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: