 = 70, 53 + 20 = 73, 53 + 2 = 55, 50 – 20 = 30, 54 – 20 = 34, 54 – 2 = 52, 64 + 2 = 66, 64 – 20 = 44, 10 – 2 = 8, 60 – 2 = 58, 61 – 2 = 59, 40 + 30 = 70, 45 + 30 = 75, 45 + 3 = 48, 40 – 30 = 10, 49 – 30 = 19, 49 – 3 = 46, 57 + 30 = 87, 57 – 30 = 27, 57 – 3 = 54, 50 – 3 = 47, 52 – 3 = 49, 20 + 40 = 60, 23 + 40 = 63, 23 + 4 = 27, 80 – 40 = 40, 86 – 40 = 46, 86 – 4 = 82, 43 + 40 = 83, 43 + 4 =47, 63 – 40 = 23, 80 – 4 = 76, 82 – 4 = 78.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-2.png\")
<\/p>\n
Question 1.
\n2 + 1 = 3.<\/p>\n
Answer:
\n2 + 1 = 3.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n2 + 1 = 3.
\n3 – 1 = 2.<\/p>\n
Question 2.
\n20 + 10 = 30.<\/p>\n
Answer:
\n20 + 10 = 30.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n20 + 10 = 30.
\n30 – 10 = 20.<\/p>\n
Question 3.
\n21 + 10 = 31.<\/p>\n
Answer:
\n21 + 10 = 31.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n21 + 10 = 31.
\n31 – 10 = 21.<\/p>\n
Question 4.
\n21 + 1 = 22.<\/p>\n
Answer:
\n21 + 1 = 22.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n21 + 1 = 22.
\n22 – 1 = 21.<\/p>\n
Question 5.
\n2 \u2013 1 = 1.<\/p>\n
Answer:
\n2 – 1 = 1.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n2 – 1 = 1.
\n1 + 1 = 2.<\/p>\n
Question 6.
\n20 \u2013 10 = 10.<\/p>\n
Answer:
\n20 – 10 = 10.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n20 – 10 = 10.
\n10 + 10 = 20.<\/p>\n
Question 7.
\n25 \u2013 10 = 15.<\/p>\n
Answer:
\n25 – 10 = 15.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n25 – 10 = 15.
\n15 + 10 = 25.<\/p>\n
Question 8.
\n25 \u2013 1 = 24.<\/p>\n
Answer:
\n25 – 1 = 24.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n25 – 1 = 24.
\n24 + 1 = 25.<\/p>\n
Question 9.
\n37 + 10 = 47.<\/p>\n
Answer:
\n37 + 10 = 47.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n37 + 10 = 47.
\n47 – 10 = 37.<\/p>\n
Question 10.
\n10 \u2013 1 = 9.<\/p>\n
Answer:
\n10 – 1 = 9.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n10 – 1 = 9.
\n9 + 1 = 10.<\/p>\n
Question 11.
\n70 \u2013 1 = 69.<\/p>\n
Answer:
\n70 – 1 = 69.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n70 – 1 = 69.
\n69 + 1 = 70.<\/p>\n
Question 12.
\n50 + 20 = 70.<\/p>\n
Answer:
\n50 + 20 = 70.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n50 + 20 = 70.
\n70 – 20 = 50.<\/p>\n
Question 13.
\n53 + 20 = 73.<\/p>\n
Answer:
\n53 + 20 = 73.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n53 + 20 = 73.
\n73 – 20 = 53.<\/p>\n
Question 14.
\n53 + 2 = 55.<\/p>\n
Answer:
\n53 + 2 = 55.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n53 + 2 = 55.
\n55 – 2 = 53.<\/p>\n
Question 15.
\n50 \u2013 20 = 30.<\/p>\n
Answer:
\n50 – 20 = 30.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n50 – 20 = 30.
\n30 + 20 = 50.<\/p>\n
Question 16.
\n54 \u2013 20 = 34.<\/p>\n
Answer:
\n54 – 20 = 34.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n54 – 20 = 34.
