Refer to our Eureka 2nd Grade Module 4 Lesson 23 Answer Key Solve the problems. You can understand the concepts in-depth with the help of the Eureka Math Book Answers 2nd Grade solution Key. We provide the step by step explanations for all the questions by using the figures. You can easily understand the concepts in-depth with the help of the Eureka Math Answer Grade 2nd Module 4 Lesson.

## Engage NY Eureka Math 2nd Grade Module 4 Lesson 23 Answer Key

Students who feel difficulty in solving the problems can quickly understand the concepts with the help of our Eureka Math Book 2nd Grade Module 4 Lesson 23 Answer key. In order to excel in the exam, we suggest the students of 2nd standards refer to the Eureka Math Book 2nd Grade Module 4 Lesson 23 Answer key.

### Eureka Math Grade 2 Module 4 Lesson 23 Sprint Answer Key

A. Subtraction Patterns 10 – 1 = 9, 10 – 2 = 8, 20 – 2 = 18, 40 – 2 = 38, 10 – 2 = 8, 11 – 2 = 9, 21 – 2 = 19, 51 – 2 = 49, 10 – 3 = 7, 11 – 3 = 8, 21 – 3 = 18, 61 – 3 = 58, 10 – 4 = 6, 11 – 4 = 7, 21 – 4 = 17, 71 – 4 = 67, 10 – 5 = 5, 11 – 5 = 6, 21 – 5 = 16, 81 – 5 = 76, 10 – 6 = 4, 11 – 6 = 5, 21 – 6 = 15, 91 – 6 = 85, 10 – 7 = 3, 11 – 7 = 4, 31 – 7 = 24, 10 – 8 = 2, 11 – 8 = 3, 41 – 8 = 33, 10 – 9 = 1, 11 – 9 = 2, 51 – 9 = 42, 12 – 3 = 9, 82 – 3 = 79, 13 – 5 = 8, 73 – 5 = 68, 14 – 6 = 8, 84 – 6 = 78, 15 – 8 = 7, 95 – 8 = 87, 16 – 7 = 9, 46 – 7 = 39, 68 – 9 = 59.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 1 = 9, 10 – 2 = 8, 20 – 2 = 18, 40 – 2 = 38, 10 – 2 = 8, 11 – 2 = 9, 21 – 2 = 19, 51 – 2 = 49, 10 – 3 = 7, 11 – 3 = 8, 21 – 3 = 18, 61 – 3 = 58, 10 – 4 = 6, 11 – 4 = 7, 21 – 4 = 17, 71 – 4 = 67, 10 – 5 = 5, 11 – 5 = 6, 21 – 5 = 16, 81 – 5 = 76, 10 – 6 = 4, 11 – 6 = 5, 21 – 6 = 15, 91 – 6 = 85, 10 – 7 = 3, 11 – 7 = 4, 31 – 7 = 24, 10 – 8 = 2, 11 – 8 = 3, 41 – 8 = 33, 10 – 9 = 1, 11 – 9 = 2, 51 – 9 = 42, 12 – 3 = 9, 82 – 3 = 79, 13 – 5 = 8, 73 – 5 = 68, 14 – 6 = 8, 84 – 6 = 78, 15 – 8 = 7, 95 – 8 = 87, 16 – 7 = 9, 46 – 7 = 39, 68 – 9 = 59. Question 1.
10 – 1 = 9.

10 – 1 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 1 = 9.
9 + 1 = 10.

Question 2.
10 – 2 = 8.

10 – 2 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 2 = 8.
8 + 2 = 10.

Question 3.
20 – 2 = 18.

20 – 2 = 18.

Explanation:
In the above-given question,
given that,
subtract the numbers.
20 – 2 = 18.
18 + 2 = 20.

Question 4.
40 – 2 = 38.

40 – 2 = 38.

Explanation:
In the above-given question,
given that,
subtract the numbers.
40 – 2 = 38.
38 + 2 = 40.

