## Engage NY Eureka Math 1st Grade Module 2 Lesson 10 Answer Key

### Eureka Math Grade 1 Module 2 Lesson 10 Problem Set Answer Key

Solve. Use number bonds or 5-group drawings if needed. Write the equal ten-plus number sentence.

Question 1.
4 + 9 = ___

10 + __ = __

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 aÂ  4 + 9 = 13 number sentence. Break four into two parts as three and one. ADD one with nine to make ten. ADD ten with three then we got thirteen.

Question 2.
6 + 8 = ___

10 + __ = __

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 a 6 + 8 = 14 number sentence. Break six into two parts as four and two. ADD two with eight to make ten. ADD ten with four then we got fourteen.

Question 3.
7 + 4 = ___

10 + __ = __

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 aÂ  7 + 4 = 11 number sentence. Break four into two parts as three and one. ADD three with seven to make ten. ADD ten with one then we got eleven.

Question 4.
Match the equal expressions.

Explanation:
a. In the above image we can observe 9 + 3 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break three into two parts as two and one. ADD one with nine to make ten. ADD ten with two then we got twelve. The equal expression for 9 + 3 is 10 + 2.
b. In the above image we can observe 5 + 8 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break five into two parts as two and three. ADD two with eight to make ten. ADD ten with three then we got thirteen. The equal expression for 5 + 8 is 10 + 3.
c. In the above image we can observe 9 + 6 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break six into two parts as five and one. ADD one with nine to make ten. ADD ten with five then we got fifteen. The equal expression for 9 + 6 is 10 + 5.
d. In the above image we can observe 8+ 9 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break eight into two parts as seven and one. ADD one with nine to make ten. ADD ten with seven then we got seventeen. The equal expression for 8+ 9 is 10 + 7.
e. In the above image we can observe 4 + 7 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break four into two parts as three and one. ADD three with seven to make ten. ADD ten with one then we got eleven. The equal expression for 4 + 7 is 10 + 1.
f. In the above image we can observe 6 + 8 expression. A number bond is a simple addition of two numbers that add up to give the sum. Break six into two parts as two and four. ADD two with eight to make ten. ADD ten with four then we got fourteen. The equal expression for 6 + 8 is 10 + 4.
Complete the addition sentences to make them true.

Question 5.
a.
9 + 2 = ___
9 + 2 = 11
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD nine with two then we got eleven.

b.
8 + 4 = ___
8 + 4 = 12
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD eight with four then we got twelve.

c.
7 + 5 = ___
7 + 5 = 12
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with five then we got twelve.

Question 6.
a.
9 + 5 = ___
9 + 5 = 14
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD nine with five then we got fourteen.

b.
8 + 3 = __
8 + 3 = 11
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD eight with three then we got eleven.

c.
7 + 6 = ___
7 + 6 = 13
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with six then we got thirteen.

Question 7.
a.
6 + 9 = ___
6 + 9 = 15
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD six with nine then we got fifteen.

b.
6 + 8 = ___
6 + 8 = 14
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD six with eight then we got fourteen.

c.
4 + 7 = ___
4 + 7 = 11
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD four with seven then we got eleven.

Question 8.
a.
7 + 9 = ___
7 + 9 = 16
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with nine then we got sixteen.

b.
5 + 8 = ___
5 + 8 = 13
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD five with eight then we got thirteen.

c.
7 + 7 = ___
7 + 7 = 14
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with seven then we got fourteen.

Question 9.
a.
9 + ___ = 17
9 + 8 = 17
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD nine with eight then we got seventeen.

b. 8 + ___ = 16
8 + 8 = 16
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD eight with eight then we got sixteen.

c. 7 + ___ = 16

7 + 9 = 16
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with nine then we got sixteen.

Question 10.
a.
___ + 9 = 15
6 + 9 = 15
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD six with nine then we got fifteen.

b.
___ + 8 = 15
7 + 8 =15
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD seven with eight then we got fifteen.

c.
___ + 7 = 17
10 + 7 = 17
Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with seven then we got seventeen.

### Eureka Math Grade 1 Module 2 Lesson 10 Exit Ticket Answer Key

Solve. Use number bonds or 5-group drawings if needed. Write the equal ten-plus number sentence.

a. 9 + 5 = ___

10 + __ = ___

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 aÂ  9 + 5 = 14 number sentence. Break five into two parts as four and one. ADD one with nine to make ten. ADD ten with four then we got fourteen.

b. 8 + 4 = ___

10 + __ = ___

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 aÂ  8 + 4 = 12 number sentence. Break four into two parts as two and two. ADD two with eight to make ten. ADD ten with two then we got twelve.

c. 7 + 6 = ___

10 + __ = ___

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 aÂ  7 + 6 = 13 number sentence. Break six into two parts as three and three. ADD three with seven to make ten. ADD ten with three then we got thirteen.

### Eureka Math Grade 1 Module 2 Lesson 10 Homework Answer Key

Solve. Match the number sentence to the ten-plus number bond that helped you solve the problem. Write the ten-plus number sentence.

