## Engage NY Eureka Math 1st Grade Module 1 Lesson 33 Answer Key

A

Question 1.
3 + 1 =
Explination:
3 + 1 = 4

Question 2.
4 + 1 =
Explination:
4 + 1 = 5

Question 3.
5 + 1 =
Explination:
5 + 1 = 6

Question 4.
9 + 1 =
Explination:
9 + 1 = 7

Question 5.
6 + 1 =
Explination:
6 + 1 = 8

Question 6.
8 + 1 =
Explination:
8 + 1 = 9

Question 7.
2 + 1 =
Explination:
2 + 1 =3

Question 8.
7 + 1 =
Explination:
7 + 1 = 8

Question 9.
1 + 7 =
Explination:
1 + 7 = 8

Question 10.
1 + 9 =
Explination:
1 + 9 = 10

Question 11.
1 + 6 =
Explination:
1 + 6 = 7

Question 12.
2 + 2 =
Explination:
2 + 2 = 4

Question 13.
3 + 2 =
Explination:
3 + 2 = 5

Question 14.
4 + 2 =
Explination:
4 + 2 = 6

Question 15.
8 + 2 =
Explination:
8 + 2 = 10

Question 16.
5 + 2 =
Explination:
5 + 2 = 7

Question 17.
6 + 2 =
Explination:
6 + 2 = 8

Question 18.
7 + 2 =
Explination:
7 + 2 = 9

Question 19.
2 + 7 =
Explination:
2 + 7 = 9

Question 20.
2 + 8 =
Explination:
2 + 8 = 10

Question 21.
2 + 5 =
Explination:
2 + 5 = 7

Question 22.
2 + 6 =
Explination:
2 + 6 = 8

Question 23.
1 + 2 =
Explination:
1 + 2 = 3

Question 24.
3 + 6 =
Explination:
3 + 6 = 9

Question 25.
1 + 8 =
Explination:
1 + 8 = 9

Question 26.
2 + 3 =
Explination:
2 + 3 = 5

Question 27.
1 + 4 =
Explination:
1 + 4 = 5

Question 28.
2 + 4 =
Explination:
2 + 4 = 6

Question 29.
1 + 3 =
Explination:
1 + 3 = 4

Question 30.
1 + 5 =
Explination:
1 + 5 = 6

Question 31.
3 + 3 =
Explination:
3 + 3 = 6

Question 32.
4 + 3 =
Explination:
4 + 3 = 7

Question 33.
5 + 3 =
Explination:
5 + 3 = 8

Question 34.
6 + 3 =
Explination:
6 + 3 = 9

Question 35.
7 + 3 =
Explination:
7 + 3 =10

Question 36.
3 + 7 =
Explination:
3 + 7 = 10

Question 37.
3 + 4 =
Explination:
3 + 4 = 7

Question 38.
3 + 5 =
Explination:
3 + 5 = 8

Question 39.
4 + 4 =
Explination:
4 + 4 = 8

Question 40.
5 + 4 =
Explination:
5 + 4 = 9

Question 41.
6 + 4 =
Explination:
6 + 4 = 10

Question 42.
4 + 6 =
Explination:
4 + 6 = 10

Question 43.
4 + 5 =
Explination:
4 + 5 = 9

Question 44.
5 + 5 =
Explination:
5 + 5 = 10

B

Question 1.
2 + 1 =
Explination:
2 + 1 = 3

Question 2.
3 + 1 =
Explination:
3 + 1 = 4

Question 3.
4 + 1 =
Explination:
4 + 1 = 5

Question 4.
8 + 1 =
Explination:
8 + 1 = 9

Question 5.
5 + 1 =
Explination:
5 + 1 = 6

Question 6.
7 + 1 =
Explination:
7 + 1 = 8

Question 7.
9 + 1 =
Explination:
9 + 1 = 10

Question 8.
6 + 1 =
Explination:
6 + 1 = 7

Question 9.
1 + 6 =
Explination:
1 + 6 = 7

Question 10.
1 + 9 =
Explination:
1 + 9 = 10

Question 11.
1 + 7 =
Explination:
1 + 7 = 8

Question 12.
2 + 2 =
Explination:
2 + 2 = 4

Question 13.
3 + 2 =
Explination:
3 + 2 = 5

Question 14.
4 + 2 =
Explination:
4 + 2 = 6

Question 15.
7 + 2 =
Explination:
7 + 2 = 9

Question 16.
5 + 2 =
Explination:
5 + 2 = 7

Question 17.
8 + 2 =
Explination:
8 + 2 = 10

Question 18.
6 + 2 =
Explination:
6 + 2 = 8

Question 19.
2 + 6 =
Explination:
2 + 6 = 8

Question 20.
2 + 8 =
Explination:
2 + 8 = 10

Question 21.
2 + 5 =
Explination:
2 + 5 = 7

Question 22.
2 + 7 =
Explination:
2 + 7 = 9

Question 23.
1 + 8 =
Explination:
1 + 8 = 9
Question 24.
3 + 7 =
Explination:
3 + 7 = 10

