## Engage NY Eureka Math 1st Grade Module 4 End of Module Assessment Answer Key

### Eureka Math Grade 1 Module 4 End of Module Assessment Task Answer Key

Question 1.

Use the RDW process to solve the following problems. Write the answer in the place value chart.

a. Maria is having a party for 17 of her friends. She already invited some friends. She has 12 more invitations to send. How many friends has she already invited?

Maria already invited _________ friends.

Answer: 5

Maria is having a party for 17 of her friends.

She already invited some friend

She has 12 more invitations to send

By removing 12 from 7 we get 5

17+12=5

Maria already invited 5 of her friends.

b. Maria bought 11 red balloons and 8 white balloons. How many balloons did she buy?

Maria bought _________ balloons.

Answer:19

There are 11 red balloons

And 8 White balloons

Total number of balloons are

Add 11 with 8

we get 19

11+8=19

c. Maria had 17 friends at her party. Some of them went outside to see the piñata. There were 4 friends remaining in the room. How many friends went outside?

___________ friends went outside.

Answer:13

There were 17 friends in the party

When few went outside to see the pinata. Only 4 were remaining in the room

remove 4 from 17 we get 13

17-4=13

total 13 friends went out to see pinata

Question 2.

Fill in the missing numbers in each sequence:

a. 27, 28, _____, _____, _____, 32

b. _____, 17, _____, 19, _____

Answer:

a.27,28,29,30,31,32

b.16,17,18,19,20

Question 3.

a. Mark says that 34 is the same as 2 tens and 14 ones. Suki says that 34 is the same as 34 ones. Are they correct? Explain your thinking.

Answer:

b. Use <, =, or > to compare the pairs of numbers.

i. 3 tens 25 ones

ii. 1 tens 14 ones 2 tens 4 ones

iii. 33 2 tens 12 ones

iv. 26 1 ten 25 ones

Answer:

i. 3 tens 25 ones

ii. 1 tens 14 ones 2 tens 4 ones

iii. 33 2 tens 12 ones

iv. 26 1 ten 25 ones

c. Find the mystery numbers. Use the place value charts to show how you know.

10 more than 29 is _______.

Answer:39

Ten more than 29 is 39

add 10 to 29

we get 39

10+29=39

d.10 less than 29 is ________.

Answer:19

Ten less than 29 is 19

remove 10 to 29

we get 19

10-29=19

e.1 more than 29 is _______.

Answer:30

1 more than 29 is 30

Add 1 to 29

we get 30

29+1=30

f.1 less than 29 is ________.

Answer:28

1 less than 29 is 28

remove 1 to 29

we get 28

29-1=28

Question 4.

Solve for each unknown number. Use the space provided to draw quick tens, a number bond, or the arrow way to show your work. You may use your kit of ten-sticks if needed.

a. 18 + 3 = ____

b. 28 + 10 = ____

c. 40 – 30 = ____

d. 28 + 2 = ____

e. 28 + 6 = ____

f. 28 + 12 = ____

g. 15 + 15 = ____

h. 19 + 14 = ____

i. 16 + 18 = ____

Answer:

a. 21

Given two numbers are 18 and 3

by adding 18 with 3 we get 21

18+3=21

b. 38_

Given two numbers are 28 and 10

by adding 28 with 10 we get38

28+10=30

c.10

Given two numbers are 40 and 30

by removing 30 from 40 we get 10

40+30=10

d. 30

Given two numbers are 28 and 2

by adding 28 with 2 we get 30

28+2=30

e. 34

Given two numbers are 28 and 6

by adding 28 with 6 we get 34

28+6=34

f. 40

Given two numbers are 28 and 12

by adding 28 with 12 we get 40

28+12=40

g. 30

Given two numbers are 15 and 15

by adding 15 with 15 we get 30

15+15=30

h. 33

Given two numbers are 19 and 14

by adding 19 with 14 we get 33

19+14=33

i. 34

Given two numbers are 16 and 18

by adding 16 with 18 we get 34

16+18=34