## Engage NY Eureka Math 1st Grade Module 2 Lesson 8 Answer Key

### Eureka Math Grade 1 Module 2 Lesson 8 Sprint Answer Key

A

*Write the missing number.

Answer:

Question 1.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 2.

10 + 1 = ☐

Answer:

10 + 1 = 11

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and one results eleven. The missing number is eleven.

Question 3.

9 + 2 = ☐

Answer:

9 + 2 = 11

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and two results eleven. The missing number is eleven.

Question 4.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together and their sum. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 5.

10 + 2 = ☐

Answer:

10 + 2 = 12

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and two results twelve. The missing number is twelve.

Question 6.

9 + 3 = ☐

Answer:

9 + 3 = 12

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and three results twelve. The missing number is twelve.

Question 7.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 8.

10 + 4 = ☐

Answer:

10 + 4 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and four results fourteen. The missing number is fourteen.

Question 9.

9 + 5 = ☐

Answer:

9 + 5 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and five results fourteen. The missing number is fourteen.

Question 10.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 11.

10 + 6 = ☐

Answer:

10 + 6 = 16

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and six results sixteen. The missing number is sixteen.

Question 12.

9 + 7 = ☐

Answer:

9 + 7 = 16

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and seven results sixteen. The missing number is sixteen.

Question 13.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 14.

10 + 8 = ☐

Answer:

10 + 8 = 18

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and eight results eighteen. The missing number is eighteen.

Question 15.

9 + 9 = ☐

Answer:

9 + 9 = 18

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and nine results eighteen. The missing number is eighteen.

Question 16.

9 + 5 = ☐

Answer:

9 + 5 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and five results fourteen. The missing number is fourteen.

Question 17.

9 + 6 = ☐

Answer:

9 + 6 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. The missing number is fifteen.

Question 18.

6 + 9 = ☐

Answer:

6 + 9 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers six and nine results fifteen. The missing number is fifteen.

Question 19.

9 + 4 = ☐

Answer:

9 + 4 = 13

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and four results thirteen. The missing number is thirteen.

Question 20.

4 + 9 = ☐

Answer:

4 + 9 = 13

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers four and nine results thirteen. The missing number is thirteen.

Question 21.

9 + 8 = ☐

Answer:

9 + 8 = 17

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and eight results seventeen. The missing number is seventeen.

Question 22.

9 + 9 = ☐

Answer:

9 + 9 = 18

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and nine results eighteen. The missing number is eighteen.

Question 23.

9 + ☐ = 18

Answer:

9 + 9 = 18

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and nine results eighteen. The missing number is eighteen.

Question 24.

☐ + 6 = 15

Answer:

9 + 6 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. The missing number is nine.

Question 25.

☐ + 6 = 16

Answer:

10 + 6 = 16

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and six results sixteen. The missing number is ten. The missing number is ten.

Question 26.

13 = 9 + ☐

Answer:

13 = 9 +4

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and four results thirteen. The missing number is four.

Question 27.

17 = 8 + ☐

Answer:

17 = 8 + 9

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers eight and nine results seventeen. The missing number is nine.

Question 28.

10 + 2 = 9 + ☐

Answer:

10 + 2 = 9 + 3

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and two results twelve. Also by adding nine and three results twelve. The missing number is three.

Question 29.

9 + 5 = 10 + ☐

Answer:

9 + 5 = 10 + 4

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and five results fourteen. Also by adding ten and four results fourteen. The missing number is four.

Question 30.

☐ + 7 = 8 + 9

Answer:

10 + 7 = 8 + 9

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and seven results seventeen. Also by adding eight and nine results seventeen. The missing number is ten.

B

*Write the missing number.

Answer:

Question 1.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 2.

10 + 2 = ☐

Answer:

10 + 2 = 12

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and two results twelve. The missing number is twelve.

Question 3.

9 + 3 = ☐

Answer:

9 + 3 = 12

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and three results twelve. The missing number is twelve.

Question 4.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 5.

10 + 1 = ☐

Answer:

10 + 1 = 11

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and one results eleven. The missing number is eleven.