\n34 + 20 = 54.<\/p>\n
Question 17.
\n54 \u2013 2 = 52.<\/p>\n
Answer:
\n54 – 2 = 52.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n54 – 2 = 52.
\n52 + 12 = 54.<\/p>\n
Question 18.
\n64 + 2 = 66.<\/p>\n
Answer:
\n64 + 2 = 66.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n64 + 2 = 66.
\n66 – 2 = 64.<\/p>\n
Question 19.
\n64 \u2013 20 = 44.<\/p>\n
Answer:
\n64 – 20 = 44.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n64 – 20 = 44.
\n44 + 20 = 64.<\/p>\n
Question 20.
\n10 \u2013 2 = 8.<\/p>\n
Answer:
\n2 – 10 = 8.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n2 – 10 = 8.
\n8 + 2 = 10.<\/p>\n
Question 21.
\n60 \u2013 2 = 58.<\/p>\n
Answer:
\n60 – 2 = 58.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n60 – 2 = 58.
\n58 + 2 = 60.<\/p>\n
Question 22.
\n61 \u2013 2 = 59.<\/p>\n
Answer:
\n61 – 2 = 59.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n61 – 2 = 59.
\n59 + 2 = 61.<\/p>\n
Question 23.
\n40 + 30 = 70.<\/p>\n
Answer:
\n40 + 30 = 70.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n40 + 30 = 70.
\n70 – 30 = 40.<\/p>\n
Question 24.
\n45 + 30 = 75.<\/p>\n
Answer:
\n45 + 30 = 75.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n45 + 30 = 75.
\n75 – 30 = 45.<\/p>\n
Question 25.
\n45 + 3 = 48.<\/p>\n
Answer:
\n45 + 3 = 48.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n45 + 3 = 48.
\n48 – 3 = 45.<\/p>\n
Question 26.
\n40 \u2013 30 = 10.<\/p>\n
Answer:
\n40 – 30 = 10.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n40 – 30 = 10.
\n30 + 10 = 40.<\/p>\n
Question 27.
\n49 \u2013 30 = 19.<\/p>\n
Answer:
\n49 – 30 = 19.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n49 – 30 = 19.
\n19 + 30 = 49.<\/p>\n
Question 28.
\n49 \u2013 3 = 46.<\/p>\n
Answer:
\n49 – 3 = 46.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n49 – 3 = 46.
\n46 + 3 = 49.<\/p>\n
Question 29.
\n57 + 30 = 87.<\/p>\n
Answer:
\n57 + 30 = 87.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n57 + 30 = 87.
\n87 – 30 = 57.<\/p>\n
Question 30.
\n57 \u2013 30 = 27.<\/p>\n
Answer:
\n57 – 30 = 27.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n57 – 30 = 27.
\n27 + 30 = 57.<\/p>\n
Question 31.
\n57 \u2013 3 = 54.<\/p>\n
Answer:
\n57 – 3 = 54.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n57 – 3 = 54.
\n54 + 3 = 57.<\/p>\n
Question 32.
\n50 \u2013 3 = 47.<\/p>\n
Answer:
\n50 – 3 = 47.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n50 – 3 = 47.
\n47 + 3 = 50.<\/p>\n
Question 33.
\n52 \u2013 3 = 49.<\/p>\n
Answer:
\n52 – 3 = 49.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n52 – 3 = 49.
\n49 + 3 = 52.<\/p>\n
Question 34.
\n20 + 40 = 60.<\/p>\n
Answer:
\n20 + 40 = 60.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n20 + 40 = 60.
\n60 – 40 = 20.<\/p>\n
Question 35.
\n23 + 40 = 63.<\/p>\n
Answer:
\n23 + 40 = 63.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n23 + 40 = 63.
\n63 – 40 = 23.<\/p>\n
Question 36.
\n23 + 4 = 27.<\/p>\n
Answer:
\n23 + 4 = 27.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n23 + 4 = 27.
\n27 – 4 = 23.<\/p>\n
Question 37.
\n80 \u2013 40 = 40.<\/p>\n
Answer:
\n80 – 40 = 40.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n80 – 40 = 40.
\n40 + 40 = 80.<\/p>\n
Question 38.
\n86 \u2013 40 = 46.<\/p>\n
Answer:
\n86 – 40 = 46.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n86 – 40 = 46.
\n46 + 40 = 86.<\/p>\n
Question 39.
\n86 \u2013 4 = 82.<\/p>\n
Answer:
\n86 – 4 = 82.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n86 – 4 = 82.
\n82 + 4 = 86.<\/p>\n
Question 40.
\n43 + 40 = 83.<\/p>\n
Answer:
\n43 + 40 = 83.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n43 + 40 = 83.
\n83 – 40 = 43.<\/p>\n
Question 41.
\n43 + 4 = 47.<\/p>\n
Answer:
\n43 + 4 = 47.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n43 + 4 = 47.
\n47 – 4 = 43.<\/p>\n
Question 42.
\n63 \u2013 40 = 23.<\/p>\n
Answer:
\n63 – 40 = 23.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n63 – 40 = 23.
\n23 + 40 = 63.<\/p>\n
Question 43.
\n80 \u2013 4 = 76.<\/p>\n
Answer:
\n80 – 4 = 76.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n80 – 4 = 76.
\n76 + 4 = 80.<\/p>\n
Question 44.
\n82 \u2013 4 = 78.<\/p>\n
Answer:
\n82 – 4 = 78.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n82 – 4 = 78.
\n78 + 4 = 82.<\/p>\n
Question 1.
\nSolve each using the arrow way.
\na.
\n38 + 20
\n38 + 21
\n38 + 19<\/p>\n
Answer:
\n38 + 20 = 58.
\n38 + 21 = 59.
\n38 + 19 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n38 + 20, 38 + 21, 38 + 19.
\n38 + 20 = 58.
\n38 + 21 = 59.
\n38 + 19 = 57.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-3.png\")
<\/p>\n
b.
\n47 + 40
\n47 + 41
\n47 + 39<\/p>\n
Answer:
\n47 + 40 = 87.
\n47 + 41 = 88.
\n47 + 39 = 86.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n47 + 40, 47 + 41, 47 + 39.
\n47 + 40 = 87.
\n47 + 41 = 88.
\n47 + 39 = 86.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-4.png\")
<\/p>\n
c.
\n34 \u2013 10
\n34 \u2013 11
\n34 \u2013 9<\/p>\n
Answer:
\n34 – 10 = 24.
\n34 – 11 = 23.
\n34 – 9 = 25.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n34 – 10, 34 – 11, 34 – 9.
\n34 – 10 = 24.
\n34 – 11 = 23.
\n34 – 9 = 25.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-5.png\")
<\/p>\n
d.
\n45 \u2013 20
\n45 \u2013 21
\n45 \u2013 19<\/p>\n
Answer:
\n45 – 20 = 25.
\n45 – 21 = 24.
\n45 – 19 = 26.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n45 – 20, 45 – 21, 45 – 19.
\n45 – 20 = 25.
\n45 – 21 = 24.
\n45 – 19 = 26.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-6.png\")
<\/p>\n
Question 2.
\nSolve using the arrow way, number bonds, or mental math. Use scrap paper if needed.
\na. 49 + 20 = __69____ 21 + 49 = ___70___ 49 + 19 = ___68___<\/p>\n
Answer:
\n49 + 20 = 69.
\n21 + 49 = 70.
\n49 + 19 = 68.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n49 + 20, 21 + 49, 49 + 19.
\n49 + 20 = 69.
\n21 + 49 = 70.
\n49 + 19 = 68.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-7.png\")
<\/p>\n
b. 23 + 70 = ___93___ 23 + 71 = ___94___ 69 + 23 = __92____<\/p>\n
Answer:
\n23 + 70 = 93.
\n23 + 71 = 94.
\n69 + 23 = 92.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n23 + 70, 23 + 71, 69 + 23.
\n23 + 70 = 93.