Question 5.
10 – 2 = 8.

10 – 2 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 2 = 8.
8 + 2 = 10.

Question 6.
11 – 2 = 9.

11 – 2 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 2 = 9.
9 + 2 = 11.

Question 7.
21 – 2 = 19.

21 – 2 = 19.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 2 = 19.
19 + 2 = 21.

Question 8.
51 – 2 = 49.

51 – 2 = 49.

Explanation:
In the above-given question,
given that,
subtract the numbers.
51 – 2 = 49.
49 + 2 = 51.

Question 9.
10 – 3 = 7.

10 – 3 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 3 = 7.
7 + 3 = 10.

Question 10.
11 – 3 = 8.

11 – 3 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 3 = 8.
8 + 3 = 11.

Question 11.
21 – 3 = 18.

21 – 3 = 18.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 3 = 18.
18 + 3 = 21.

Question 12.
61 – 3 = 58.

61 – 3 = 58.

Explanation:
In the above-given question,
given that,
subtract the numbers.
61 – 3 = 58.
58 + 3 = 61.

Question 13.
10 – 4 = 6.

10 – 4 = 6.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 4 = 6.
6 + 4 = 10.

Question 14.
11 – 4 = 7.

11 – 4 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 4 = 7.
7 + 4 = 11.

Question 15.
21 – 4 = 17.

21 – 4 = 17.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 4 = 17.
17 + 4 = 21.

Question 16.
71 – 4 = 67.

71 – 4 = 67.

Explanation:
In the above-given question,
given that,
subtract the numbers.
71 – 4 = 67.
67 + 4 = 71.

Question 17.
10 – 5 = 5.

10 – 5 = 5.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 5 = 5.
5 + 5 = 10.

Question 18.
11 – 5 = 6.

11 – 5 = 6.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 5 = 6.
6 + 5 = 11.

Question 19.
21 – 5 = 16.

21 – 5 = 16.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 5 = 16.
16 + 5 = 21.

Question 20.
81 – 5 = 76.

81 – 5 = 76.

Explanation:
In the above-given question,
given that,
subtract the numbers.
81 – 5 = 76.
76 + 5 = 81.

Question 21.
10 – 6 = 4.

10 – 6 = 4.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 6 = 4.
4 + 6 = 10.

Question 22.
11 – 6 = 5.

11 – 6 = 5.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 6 = 5.
5 + 6 = 11.

Question 23.
21 – 6 = 15.

21 – 6 = 15.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 6 = 15.
15 + 6 = 21.

Question 24.
91 – 6 = 85.

91 – 6 = 85.

Explanation:
In the above-given question,
given that,
subtract the numbers.
91 – 6 = 85.
85 + 6 = 91.

Question 25.
10 – 7 = 3.

10 – 7 = 3.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 7 = 3.
3 + 7 = 10.

Question 26.
11 – 7 = 4.

11 – 7 = 4.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 7 = 4.
4 + 7 = 11.

Question 27.
31 – 7 = 24.

31 – 7 = 24.

Explanation:
In the above-given question,
given that,
subtract the numbers.
31 – 7 = 24.
24 + 7 = 31.

Question 28.
10 – 8 = 2.

10 – 8 = 2.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 8 = 2.
2 + 8 = 10.

Question 29.
11 – 8 = 3.

11 – 8 = 3.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 8 = 3.
3 + 8 = 11.

Question 30.
41 – 8 = 33.

41 – 8 = 33.

Explanation:
In the above-given question,
given that,
subtract the numbers.
41 – 8 = 33.
33 + 8 = 41.

Question 31.
10 – 9 = 1.

10 – 9 = 1.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 9 = 1.
9 + 1 = 10.

Question 32.
11 – 9 = 2.

11 – 9 = 2.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 9 = 2.
2 + 9 = 11.

Question 33.
51 – 9 = 42.

51 – 9 = 42.

