## Engage NY Eureka Math 1st Grade Module 4 End of Module Assessment 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. Maria is having a party for 17 of her friends.
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. There are 11 red balloons
And 8 White balloons
Total number of balloons are
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. 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, _____
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. 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
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 _______. Ten more than 29 is 39
we get 39
10+29=39 d.10 less than 29 is ________. Ten less than 29 is 19
remove 10 to 29
we get 19
10-29=19 e.1 more than 29 is _______. 1 more than 29 is 30
we get 30
29+1=30 f.1 less than 29 is ________. 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 = ____
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