## Engage NY Eureka Math 1st Grade Module 4 Lesson 27 Answer Key

### Eureka Math Grade 1 Module 4 Lesson 27 Problem Set Answer Key

Question 1.

Solve using number bonds with pairs of number sentences. You may draw quick tens and some ones to help you.

a. 19 + 12 = ____

b. 18 + 12 = ____

c. 19 + 13 = ____

d. 18 + 14 = ____

e. 17 + 14 = ____

f. 17 + 17 = ____

g. 18 + 17 = ____

h. 18 + 19 = ____

Answer:

a. 19 + 12 = 31

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

19 and 12 are the parts of the sum and 31 is the whole part.

b. 18 + 12 = 30

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

18 and 12 are the parts of the sum and 30 is the whole part.

c. 19 + 13 = 32

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

19 and 13 are the parts of the sum and 32 is the whole part.

d. 18 + 14 = 32

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

18 and 14 are the parts of the sum and 32 is the whole part.

e. 17 + 14 = 31

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

17 and 17 are the parts of the sum and 31 is the whole part.

f. 17 + 17 = 34

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

17 and 17 are the parts of the sum and 34 is the whole part.

g. 18 + 17 = 35

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

18 and 17 are the parts of the sum and 35 is the whole part.

h. 18 + 19 = 37

A number bond is a simple addition of two numbers that add up to give the sum. Number bonds help us to understand that a whole number is made up of parts.

18 and 19 are the parts of the sum and 37 is the whole part.

Question 2.

Solve. You may draw quick tens and some ones to help you.

a. 19 + 12 = ____

b. 18 + 13 = ____

c. 19 + 13 = ____

d. 18 + 15 = ____

e. 19 + 16 = ____

f. 15 + 17 = ____

g. 19 + 19 = ____

h. 18 + 18 = ____

Answer:

a. 19 + 12 = 31

Straight line indicates tens and x indicate ones.

b. 18 + 13 = 31

Straight line indicates tens and x indicate ones.

c. 19 + 13 = 32

Straight line indicates tens and x indicate ones.

d. 18 + 15 = 33

Straight line indicates tens and x indicate ones.

e. 19 + 16 = 35

Straight line indicates tens and x indicate ones.

f. 15 + 17 = 32

Straight line indicates tens and x indicate ones.

g. 19 + 19 = 38

Straight line indicates tens and x indicate ones.

h. 18 + 18 = 36

Straight line indicates tens and x indicate ones.

### Eureka Math Grade 1 Module 4 Lesson 27 Exit Ticket Answer Key

Solve using number bonds with pairs of number sentences. You may draw quick tens and some ones to help you.

a. 16 + 15 = ____

b. 17 + 13 = ____

c. 16 + 16 = ____

d. 17 + 15 = ____

Answer:

a. 16 + 15 = 31

b. 17 + 13 = 30

c. 16 + 16 = 32

d. 17 + 15 = 32

### Eureka Math Grade 1 Module 4 Lesson 27 Homework Answer Key

Question 1.

Solve using number bonds with pairs of number sentences. You may draw quick tens and some ones to help you.

a. 17 + 14 = ____

b. 16 + 15 = ____

c. 17 + 15 = ____

d. 18 + 13 = ____

e. 18 + 15 = ____

f. 18 + 16 = ____

g. 19 + 15 = ____

h. 19 + 16 = ____

Answer:

a. 17 + 14 = 31

b. 16 + 15 = 31

c. 17 + 15 = 32

d. 18 + 13 = 31

e. 18 + 15 = 33

f. 18 + 16 = 34

g. 19 + 15 = 34

h. 19 + 16 = 35

Question 2.

Solve. You may draw quick tens and some ones to help you.

a. 19 + 14 = ____

b. 19 + 17 = ____

c. 18 + 17 = ____

d. 16 + 16 = ____

e. 17 + 14 = ____

f. 15 + 16 = ____

g. 19 + 19 = ____

h. 18 + 18 = ____

Answer:

a. 19 + 14 = ____

Straight line indicates tens and x indicate ones.

b. 19 + 17 = ____

Straight line indicates tens and x indicate ones.

c. 18 + 17 = 35

Straight line indicates tens and x indicate ones.

d. 16 + 16 = ____

Straight line indicates tens and x indicate ones.

e. 17 + 14 = ____

Straight line indicates tens and x indicate ones.

f. 15 + 16 = ____

Straight line indicates tens and x indicate ones.

g. 19 + 19 = 38

Straight line indicates tens and x indicate ones.

h. 18 + 18 = 36

Straight line indicates tens and x indicate ones.