Explanation:
In the above-given question,
given that,
subtract the numbers.
51 – 9 = 42.
42 + 9 = 51.

Question 34.
12 – 3 = 9.

12 – 3 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
12 – 3 = 9.
9 + 3 = 12.

Question 35.
82 – 3 = 79.

82 – 3 = 79.

Explanation:
In the above-given question,
given that,
subtract the numbers.
82 – 3 = 79.
79 + 3 = 82.

Question 36.
13 – 5 = 8.

13 – 5 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
13 – 5 = 8.
8 + 5 = 13.

Question 37.
73 – 5 = 68.

73 – 5 = 68.

Explanation:
In the above-given question,
given that,
subtract the numbers.
73 – 5 = 68.
68 + 5 = 73.

Question 38.
14 – 6 = 8.

14 – 6 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
14 – 6 = 8.
8 + 6 = 14.

Question 39.
84 – 6 = 78.

84 – 6 = 78.

Explanation:
In the above-given question,
given that,
subtract the numbers.
84 – 6 = 78.
78 + 6 = 84.

Question 40.
15 – 8 = 7.

15 – 8 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
15 – 8 = 7.
7 + 8 = 15.

Question 41.
95 – 8 = 87.

95 – 8 = 87.

Explanation:
In the above-given question,
given that,
subtract the numbers.
95 – 8 = 87.
87 + 8 = 95.

Question 42.
16 – 7 = 9.

16 – 7 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
16 – 7 = 9.
9 + 7 = 16.

Question 43.
46 – 7 = 39.

46 – 7 = 39.

Explanation:
In the above-given question,
given that,
subtract the numbers.
46 – 7 = 39.
39 + 7 = 46.

Question 44.
68 – 9 = 57.

68 – 9 = 57.

Explanation:
In the above-given question,
given that,
subtract the numbers.
68 – 9 = 57.
57 + 9 = 68.

B. Subtraction Patterns 10 – 2 = 8, 20 – 2 = 18, 30 – 2 = 28, 50 – 2 = 48, 10 – 2 = 8, 11 – 2 = 9, 21 – 2 = 19, 61 – 2 = 59, 10 – 3 = 7, 11 – 3 = 8, 21 – 3 = 18, 71 – 3 = 68, 10 – 4 = 6, 11 – 4 = 7, 21 – 4 = 17, 81 – 4 = 77, 10 – 5 = 5, 11 – 5 = 6, 21 – 5 = 16, 91 – 5 = 86, 10 – 6 = 4, 11 – 6 = 5, 21 – 6 = 15, 41 – 6 = 25, 10 – 7 = 3, 11 – 7 = 4, 51 – 7 = 47, 10 – 8 = 2, 11 – 8 = 3, 61 – 8 = 53, 10 – 9 = 1, 11 – 9 = 2, 31 – 9 = 22, 12 – 3 = 9, 92 – 3 = 83, 13 – 5 = 8, 43 – 5 = 38, 14 – 6 = 8, 64 – 6 = 58, 15 – 8 = 7, 85 – 8 = 77, 16 – 7 = 9, 76 – 7 = 69, 58 – 9 = 49.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 2 = 8, 20 – 2 = 18, 30 – 2 = 28, 50 – 2 = 48, 10 – 2 = 8, 11 – 2 = 9, 21 – 2 = 19, 61 – 2 = 59, 10 – 3 = 7, 11 – 3 = 8, 21 – 3 = 18, 71 – 3 = 68, 10 – 4 = 6, 11 – 4 = 7, 21 – 4 = 17, 81 – 4 = 77, 10 – 5 = 5, 11 – 5 = 6, 21 – 5 = 16, 91 – 5 = 86, 10 – 6 = 4, 11 – 6 = 5, 21 – 6 = 15, 41 – 6 = 25, 10 – 7 = 3, 11 – 7 = 4, 51 – 7 = 47, 10 – 8 = 2, 11 – 8 = 3, 61 – 8 = 53, 10 – 9 = 1, 11 – 9 = 2, 31 – 9 = 22, 12 – 3 = 9, 92 – 3 = 83, 13 – 5 = 8, 43 – 5 = 38, 14 – 6 = 8, 64 – 6 = 58, 15 – 8 = 7, 85 – 8 = 77, 16 – 7 = 9, 76 – 7 = 69, 58 – 9 = 49. Question 1.
10 – 2 = 8.