\n23 + 71 = 94.
\n69 + 23 = 92.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-9.png\")
<\/p>\n
c. 84 \u2013 20 = ___64___ 84 \u2013 21 = __63____ 84 \u2013 19 = ___65___<\/p>\n
Answer:
\n84 – 20 = 64.
\n84 – 21 = 63.
\n84 – 19 = 65.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n84 – 20, 84 – 21, 84 – 19.
\n84 – 20 = 64.
\n84 – 21 = 63.
\n84 – 19 = 65.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-10.png\")
<\/p>\n
d. 94 \u2013 41 = __53____ 94 \u2013 39 = ____55__ 94 \u2013 37 = __57____<\/p>\n
Answer:
\n94 – 41 = 53.
\n94 – 39 = 55.
\n94 – 37 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n94 – 41, 94 – 39, 94 – 37.
\n94 – 41 = 53.
\n94 – 39 = 55.
\n94 – 37 = 57.<\/p>\n
e. 73 \u2013 29 = ___42___ 52 \u2013 29 = ___23___ 85 \u2013 29 = ___56___<\/p>\n
Answer:
\n94 – 41 = 53.
\n94 – 39 = 55.
\n94 – 37 = 57.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n94 – 41, 94 – 39, 94 – 37.
\n94 – 41 = 53.
\n94 – 39 = 55.
\n94 – 37 = 57.<\/p>\n
Question 3.
\nJessie\u2019s mom buys snacks for his classroom. She buys 22 apples, 19 oranges, and 49 strawberries. How many pieces of fruit does Jessie\u2019s mom buy?<\/p>\n
Answer:
\nJessie’s mom buys = 90.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nJessie’s mom buys snacks for his classroom.
\nshe buys 22 apples, 19 oranges, and 49 strawberries.
\n22 + 19 + 49.
\n22 + 19 = 41.
\n41 + 49 = 90.<\/p>\n
Question 1.
\nSolve using the arrow way or number bonds.
\na. 43 + 30 = ___73.____<\/p>\n
Answer:
\n43 + 30 = 73.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n43 + 30.
\n43 + 30 = 73.<\/p>\n
b. 68 + 24 = ____92___<\/p>\n
Answer:
\n68 + 24 = 92.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nadd the numbers.
\n68 + 24.
\n68 + 24 = 92.<\/p>\n
c. 82 \u2013 51 = __31_____<\/p>\n
Answer:
\n82 – 51 = 31.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n82 – 51.
\n82 – 51 = 31.<\/p>\n
d. 28 \u2013 19 = ___9____<\/p>\n
Answer:
\n28 – 19 = 9.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsubtract the numbers.
\n28 – 19.
\n28 – 19 = 9.<\/p>\n
Question 2.
\nShow or explain how you used mental math to solve one of the problems above.
\nAnswer:<\/p>\n
Question 1.
\nSolve using the arrow way. The first set is done for you.
\n![\"Eureka](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/03\/Eureka-Math-Grade-2-Module-4-Lesson-3-Homework-Answer-Key-3.png\")
<\/p>\n
Answer:
\n67 + 20 = 87.
\n67 + 21 = 88.
\n67 + 19 = 86.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nsolve using the array method.
\n67 + 20 = 87.
\n67 + 21 = 88.
\n67 + 19 = 86.
\n![\"Eureka-Math-Grade-2-Module-4-Lesson](\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2021\/04\/Eureka-Math-Grade-2-Module-4-Lesson-3-Answer-Key-11.png\")
<\/p>\n
Question 2.
\nSolve using the arrow way, number bonds, or mental math. Use scrap paper if needed.
\na.
\n48 \u2013 20 = __28___
\n48 \u2013 21 = __27___
\n48 \u2013 19 = ___29__<\/p>\n
Answer:
\n48 – 20 = 28.
\n48 – 21 = 27.
\n48 – 19 = 29.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n48 – 20, 48 – 21, 48 – 19.
\n48 – 20 = 28.
\n48 – 21 = 27.
