# Eureka Math Grade 1 Module 2 Lesson 9 Answer Key

## Engage NY Eureka Math 1st Grade Module 2 Lesson 9 Answer Key

### Eureka Math Grade 1 Module 2 Lesson 9 Problem Set Answer Key

Make ten to solve. Use a number bond to show how you took 2 out to make ten.
Ben has 8 green grapes and 3 purple grapes. How many grapes does he have? Ben has ___ grapes. Ben has 11 grapes.
Explanation:
Ben has 8 green grapes and 3 purple grapes. 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 purple grapes can be divided into two parts as one and two. ADD two purple grapes with eight green grapes in order to get ten. ADD ten grapes with one purple grape then we got eleven grapes. Ben has eleven grapes.

Question 2.  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. ADD ten with two then we got twelve.

Use number bonds to show your thinking. Write the 10+ fact.

Question 3.
8 + 5 = ____                                                     ____ + ____ = ____ 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 two with eight in order to get ten. ADD ten with three then we got thirteen.

Question 4.
8 + 7 = ____                                                     ____ + ____ = ____ 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 in order to get ten. ADD ten with five then we got fifteen.

Question 5.
4 + 8 = ____                                                     ____ + ____ = ____ 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. ADD ten with two then we got twelve.

Question 6.
7 + 8 = ____                                                     ____ + ____ = ____ 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 two with eight in order to get ten. ADD ten with five then we got fifteen.

Question 7.
8 + ____ = 17                                                   ____ + ____ = ____ 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 nine can be divided into two parts as two and seven. ADD two with eight in order to get ten. ADD ten with seven then we got seventeen.

Complete the addition sentences and number bonds.

Question 8.
a. 10 + 1 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with one which results eleven. 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 number bond of ten and one which results eleven.

b. 8 + 3 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe three can be divided into two parts as two and one. ADD eight with two which results ten. ADD ten with one which results eleven. 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 number bond of eight and three which results eleven.

Question 9.
a. 10 + 5 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with five which results fifteen. 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 number bond of ten and five which results fifteen.

b. 8 + 7 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe seven can be divided into two parts as two and five. ADD eight with two which results ten. ADD ten with five which results fifteen. 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 number bond of eight and seven which results fifteen.

Question 10.
a. 10 + 6 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with six which results sixteen. 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 number bond of ten and six which results sixteen.

b. 8 + 8 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe eight can be divided into two parts as two and six. ADD eight with two which results ten. ADD ten with six which results sixteen. 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 number bond of eight and eight which results sixteen.

Question 11.
a. 2 + 10 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD two with ten which results twelve. 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 number bond of two and ten which results twelve.

b. 4 + 8 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe four can be divided into two parts as two and two. ADD two with eight which results ten. ADD ten with two which results twelve. 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 number bond of four and eight which results twelve.

Question 12.
a. 4 + 10 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD four with ten which results fourteen. 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 number bond of four and ten which results fourteen.

b. 6 + 8 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe six can be divided into two parts as four and two. ADD two with eight which results ten. ADD ten with four which results fourteen. 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 number bond of six and eight which results fourteen.

### Eureka Math Grade 1 Module 2 Lesson 9 Exit Ticket Answer Key

Question 1.
Seyla has 3 stamps in her collection. Her father gives her 8 more stamps. How many stamps does she have now? Show how you make ten, and write the 10+ fact.  Explanation:
Seyla has 3 stamps in her collection. Her father gives her 8 more stamps. 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 two with eight which results ten. ADD ten with one then we got eleven. Seyla have eleven stamps.

Question 2.
Complete the addition sentences and the number bonds.

a. 8 + 6 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe six can be divided into two parts as two and four. ADD eight with two which results ten. ADD ten with four which results fourteen. 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 number bond of eight and six which results fourteen.

b. 10 + ___ = 14  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with four which results fourteen. 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 number bond of ten and four which results fourteen.

### Eureka Math Grade 1 Module 2 Lesson 9 Homework Answer Key

Use number bonds to show your thinking. Write the 10+ fact.

Question 1.
8 + 3 = ____ 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 three can be divided into two parts as two and one. ADD eight with two which results ten. ADD ten with one which results eleven.

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 six can be divided into two parts as four and two. ADD eight with two which results ten. ADD four with ten which results fourteen.

Question 3.
____ = 8 + 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 eight can be divided into two parts as two and six. ADD eight with two which results ten. ADD ten with six which results sixteen.

Question 4.
____ = 5 + 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 five can be divided into two parts as three and two. ADD two with eight which results ten. ADD ten with three which results thirteen.

Complete the addition sentences and the number bonds.

Question 5.
a. 7 + 8 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe seven can be divided into two parts as five and two. ADD eight with two which results ten. ADD ten with five which results fifteen. 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 number bond of seven and eight which results fifteen.

b. 10 + 5 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with five which results fifteen. 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 number bond of ten and five which results fifteen.

Question 6.
a. 16 = ___ + 8  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe eight can be divided into two parts as six and two. ADD eight with two which results ten. ADD ten with six which results sixteen. 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 number bond of eight and eight which results sixteen.

b. 10 + 6 = ___  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. ADD ten with six which results sixteen. 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 number bond of ten and six which results sixteen.

Question 7.
a. ___ = 9 + 8  Explanation:
An addition sentence is a mathematical expression that shows two or more values added together. In the above image we can observe nine can be divided into two parts as seven and two. ADD eight with two which results ten. ADD ten with seven which results seventeen. 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 number bond of nine and eight which results seventeen.

b. 10 + 7 = ___    