10 – 2 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 2 = 8.
8 + 2 = 10.

Question 2.
20 – 2 = 18.

20 – 2 = 18.

Explanation:
In the above-given question,
given that,
subtract the numbers.
20 – 2 = 18.
18 + 2 = 20.

Question 3.
30 – 2 = 28.

30 – 2 = 28.

Explanation:
In the above-given question,
given that,
subtract the numbers.
30 – 2 = 28.
28 + 2 = 30.

Question 4.
50 – 2 = 48.

50 – 2 = 48.

Explanation:
In the above-given question,
given that,
subtract the numbers.
50 – 2 = 48.
48 + 2 = 50.

Question 5.
10 – 2 = 8.

10 – 2 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 2 = 8.
8 + 2 = 10.

Question 6.
11 – 2 = 9.

11 – 2 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 2 = 9.
9 + 2 = 11.

Question 7.
21 – 2 = 19.

21 – 2 = 19.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 2 = 19.
19 + 2 = 21.

Question 8.
61 – 2 = 59.

61 – 2 = 59.

Explanation:
In the above-given question,
given that,
subtract the numbers.
61 – 2 = 59.
59 + 2 = 61.

Question 9.
10 – 3 = 7.

10 – 3 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 3 = 7.
7 + 3 = 10.

Question 10.
11 – 3 = 8.

11 – 3 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 3 = 8.
8 + 3 = 11.

Question 11.
21 – 3 = 18.

21 – 3 = 18.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 3 = 18.
18 + 3 = 21.

Question 12.
71 – 3 = 68.

71 – 3 = 68.

Explanation:
In the above-given question,
given that,
subtract the numbers.
71 – 3 = 68.
68 + 3 = 71.

Question 13.
10 – 4 = 6.

10 – 4 = 6.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 4 = 6.
6 + 4 = 10.

Question 14.
11 – 4 = 7.

11 – 4 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 4 = 7.
7 + 4 = 11.

Question 15.
21 – 4 = 17.

21 – 4 = 17.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 4 = 17.
17 + 4 = 21.

Question 16.
81 – 4 = 77.

81 – 4 = 77.

Explanation:
In the above-given question,
given that,
subtract the numbers.
81 – 4 = 77.
77 + 4 = 81.

Question 17.
10 – 5 = 5.

10 – 5 = 5.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 5 = 5.
5 + 5 = 10.

Question 18.
11 – 5 = 6.

11 – 5 = 6.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 5 = 6.
6 + 5 = 11.

Question 19.
21 – 5 = 16.

21 – 5 = 16.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 5 = 16.
16 + 5 = 21.

Question 20.
91 – 5 = 86.

91 – 5 = 86.

Explanation:
In the above-given question,
given that,
subtract the numbers.
91 – 5 = 86.
86 + 5 = 91.

Question 21.
10 – 6 = 4.

10 – 6 = 4.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 6 = 4.
4 + 6 = 10.

Question 22.
11 – 6 = 5.

11 – 6 = 5.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 6 = 5.
5 + 6 = 11.

Question 23.
21 – 6 = 15.

21 – 6 = 15.

Explanation:
In the above-given question,
given that,
subtract the numbers.
21 – 6 = 15.
15 + 6 = 21.

Question 24.
41 – 6 = 55.

41 – 6 = 55.

Explanation:
In the above-given question,
given that,
subtract the numbers.
41 – 6 = 55.
55 + 6 = 41.

