## Engage NY Eureka Math 2nd Grade Module 8 Lesson 9 Answer Key

### Eureka Math Grade 2 Module 8 Lesson 9 Sprint Answer Key

A.

Subtraction Patterns

Question 1.

5 – 1 =

Answer: 4

Question 2.

15 – 1 =

Answer: 14

Question 3.

25 – 1 =

Answer: 24

Question 4.

75 – 1 =

Answer: 74

Question 5.

5 – 2 =

Answer: 3

Question 6.

15 – 2 =

Answer: 13

Question 7.

25 – 2 =

Answer: 23

Question 8.

75 – 2 =

Answer: 73

Question 9.

4 – 1 =

Answer: 3

Question 10.

40 – 10 =

Answer: 30

Question 11.

43 – 10 =

Answer: 33

Question 12.

43 – 20 =

Answer: 13

Question 13.

43 – 21 =

Answer: 22

Question 14.

43 – 23 =

Answer: 20

Question 15.

12 – 2 =

Answer: 10

Question 16.

62 – 2 =

Answer: 60

Question 17.

62 – 12 =

Answer: 50

Question 18.

18 – 8 =

Answer: 10

Question 19.

78 – 8 =

Answer: 70

Question 20.

78 – 18 =

Answer: 60

Question 21.

41 – 11 =

Answer: 30

Question 22.

92 – 12 =

Answer: 80

Question 23.

10 – 2 =

Answer: 8

Question 24.

11 – 2 =

Answer: 9

Question 25.

21 – 2 =

Answer: 19

Question 26.

31 – 2 =

Answer: 29

Question 27.

51 – 2 =

Answer: 49

Question 28.

51 – 12 =

Answer: 39

Question 29.

10 – 5 =

Answer: 5

Question 30.

11 – 5 =

Answer: 6

Question 31.

12 – 5 =

Answer: 7

Question 32.

22 – 5 =

Answer: 17

Question 33.

32 – 5 =

Answer: 27

Question 34.

62 – 5 =

Answer: 57

Question 35.

62 – 15 =

Answer: 47

Question 36.

72 – 15 =

Answer: 57

Question 37.

82 – 15 =

Answer: 67

Question 38.

32 – 15 =

Answer: 17

Question 39.

10 – 9 =

Answer: 1

Question 40.

11 – 9 =

Answer: 2

Question 41.

51 – 9 =

Answer: 42

Question 42.

51 – 10 =

Answer: 41

Question 43.

51 – 19 =

Answer: 32

Question 44.

65 – 46 =

Answer: 19

B.

Subtraction Patterns

Question 1.

4 – 1 =

Answer: 3

Question 2.

14 – 1 =

Answer: 13

Question 3.

24 – 1 =

Answer: 23

Question 4.

74 – 1 =

Answer: 73

Question 5.

5 – 3 =

Answer: 2

Question 6.

15 – 3 =

Answer: 12

Question 7.

25 – 3 =

Answer: 22

Question 8.

75 – 3 =

Answer: 72

Question 9.

3 – 1 =

Answer: 2

Question 10.

30 – 10 =

Answer: 20

Question 11.

32 – 10 =

Answer: 22

Question 12.

32 – 20 =

Answer: 12

Question 13.

32 – 21 =

Answer: 11

Question 14.

32 – 22 =

Answer: 10

Question 15.

15 – 5 =

Answer: 10

Question 16.

65 – 5 =

Answer: 60

Question 17.

65 – 15 =

Answer: 50

Question 18.

16 – 6 =

Answer: 10

Question 19.

76 – 6 =

Answer: 70

Question 20.

76 – 16 =

Answer: 60

Question 21.

51 – 11 =

Answer: 40

Question 22.

82 – 12 =

Answer: 70

Question 23.

10 – 5 =

Answer: 5

Question 24.

11 – 5 =

Answer: 6

Question 25.

21 – 5 =

Answer: 16

Question 26.

31 – 5 =

Answer: 26

Question 27.

51 – 5 =

Answer: 46

Question 28.

51 – 15 =

Answer: 36

Question 29.

10 – 9 =

Answer: 1

Question 30.

11 – 9 =

Answer: 2

Question 31.

12 – 9 =

Answer: 3

Question 32.

22 – 9 =

Answer: 13

Question 33.

32 – 9 =

Answer: 23

Question 34.

62 – 9 =

Answer: 53

Question 35.

62 – 19 =

Answer: 43

Question 36.

72 – 19 =

Answer: 53

Question 37.

82 – 19 =

Answer: 63

Question 38.

32 – 19 =

Answer: 13

Question 39.

10 – 2 =

Answer: 8

Question 40.

11 – 2 =

Answer: 9

Question 41.

51 – 2 =

Answer: 49

Question 42.

51 – 10 =

Answer: 41

Question 43.

51 – 12 =

Answer: 39

Question 44.

95 – 76 =

Answer: 19

### Eureka Math Grade 2 Module 8 Lesson 9 Problem Set Answer Key

Question 1.

Circle the shapes that have 2 equal shares with 1 share shaded.

Answer:

Question 2.

Shade 1 half of the shapes that are split into 2 equal shares. One has been done for you.

Answer:

Question 3.

Partition the shapes to show halves. Shade 1 half of each. Compare your halves to your partner’s.

a.

Answer:

b.

Answer:

### Eureka Math Grade 2 Module 8 Lesson 9 Exit Ticket Answer Key

Question 1.

Shade 1 half of the shapes that are split into 2 equal shares.

Answer:

### Eureka Math Grade 2 Module 8 Lesson 9 Homework Answer Key

Question 1.

Circle the shapes that have 2 equal shares with 1 share shaded.

Answer:

Question 2.

Shade 1 half of the shapes that are split into 2 equal shares. One has been done for you.

Answer:

Question 3.

Partition the shapes to show halves. Shade 1 half of each.

Answer: