Eureka Math Answer Key for Grade 2 Chapter 15 meets the content and intent of the School Curriculum. By using the Eureka Math Answers Grade 2 Chapter 15, you can understand the topics easily. so, the students who wish to improve their math skills can go through our Eureka Grade 2 Chapter 15 Answer Key pdf.
Engage NY Eureka Math 2nd Grade Module 4 Lesson 15 Answer Key
People of highly subject expertise prepared the solutions in a concise manner for easy grasping. The ace up your preparation using the Eureka Math Book 2nd Grade Answer Key. By using the Eureka Math Answers Grade 2 Lesson 15, you can understand the concepts in depth and score the highest marks in the exam.
Eureka Math Grade 2 Module 4 Lesson 15 Sprint Answer Key
A. Two-Digit Subtraction
Answer:
53 – 2 = 51, 65 – 3 = 62, 77 – 4 = 73, 89 – 5 = 84, 99 – 6 = 93, 28 – 7 = 21, 39 – 8 = 31, 31 – 2 = 29, 41 – 3 = 38, 51 – 4 = 46, 61 – 5 = 46, 30 – 9 = 21, 40 – 8 = 32, 50 – 7 = 43, 60 – 6 = 54, 40 – 30 = 10, 41 – 30 = 11, 40 – 20 = 20, 42 – 20 = 12, 80 – 50 = 30, 85 – 50 = 35, 80 – 40 = 40, 84 – 40 = 44, 80 – 50 = 30, 86 – 50 = 36, 70 – 60 = 10, 77 – 60 = 17, 80 – 70 = 10, 88 – 70 = 18, 48 – 4 = 44, 80 – 40 = 40, 81 – 40 = 41, 46 – 3 = 43, 60 – 30 = 30, 68 – 30 = 38, 67 – 4 = 63, 89 – 6 = 83, 89 – 60 = 29, 76 – 2 = 74, 76 – 20 = 56, 54 – 6 = 48, 65 – 8 = 57, 87 – 9 = 78.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
53 – 2 = 51, 65 – 3 = 62, 77 – 4 = 73, 89 – 5 = 84, 99 – 6 = 93, 28 – 7 = 21, 39 – 8 = 31, 31 – 2 = 29, 41 – 3 = 38, 51 – 4 = 46, 61 – 5 = 46, 30 – 9 = 21, 40 – 8 = 32, 50 – 7 = 43, 60 – 6 = 54, 40 – 30 = 10, 41 – 30 = 11, 40 – 20 = 20, 42 – 20 = 12, 80 – 50 = 30, 85 – 50 = 35, 80 – 40 = 40, 84 – 40 = 44, 80 – 50 = 30, 86 – 50 = 36, 70 – 60 = 10, 77 – 60 = 17, 80 – 70 = 10, 88 – 70 = 18, 48 – 4 = 44, 80 – 40 = 40, 81 – 40 = 41, 46 – 3 = 43, 60 – 30 = 30, 68 – 30 = 38, 67 – 4 = 63, 89 – 6 = 83, 89 – 60 = 29, 76 – 2 = 74, 76 – 20 = 56, 54 – 6 = 48, 65 – 8 = 57, 87 – 9 = 78.
Question 1.
53 – 2 = 51.
Answer:
53 – 2 = 51.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
53 – 2 = 51.
51 + 2 = 53.
Question 2.
65 – 3 = 62.
Answer:
65 – 3 = 62.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
65 – 3 = 62.
62 + 3 = 65.
Question 3.
77 – 4 = 73.
Answer:
77 – 4 = 73.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
77 – 4 = 73.
73 + 4 = 77.
Question 4.
89 – 5 = 84.
Answer:
89 – 5 = 84.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 5 = 84.
84 + 5 = 89.
Question 5.
99 – 6 = 93.
Answer:
99 – 6 = 93.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
99 – 6 = 93.
93 + 6 = 99.
Question 6.
28 – 7 = 21.
Answer:
28 – 7 = 21.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
28 – 7 = 21.
21 + 7 = 28.
Question 7.
39 – 8 = 31.
Answer:
39 – 8 = 31.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
39 – 8 = 31.
31 + 8 = 39.
Question 8.
31 – 2 = 29.
Answer:
31 – 2 = 29.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
31 – 2 = 29.
29 + 2 = 31.
Question 9.
41 – 3 = 38.
Answer:
41 – 3 = 38.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
41 – 3 = 38.
38 + 3 = 41.
Question 10.
51 – 4 = 47.
Answer:
51 – 4 = 47.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
51 – 4 = 47.
47 + 4 = 51.
Question 11.
61 – 5 = 56.
Answer:
61 – 5 = 56.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
61 – 5 = 56.
56 + 5 = 61.
Question 12.
30 – 9 = 21.
Answer:
30 – 9 = 21.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
30 – 9 = 21.
21 + 9 = 30.
Question 13.
40 – 8 = 32.
Answer:
40 – 8 = 32.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
40 – 8 = 32.
32 + 8 = 40.
Question 14.
50 – 7 = 43.
Answer:
50 – 7 = 43.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
50 – 7 = 43.
43 + 7 = 50.
Question 15.
60 – 6 = 54.
Answer:
60 – 6 = 54.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
60 – 6 = 54.
54 + 6 = 60.
Question 16.
40 – 30 = 10.
Answer:
40 – 30 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
40 – 30 = 10.
10 + 30 = 40.
Question 17.
41 – 30 = 11.
Answer:
41 – 30 = 11.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
41 – 30 = 11.
11 + 30 = 41.
Question 18.
40 – 20 = 20.
Answer:
40 – 20 = 20.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
40 – 20 = 20.
20 + 20 = 40.
Question 19.
42 – 20 = 22.
Answer:
42 – 20 = 22.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
42 – 20 = 22.
22 + 20 = 42.
Question 20.
80 – 50 = 30.
Answer:
80 – 50 = 30.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 50 = 30.
30 + 50 = 80.
Question 21.
85 – 50 = 35.
Answer:
85 – 50 = 35.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
85 – 50 = 35.
35 + 50 = 85.
Question 22.
80 – 40 = 40.
Answer:
80 – 40 = 40.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 40 = 40.
40 + 40 = 80.
Question 23.
84 – 40 = 44.
Answer:
84 – 40 = 44.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
84 – 40 = 44.
44 + 40 = 84.
Question 24.
80 – 50 = 30.
Answer:
80 – 50 = 30.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 50 = 30.
30 + 50 = 80.
Question 25.
86 – 50 = 36.
Answer:
86 – 50 = 36.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
86 – 50 = 36.
36 + 50 = 86.
Question 26.
70 – 60 = 10.
Answer:
70 – 60 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
70 – 60 = 10.
10 + 60 = 70.
Question 27.
77 – 60 = 17.
Answer:
77 – 60 = 17.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
77 – 60 = 17.
17 + 60 = 77.
Question 28.
80 – 70 = 10.
Answer:
80 – 70 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 70 = 10.
10 + 70 = 80.
Question 29.
88 – 70 = 18.
Answer:
88 – 70 = 18.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
88 – 70 = 18.
18 + 70 = 88.
Question 30.
48 – 4 = 44.
Answer:
48 – 4 = 44.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
48 – 4 = 44.
44 + 4 = 48.
Question 31.
80 – 40 = 40.
Answer:
80 – 40 = 40.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 40 = 40.
40 + 40 = 80.
Question 32.
81 – 40 = 41.
Answer:
81 – 40 = 41.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
81 – 40 = 41.
41 + 40 = 81.
Question 33.
46 – 3 = 43.
Answer:
46 – 3 = 43.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
46 – 3 = 43.
43 + 3 = 46.
Question 34.
60 – 30 = 30.
Answer:
60 – 30 = 30.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
60 – 30 = 30.
30 + 30 = 60.
Question 35.
68 – 30 = 38.
Answer:
68 – 30 = 38.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
68 – 30 = 38.
38 + 30 = 68.
Question 36.
67 – 4 = 63.
Answer:
67 – 4 = 63.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
67 – 4 = 63.
63 + 4 = 67.
Question 37.
67 – 40 = 27.
Answer:
67 – 40 = 27.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
67 – 40 = 27.
27 + 40 = 67.
Question 38.
89 – 6 = 83.
Answer:
89 – 6 = 83.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 6 = 83.
83 + 6 = 89.
Question 39.
89 – 60 = 29.
Answer:
89 – 60 = 29.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 60 = 29.
29 + 60 = 89.
Question 40.
76 – 2 = 74.
Answer:
76 – 2 = 74.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
76 – 2 = 74.
74 + 2 = 76.
Question 41.
76 – 20 = 56
Answer:
76 – 20 = 56.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
76 – 20 = 56.
56 + 20 = 76.
Question 42.
54 – 6 = 38.
Answer:
54 – 6 = 38.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
54 – 6 = 38.
38 + 6 = 54.
Question 43.
65 – 8 = 57.
Answer:
65 – 8 = 57.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
65 – 8 = 57.
57 + 8 = 65.
Question 44.
87 – 9 = 78.
Answer:
87 – 9 = 78.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
87 – 9 = 78.
78 + 9 = 87.