Question 25.
1 + 5 =
Explination:
1 + 5 = 6

Question 26.
2 + 4 =
Explination:
2 + 4 = 6

Question 27.
1 + 4 =
Explination:
1 + 4 = 5

Question 28.
2 + 3 =
Explination:
2 + 3 = 5

Question 29.
1 + 3 =
Explination:
1 + 3 = 4

Question 30.
1 + 2 =
Explination:
1 + 2 = 3

Question 31.
3 + 3 =
Explination:
3 + 3 = 6

Question 32.
4 + 3 =
Explination:
4 + 3 = 7

Question 33.
5 + 3 =
Explination:
5 + 3 = 8

Question 34.
7 + 3 =
Explination:
7 + 3 = 10

Question 35.
6 + 3 =
Explination:
6 + 3 = 9

Question 36.
3 + 6 =
Explination:
3 + 6 = 9

Question 37.
3 + 5 =
Explination:
3 + 5 = 8

Question 38.
3 + 4 =
Explination:
3 + 4 = 7

Question 39.
4 + 4 =
Explination:
4 + 4 = 8

Question 40.
5 + 4 =
Explination:
5 + 4 = 9

Question 41.
6 + 4 =
Explination:
6 + 4 = 10

Question 42.
4 + 6 =
Explination:
4 + 6 = 10

Question 43.
4 + 5 =
Explination:
4 + 5 = 9

Question 44.
5 + 5 =
Explination:
5 + 5 = 10

### Eureka Math Grade 1 Module 1 Lesson 33 Problem Set Answer Key

Cross off, when needed, to subtract.

Question 1.

6 â€“ 1 = ___
6 – 1 = 5

Question 2.

6 â€“ 0 = ___
6 – 0 =6

If you want, make a 5-group drawing for each problem like the ones above. Show the subtraction.

Question 3.

7 – 1 = __
Explination:
7 – 1 = 6

Question 4.

7 – 0 = ___
Explination:
7 – 0 = 7

Question 5.

10 â€“ 1 = ___
Explination:
10-1=9

Question 6.

10 â€“ 0 = ___
Explination:
10-0=10

Question 7.

8 â€“ 1 = ___
Explination:
8-1=7

Question 8.

7 – 0 = ______
Explination:
7 – 0 = 7

Question 9.

9 – 1 = ___
Explination:
9 – 1 = 8

Question 10.

9 â€“ 0 = ___
Explination:
9 â€“ 0 = 9

Cross off, when needed, to subtract.

Question 11.

6 – 1 = ___
Answer: 6 – 1 = 5

Question 12.

8 – 1 = __
Answer: 8 – 1 = 7

Question 13.

9 – 0 = __
Answer: 9 – 0 = 9

Subtract.

Question 14.
7 â€“ 1 = ___
Explination:
7-1=6

Question 15.
8 â€“ 0 = ___
Explination:
8 – 0=8

Question 16.
9 â€“ 1 = ___
Explination:
9-1=8

Question 17.
a. 6 â€“ 0 = ___

b. 6 â€“ 1 = ___

c. 7 â€“ ___ = 7

d. 7 â€“ 1 = ___

e. 8 â€“ 0 = ___

f. 8 â€“ ___ = 7

g. 9 â€“ ___ = 9

h. 9 â€“ 1 = ___

i. 10 â€“ ___ = 10

j. 10 â€“ ___ = 9

a. 6 â€“ 0 = 6

b. 6 â€“ 1 = 5

c. 7 â€“ 0 = 7

d. 7 â€“ 1 = 6

e. 8 â€“ 0 = 8

f. 8 â€“ 1 = 7

g. 9 â€“ 0 = 9

h. 9 â€“ 1 = 8

i. 10 â€“ 0 = 10

j. 10 â€“ 1 = 9

### Eureka Math Grade 1 Module 1 Lesson 33 Exit Ticket Answer Key

Complete the number sentences. If you want, use 5-group drawings to show the subtraction.

Question 1.

9 – 1 = __
Explination:
9 – 1 = 8

Question 2.
8 = ___ â€“ 0
Explination:
8 = 8 – 0

Question 3.
8 = __ – 1
Explination:
8 = 9 – 1

Question 4.
10 = 10 – __
Explination:
10 = 10 – 0

### Eureka Math Grade 1 Module 1 Lesson 33 Homework Answer Key

Show the subtraction. If you want, use a 5-group drawing for each problem.

Question 1.
9 â€“ 1 = ___
Explination:
9-1=8

Question 2.

9 â€“ 0 = _____
Explination:
9-0=9

Question 3.
6 â€“ ___ = 6
Explination:
6-0=6

Question 4.
6 = 7 â€“ ____
Explination:
6=7-1

Show the subtraction. If you want, use a 5-group drawing like the model for each problem.

Question 5.

9 â€“ ___ = 9
Explination:
9-0=9

Question 6.

8 = 8 â€“ ____
Explination:
8=8-0

Question 7.

10 â€“ ___ = 9
Explination:
10-1=9

Question 8.

7 â€“ ___ = 7
Explination:
7 -0 = 7

Write the subtraction number sentence to match the 5-group drawing.

Question 9.

___ â€“ ___ = ___
6 – 1 = 5

Question 10.

__ â€“ ___ = ___
7 – 0 = 7

Question 11.

___ â€“ ___ = ___
8 – 1 = 8

Question 12.

___ â€“ ___ = ___
9 – 0 = 9

Question 13.

___ â€“ ___ = ___
8 -1 =7

Question 14.
a. 7 â€“ ___ = 6

b. 0 = 7 â€“ ____

c. 8 â€“ ___ = 7

d. 6 â€“ ___ = 5

e. 8 = 9 â€“ ____

f. 9 = 10 â€“ ____

g. 10 â€“ ___ = 10

h. 9 â€“ ___ = 8
a. 7 â€“1 = 6

b. 0 = 7 â€“ 0

c. 8 â€“1= 7

d. 6 â€“ 1= 5

e. 8 = 9 â€“ 1

f. 9 = 10 â€“ 1

g. 10 â€“ 0 = 10

h. 9 â€“ 1 = 8

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