Question 25.
10 – 7 = 3.

10 – 7 = 3.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 7 = 3.
3 + 7 = 10.

Question 26.
11 – 7 = 4.

11 – 7 = 4.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 7 = 4.
4 + 7 = 11.

Question 27.
51 – 7 = 44.

51 – 7 = 44.

Explanation:
In the above-given question,
given that,
subtract the numbers.
51 – 7 = 44.
44 + 7 = 51.

Question 28.
10 – 8 = 2.

10 – 8 = 2.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 8 = 2.
2 + 8 = 10.

Question 29.
11 – 8 = 3.

11 – 8 = 3.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 8 = 3.
3 + 8 = 11.

Question 30.
61 – 8 = 53.

61 – 8 = 53.

Explanation:
In the above-given question,
given that,
subtract the numbers.
61 – 8 = 53.
53 + 8 = 61.

Question 31.
10 – 9 = 1.

10 – 9 = 1.

Explanation:
In the above-given question,
given that,
subtract the numbers.
10 – 9 = 1.
1 + 9 = 10.

Question 32.
11 – 9 = 2.

11 – 9 = 2.

Explanation:
In the above-given question,
given that,
subtract the numbers.
11 – 2 = 9.
2 + 9 = 11.

Question 33.
31 – 9 = 22.

31 – 9 = 22.

Explanation:
In the above-given question,
given that,
subtract the numbers.
31 – 9 = 22.
22 + 9 = 31.

Question 34.
12 – 3 = 9.

12 – 3 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
12 – 3 = 9.
9 + 3 = 12.

Question 35.
92 – 3 = 89.

92 – 3 = 89.

Explanation:
In the above-given question,
given that,
subtract the numbers.
92 – 3 = 89.
89 + 3 = 92.

Question 36.
13 – 5 = 8.

13 – 5 = 8.

Explanation:
In the above-given question,
given that,
subtract the numbers.
13 – 5 = 8.
8 + 5 = 13.

Question 37.
43 – 5 = 38.

43 – 5 = 38.

Explanation:
In the above-given question,
given that,
subtract the numbers.
43 – 5 = 38.
38 + 5 = 43.

Question 38.
14 – 6 = 8.

14 – 9 = 8 .

Explanation:
In the above-given question,
given that,
subtract the numbers.
14 – 9 = 8.
8 + 9 = 14.

Question 39.
64 – 6 = 58.

64 – 6 = 58.

Explanation:
In the above-given question,
given that,
subtract the numbers.
64 – 6 = 58.
58 + 6 = 64.

Question 40.
15 – 8 = 7.

15 – 8 = 7.

Explanation:
In the above-given question,
given that,
subtract the numbers.
15 – 8 = 7.
7 + 8 = 15.

Question 41.
85 – 8 = 77.

85 – 8 = 77.

Explanation:
In the above-given question,
given that,
subtract the numbers.
85 – 8 = 77.
77 + 8 = 85.

Question 42.
16 – 7 = 9.

16 – 7 = 9.

Explanation:
In the above-given question,
given that,
subtract the numbers.
16 – 7 = 9.
9 + 7 = 16.

Question 43.
76 – 7 = 69.

76 – 7 = 69.

Explanation:
In the above-given question,
given that,
subtract the numbers.
76 – 7 = 69.
69 + 7 = 76.

Question 44.
58 – 9 =49.

58 – 9 = 49.

Explanation:
In the above-given question,
given that,
subtract the numbers.
58 – 9 = 49.
49 + 9 = 58.