\n48 – 19 = 29.<\/p>\n
b.
\n86 \u2013 50 = __36___
\n86 \u2013 51 = _35____
\n86 \u2013 49 = ___37__<\/p>\n
Answer:
\n86 – 50 = 36.
\n86 – 51 = 35.
\n86 – 49 = 37.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n86 – 50 = 36.
\n86 – 51 = 35.
\n86 – 49 = 37.
\nc.
\n37 + 40 = __77___
\n37 + 41 = __78___
\n37 + 39 = __76___<\/p>\n
Answer:
\n37 + 40 = 77.
\n37 + 41 = 78.
\n37 + 39 = 76.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n37 + 40, 37 + 41, 37 + 39.
\n37 + 40 = 77.
\n37 + 41 = 78.
\n37 + 39 = 76.<\/p>\n
d.
\n62 + 30 = _92____
\n62 + 31 = __93___
\n62 + 29 = __91___<\/p>\n
Answer:
\n62 + 30 = 92.
\n62 + 31 = 93.
\n62 + 29 = 91.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n62 + 30, 62 + 31, 62 + 29.
\n62 + 30 = 92.
\n62 + 31 = 93.
\n62 + 29 = 91.<\/p>\n
e.
\n77 \u2013 40 = ___37__
\n77 \u2013 41 = __36___
\n77 \u2013 39 = __38___<\/p>\n
Answer:
\n77 – 40 = 37.
\n77 – 41 = 36.
\n77 – 39 = 38.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\n77 – 40, 77 – 41, 77 – 39.
\n77 – 40 = 37.
\n77 – 41 = 36.
\n77 – 39 = 38.<\/p>\n
f.
\n28 + 50 = __78___
\n28 + 51 = __79___
\n28 + 49 = __77___<\/p>\n
Answer:
\n28 + 50 = 78.
\n28 + 51 = 79.
\n28 + 49 = 77.
\nExplanation:
\nIn the above-given question,
\ngiven that,
\n28 + 50, 28 + 51, 28 + 49.
\n28 + 50 = 78.
\n28 + 51 = 79.
\n28 + 49 = 77.<\/p>\n
Question 3.
\nMarcy had $84 in the bank. She took $39 out of her account. How much does she have in her account now?<\/p>\n
Answer:
\nThe money she has in her account now = $35.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nMarcy had $84 in the bank.
\nshe took $39 out of her account.
\n84 – 39.
\n35.
\nso the money she has in her account now = $35.<\/p>\n
Question 4.
\nBrian has 92 cm of rope. He cuts off a piece 49 cm long to tie a package.
\na. How much rope does Brian have left?<\/p>\n
Answer:
\nThe rope does Brain have left = 43 cm.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nBrian has 92 cm of rope.
\nHe cuts off a piece 49 cm long to tie a package.
\n92 – 49 = 43.
\nso the rope does Brain have left = 43 cm<\/p>\n
b. To tie a different package, Brian needs another piece of rope that is 8 cm shorter than the piece he just cut. Does he have enough rope left?<\/p>\n
Answer:
\nYes, he has enough rope.<\/p>\n
Explanation:
\nIn the above-given question,
\ngiven that,
\nTo tie a different package, Brain needs another piece of rope that is 8 cm shorter then the piece he just cut.
\n49 – 8 = 41.
\nhe has left = 43 cm.
\nso he has enough rope.<\/p>\n","protected":false},"excerpt":{"rendered":"
Add and Subtract Ones and Tens of the chapter of this Eureka Math Answers Grade 2 Chapter 3 help the students learn the essential lessons associated with the Numbers. By using Eureka Math Answers Grade 2 Chapter 3 Add and Subtract Ones and Tens, you can understand the topics of all the chapters easily. Thus … 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":[6],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/65225"}],"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=65225"}],"version-history":[{"count":1,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/65225\/revisions"}],"predecessor-version":[{"id":136420,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/65225\/revisions\/136420"}],"wp:attachment":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/media?parent=65225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/categories?post=65225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/tags?post=65225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}