Question 1.
8 + 6 = 14Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â

Question 2.
7 + 5 = 12Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â

Question 3.
5 + 8 =13Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â

Question 4.
4 + 7 = 11Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â

Question 5.
6 + 9 = 15Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â

Explanation:
1. In the above image we can observe 8 + 6 = 14 number sentence. A number bond is a simple addition of two numbers that add up to give the sum. Break six into two parts as two and four. ADD two with eight to make ten. ADD ten with four which results fourteen. The number bond fourteen can be written as 10 and 4. The ten plus number sentence is 10+ 4 = 14.
2. In the above image we can observe 7 + 5 = 12 number sentence. A number bond is a simple addition of two numbers that add up to give the sum. Break five into two parts as two and three. ADD three with seven to make ten. ADD ten with two which results twelve. The number bond twelve can be written as 10 and 2. The ten plus number sentence is 10 + 2 = 12.
3. In the above image we can observe 5 + 8 = 13 number sentence. A number bond is a simple addition of two numbers that add up to give the sum. Break five into two parts as two and three. ADD two with eight to make ten. ADD ten with three which results thirteen. The number bond thirteen can be written as 10 and 3. The ten plus number sentence is 10+ 3 = 13.
4. In the above image we can observe 4 + 7 = 11 number sentence. A number bond is a simple addition of two numbers that add up to give the sum. Break four into two parts as three and one. ADD three with seven to make ten. ADD ten with one which results eleven. The number bond eleven can be written as 10 and 1. The ten plus number sentence is 10+ 1 = 11.
5. In the above image we can observe 6 + 9 = 15 number sentence. A number bond is a simple addition of two numbers that add up to give the sum. Break six into two parts as one and five. ADD one with nine to make ten. ADD ten with five which results fifteen. The number bond fifteen can be written as 10 and 5. The ten plus number sentence is 10+ 5 = 15.

Complete the number sentences so they equal the given number bond.

Question 6.

9 + ___ = 12
8 + ___ = 12
7 + ___ = 12

9 + 3 = 12
8 + 4 = 12
7 + 5 = 12
Explanation:
The number sentence 9 + 3 = 12 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. Break three into two parts as one and two. ADD nine with one to make ten. ADD ten with two then we got twelve which equals to the above given number bond.
The number sentence 8 + 4 = 12 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. Break four into two parts as two and two. ADD eight with two to make ten. ADD ten with two then we got twelve which equals to the above given number bond.
The number sentence 7 + 5 = 12 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. Break five into two parts as three and two. ADD seven with three to make ten. ADD ten with two then we got twelve which equals to the above given number bond.

Question 7.

9 + ___ = 13
8 + ___ = 13
7 + ___ = 13

9 + 4 = 13
8 + 5 = 13
7 + 6 = 13
Explanation:
The number sentence 9 + 4 = 13 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. Break four into two parts as one and three. ADD nine with one to make ten. ADD ten with three then we got thirteen which equals to the above given number bond.
The number sentence 8 + 5 = 13 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. Break five into two parts as three and two. ADD eight with two to make ten. ADD ten with three then we got thirteen which equals to the above given number bond.
The number sentence 7 + 6 = 13 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. Break six into two parts as three and three. ADD seven with three to make ten. ADD ten with three then we got thirteen which equals to the above given number bond.

Question 8.

9 + ___ = 14
8 + ___ = 14
7 + ___ = 14

9 + 5 = 14
8 + 6 = 14
7 + 7 = 14
Explanation:
The number sentence 9 + 5 = 14 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. Break five into two parts as one and four. ADD nine with one to make ten. ADD ten with four then we got fourteen which equals to the above given number bond.
The number sentence 8 + 6 = 14 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. Break six into two parts as two and four. ADD eight with two to make ten. ADD ten with four then we got fourteen which equals to the above given number bond.
The number sentence7 + 7 = 14 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. Break seven into two parts as three and four. ADD seven with three to make ten. ADD ten with four then we got fourteen which equals to the above given number bond.
Question 9.

15 = 9 + ___
___ = 8 + ___
___ = 7 + ___

15= 9 + 6
15 = 8 + 7
15 = 7 + 8
Explanation:
The number sentence 15 = 9 + 6 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. Break six into two parts as one and five. ADD nine with one to make ten. ADD ten with five then we got fifteen which equals to the above given number bond.
The number sentence 15 = 8 + 7 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. Break seven into two parts as two and five. ADD eight with two to make ten. ADD ten with five then we got fifteen which equals to the above given number bond.
The number sentence 15 = 7 + 8 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. Break seven into two parts as two and five. ADD eight with two to make ten. ADD ten with five then we got fifteen which equals to the above given number bond.

Question 10.

16 = 9 + ___
___ = 8 + ___
7 + ___ = ___

16 = 9 +7
16 = 8 + 8
7 + 9 = 16
Explanation:
The number sentence 16 = 9 + 7 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. Break seven into two parts as one and six. ADD nine with one to make ten. ADD ten with six then we got sixteen which equals to the above given number bond.
The number sentence 16 = 8+ 8 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. Break eight into two parts as two and six. ADD eight with two to make ten. ADD ten with six then we got sixteen which equals to the above given number bond.
The number sentence 7 + 9 = 16 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. Break seven into two parts as one and six. ADD nine with one to make ten. ADD ten with six then we got sixteen which equals to the above given number bond.

Question 11.

___ = 9 + 8
___ = 8 + ___
___ = 7 + ___