Question 6.

9 + 2 = ☐

Answer:

9 + 2 = 11

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and two results eleven. The missing number is eleven.

Question 7.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 8.

10 + 3 = ☐

Answer:

10 + 3 = 13

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and three results thirteen. The missing number is thirteen.

Question 9.

9 + 4 = ☐

Answer:

9 + 4 = 13

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and four results thirteen. The missing number is thirteen.

Question 10.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 11.

10 + 5 = ☐

Answer:

10 + 5 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and five results fifteen. The missing number is fifteen.

Question 12.

9 + 6 = ☐

Answer:

9 + 6 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. The missing number is fifteen.

Question 13.

9 + 1 = ☐

Answer:

9 + 1 = 10

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and one results ten. The missing number is ten.

Question 14.

10 + 4 = ☐

Answer:

10 + 4 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and four results fourteen. The missing number is fourteen.

Question 15.

9 + 5 = ☐

Answer:

9 + 5 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and five results fourteen. The missing number is fourteen.

Question 16.

5 + 9 = ☐

Answer:

5 + 9 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers five and nine results fourteen. The missing number is fourteen.

Question 17.

6 + 9 = ☐

Answer:

6 + 9 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers six and nine results fifteen. The missing number is fifteen.

Question 18.

9 + 6 = ☐

Answer:

9 + 6 = 15

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. The missing number is fifteen.

Question 19.

9 + 7 = ☐

Answer:

9 + 7 = 16

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and seven results sixteen The missing number is sixteen.

Question 20.

7 + 9 = ☐

Answer:

7 + 9 = 16

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers seven and nine results sixteen. The missing number is sixteen.

Question 21.

9 + 8 = ☐

Answer:

9 + 8 = 17

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and eight results seventeen. The missing number is seventeen.

Question 22.

9 + 9 = ☐

Answer:

9 + 9 = 18

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and nine results eighteen. The missing number is eighteen.

Question 23.

9 + ☐ = 17

Answer:

9 + 8 = 17

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and eight results seventeen. The missing number is seventeen.

Question 24.

☐ + 5 = 14

Answer:

9 + 5 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and five results fourteen. The missing number is fourteen.

Question 25.

☐ + 4 = 14

Answer:

10 + 4 = 14

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and four results fourteen. The missing number is fourteen.

Question 26.

15 = 9 + ☐

Answer:

15 = 9 + 6

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. The missing number is fifteen.

Question 27.

16 = 7 + ☐

Answer:

16 = 7 + 9

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers seven and nine results sixteen. The missing number is sixteen.

Question 28.

10 + 4 = 9 + ☐

Answer:

10 + 4 = 9 + 5

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and four results fourteen. Also by adding nine and five results fourteen. The missing number is five.

Question 29.

9 + 6 = 10 + ☐

Answer:

9 + 6 = 10 + 5

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers nine and six results fifteen. Also by adding ten and five results fifteen. The missing number is five.

Question 30.

☐ + 6 = 7 + 9

Answer:

10 + 6 = 7 + 9

Explanation:

An addition sentence is a mathematical expression that shows two or more values added together. By adding the above two numbers ten and six results sixteen. Also by adding seven and nine results sixteen. The missing number is ten.

### Eureka Math Grade 1 Module 2 Lesson 8 Problem Set Answer Key

to make ten. Write the 10+ number sentence and solve.

Question 1.

Tom only has 8 goldfish and 5 angelfish. How many fish does Tom have in all?

10 fish + ____ fish = _____ fish

Answer:

10 fish + 3 fish = 13 fish.

Explanation:

Tom only has 8 goldfish and 5 angelfish as we can observe in the above image. A number bond is a simple addition of two numbers that add up to give the sum. In the above image 5 angelfish can be divided into two parts as two and three. ADD eight goldfish with two angelfish in order to get ten fish. Draw a common circle for eight goldfish and two angelfish which results ten fish. ADD ten fish with three angelfish which results thirteen fish. Tom have thirteen fish in all.

Make ten by circling and solve.