### Eureka Math Grade 2 Module 4 Lesson 23 Problem Set Answer Key

Question 1.
Solve using number bonds to subtract from 100. The first one has been done for you.
a. 100 – 90 = 10
10 + 6 = 16

100 – 90 = 10.
10 + 6 = 16.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 90 = 10.
10 + 6 = 16.
106 – 90 = 16.

b. 116 – 90

100 – 90 = 10.
10 + 16 = 26.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 90 = 10.
10 + 16 = 26. c. 114 – 80

100 – 80 = 20.
20 + 14 = 34.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
20 + 14 = 34.
114 -80 = 34. d. 115 – 80

100 – 80 = 20.
15 + 20 = 35.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
15 + 20 = 35.
115 – 80 = 35. e. 123 – 70

100 – 70 = 30.
23 + 30 = 53.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 70 = 30.
23 + 30 = 53.
123 – 70 = 53. f. 127 – 60

100 – 60 = 40.
27 + 40 = 67.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 60 = 40.
27 + 40 = 67.
127 – 60 = 67. g. 119 – 50

100 – 50 = 50.
19 + 50 = 69.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 50 = 50.
19 + 50 = 69.
119 – 50 = 69. h. 129 – 60

100 – 60 = 40.
29 + 40 = 69.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 60 = 40.
29 + 40 = 69.
129 – 60 = 69. i. 156 – 80

100 – 80 = 20.
56 + 20 = 76.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
56 + 20 = 76.
156 – 80 = 76. j. 142 – 70

100 – 70 = 30.
42 + 30 = 72.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 70 = 30.
42 + 30 = 72.
142 – 70 = 72. Question 2.
Use a number bond to show how you would take 8 tens from 126.

100 – 80 = 20.
26 + 20 = 46.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
26 + 20 = 46.
126 – 80 = 46. ### Eureka Math Grade 2 Module 4 Lesson 23 Exit Ticket Answer Key

Solve using number bonds to subtract from 100.

Question 1.
114 – 50 = 64.

100 – 50 = 50.
14 + 50 = 64.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 50 = 50.
14 + 50 = 64.
114 – 50 = 64. Question 2.
176 – 90 = 86.

100 – 90 = 10.
10 + 76 = 86.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 90 = 10.
10 + 76 = 86.
176 – 90 = 86. Question 3.
134 – 40 = 94.

100 – 40 = 60.
34 + 60 = 94.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 40 = 60.
34 + 60 = 94.
134 – 40 = 94. ### Eureka Math Grade 2 Module 4 Lesson 23 Homework Answer Key

Question 1.
Solve using number bonds to subtract from 100. The first one has been done for you.
a. 100 – 90 = 10
10 + 5 = 15

100 – 90 = 10.
10 + 5 = 15.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 90 = 10.
10 + 5 = 15.
105 – 90 = 15.

b. 121 – 90

100 – 90 = 10.
10 + 21 = 31.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 90 = 10.
10 + 21 = 31. c. 112 – 80

100 – 80 = 20.
20 + 12 = 32.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
20 + 12 = 32.
112 – 80 = 32. d. 135 – 70

100 – 70 = 30.
35 + 30 = 65.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 70 = 30.
35 + 30 = 65.
135 – 70 = 65. e. 136 – 60

100 – 60 = 40.
40 + 36 = 76.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 60 = 40.
40 + 36 = 76.
136 – 60 = 76. f. 129 – 50

100 – 50 = 50.
29 + 50 = 79.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 50 = 50.
29 + 50 = 79.
129 – 50 = 79. g. 156 – 80

100 – 80 = 20.
56 + 20 = 76.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 80 = 20.
56 + 20 = 76. h. 138 – 40

100 – 40 = 60.
38 + 60 = 98.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 40 = 60.
38 + 60 = 98.
138 – 40 = 98. Question 2.
Monica incorrectly solved 132 – 70 to get 102. Show her how to solve it correctly. 100 – 70 = 30.
32 + 30 = 62.

Explanation:
In the above-given question,
given that,
solve using number bonds to subtract from 100.
100 – 70 = 30.
32 + 30 = 62.
132 – 70 = 62. Question 3.
Billy sold 50 fewer magazines than Alex. Alex sold 128 magazines. How many magazines did Billy sell? Solve using a number bond. 