Question 2.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe three can be divided into two parts as two and one. ADD two with eight in order to get ten. Draw a common circle for eight and two which results ten. ADD ten with one then we got eleven.

Question 3.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe four can be divided into two parts as two and two. ADD two with eight in order to get ten. Draw a common circle for two and eight which results ten. ADD ten with two then we got twelve.

Solve. Make math drawings using the ten-frame to show how you made ten to solve.

Question 4.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe four can be divided into two parts as two and two. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with two then we got twelve.

Question 5.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe six can be divided into two parts as four and two. ADD two with eight in order to get ten. Draw a common square for eight and two which results ten. ADD ten with four then we got fourteen.

Question 6.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe five can be divided into two parts as two and three. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with three then we got thirteen.

Solve. Use a number bond to show how you made a ten.

Question 7.

5 + 8 = ____

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe five can be divided into two parts as three and two. ADD two with eight which results ten. ADD ten with three then we got thirteen.

Question 8.

_____ = 8 + 7

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe seven can be divided into two parts as two and five. ADD two with eight which results ten. ADD ten with five then we got fifteen.

### Eureka Math Grade 1 Module 2 Lesson 8 Exit Ticket Answer Key

Make math drawings using the ten-frame to solve. Rewrite as a 10+ number sentence.

Question 1.

6 + 8 = ___

10 + __ = ___

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe six can be divided into two parts as four and two. ADD two with eight in order to get ten. Draw a common square for eight and two which results ten. ADD ten with four then we got fourteen.

Question 2.

___ = 4 + 8

__ + __ = ___

Answer:

10 + 2 = 12

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe four can be divided into two parts as two and two. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with two then we got twelve.

### Eureka Math Grade 1 Module 2 Lesson 8 Homework Answer Key

Solve. Make math drawings using the ten-frame to show how you made ten to solve.

Question 1.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe four can be divided into two parts as two and two. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with two then we got twelve.

Question 2.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe six can be divided into two parts as two and four. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with four then we got fourteen.

Question 3.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe seven can be divided into two parts as five and two. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with five then we got fifteen.

Question 4.

Make math drawings using ten-frames to solve. Circle the true number sentences.

Write an X to show number sentences that are not true.

a.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe four can be divided into two parts as two and two. ADD eight with two in order to get ten. Draw a common square for eight and two which results ten. ADD ten with two then we got twelve. The number sentence 8 + 4 = 10 + 2 is true. Draw a circle for 8 + 4 = 10 + 2 number sentence.

b.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe eight can be divided into two parts as two and six. ADD eight with two then we get ten. Draw a common square for eight and two which results ten. ADD ten with six then we got sixteen. The number sentence 10 + 6 = 8 + 8 is true. Draw a circle for 10 + 6 = 8 + 8 number sentence.

c.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe seven can be divided into two parts as five and two. ADD eight with two then we get ten. Draw a common square for eight and two which results ten. ADD ten with five then we got fifteen. The number sentence 7 + 8 = 10 + 6 is not true. Draw X for 7 + 8 = 10 + 6 number sentence.

d. 5 + 10 = 5 + 8

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe five can be divided into two parts as three and two. ADD eight with two then we get ten. Draw a common square for eight and two which results ten. ADD ten with three then we got thirteen. The number sentence 5 + 10 = 5 + 8 is not true. Draw X for 5 + 10 = 5 + 8 number sentence.

e. 2 + 10 = 8 + 3

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe three can be divided into two parts as one and two. ADD eight with two then we get ten. Draw a common square for eight and two which results ten. ADD ten with one then we got eleven. The number sentence 2 + 10 = 8 + 3 is not true. Draw X for 2 + 10 = 8 + 3 number sentence.

f. 8 + 9 = 10 + 7

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. In the above image we can observe eight can be divided into two parts as seven and one. ADD nine with one to get ten. Draw a common square for nine and one which results ten. ADD ten with seven then we got seventeen. The number sentence 8 + 9 = 10 + 7 is true. Draw a circle for 8 + 9 = 10 + 7 number sentence.