B. Two-Digit Subtraction
Answer:
43 – 2 = 41, 55 – 3 = 52, 67 – 4 = 63, 79 – 5 = 74, 89 – 6 = 83, 98 – 7 = 91, 29 – 8 = 21, 21 – 2 = 19, 31 – 3 = 28, 41 – 4 = 37, 51 – 5 = 46, 20 – 9 = 11, 30 – 8 = 22, 40 – 7 = 33, 50 – 6 = 44, 30 – 20 = 10, 31 – 20 = 11, 50 – 30 = 20, 52 – 30 = 22, 70 – 40 = 30, 75 – 40 = 35, 90 – 50 = 40, 94 – 50 = 44, 90 – 60 = 30, 96 – 60 = 36, 80 – 70 = 10, 87 – 70 = 17, 90 – 80 = 10, 98 – 80 = 18, 39 – 4 = 35, 90 – 40 = 50, 91 – 40 = 51, 47 – 3 = 44, 70 – 30 = 40, 78 – 30 = 48, 68 – 4 = 64, 68 – 40 = 48, 89 – 7 = 82, 89 – 70 = 19, 56 – 2 = 54, 56 – 20 = 44, 34 – 6 = 28, 45 – 8 = 37, 57 – 9 = 48.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
43 – 2 = 41, 55 – 3 = 52, 67 – 4 = 63, 79 – 5 = 74, 89 – 6 = 83, 98 – 7 = 91, 29 – 8 = 21, 21 – 2 = 19, 31 – 3 = 28, 41 – 4 = 37, 51 – 5 = 46, 20 – 9 = 11, 30 – 8 = 22, 40 – 7 = 33, 50 – 6 = 44, 30 – 20 = 10, 31 – 20 = 11, 50 – 30 = 20, 52 – 30 = 22, 70 – 40 = 30, 75 – 40 = 35, 90 – 50 = 40, 94 – 50 = 44, 90 – 60 = 30, 96 – 60 = 36, 80 – 70 = 10, 87 – 70 = 17, 90 – 80 = 10, 98 – 80 = 18, 39 – 4 = 35, 90 – 40 = 50, 91 – 40 = 51, 47 – 3 = 44, 70 – 30 = 40, 78 – 30 = 48, 68 – 4 = 64, 68 – 40 = 48, 89 – 7 = 82, 89 – 70 = 19, 56 – 2 = 54, 56 – 20 = 44, 34 – 6 = 28, 45 – 8 = 37, 57 – 9 = 48.
Question 1.
43 – 2 = 41.
Answer:
43 – 2 = 41.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
43 – 2 = 41.
41 + 2 = 43.
Question 2.
55 – 3 = 52.
Answer:
55 – 3 = 52.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
55 – 3 = 52.
52 + 3 = 55.
Question 3.
67 – 4 = 63.
Answer:
67 – 4 = 63.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
67 – 4 = 63.
63 + 4 = 67.
Question 4.
79 – 5 = 74.
Answer:
79 – 5 = 74.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
79 – 5 = 74.
74 + 5 = 79.
Question 5.
89 – 6 = 83.
Answer:
89 – 6 = 83.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 6 = 83.
83 + 6 = 9.
Question 6.
98 – 7 = 91.
Answer:
98 – 7 = 91.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
98 – 7 = 91.
91 + 7 = 98.
Question 7.
29 – 8 = 21.
Answer:
29 – 8 = 21.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
29 – 8 = 21.
21 + 8 = 29.
Question 8.
21 – 2 = 19.
Answer:
21 – 2 = 19.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
21 – 2 = 19.
19 + 2 = 21.
Question 9.
31 – 3 = 29.
Answer:
31 – 3 = 29.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
31 – 3 = 29.
29 + 3 = 31.
Question 10.
41 – 4 = 37.
Answer:
41 – 4 = 37.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
41 – 4 = 37.
37 + 4 = 41.
Question 11.
51 – 5 = 46.
Answer:
51 – 5 = 46.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
51 – 5 = 46.
46 + 5 = 51.
Question 12.
20 – 9 = 11.
Answer:
20 – 9 = 11.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
20 – 9 = 11.
11 + 9 = 20.
Question 13.
30 – 8 = 22.
Answer:
30 – 8 = 22.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
30 – 8 = 22.
22 + 8 = 30.
Question 14.
40 – 7 = 33.
Answer:
40 – 7 = 33.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
40 – 7 = 33.
33 + 7 = 40.
Question 15.
50 – 6 = 44.
Answer:
50 – 6 = 44.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
50 – 6 = 44.
44 + 6 = 50.
Question 16.
30 – 20 = 10.
Answer:
30 – 20 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
30 – 20 = 10.
10 + 20 = 30.
Question 17.
31 – 20 = 11.
Answer:
31 – 20 = 11.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
31 – 20 = 11.
11 + 20 = 31.
Question 18.
50 – 30 = 20.
Answer:
50 – 30 = 20.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
50 – 30 = 20.
20 + 30 = 50.
Question 19.
52 – 30 = 22.
Answer:
52 – 30 = 22.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
52 – 30 = 22.
22 + 30 = 52.
Question 20.
70 – 40 = 30.
Answer:
70 – 40 = 30.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
70 – 40 = 30.
30 + 40 = 70.
Question 21.
75 – 40 = 35.
Answer:
75 – 40 = 35.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
75 – 40 = 35.
35 + 40 = 75.
Question 22.
90 – 50 = 40.
Answer:
90 – 50 = 40.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
90 – 50 = 40.
40 + 50 = 90.
Question 23.
94 – 50 = 44.
Answer:
94 – 50 = 44.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
94 – 50 = 44.
44 + 50 = 94.
Question 24.
90 – 60 = 30.
Answer:
90 – 60 = 30.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
90 – 60 = 30.
30 + 60 = 90.
Question 25.
96 – 60 = 36.
Answer:
96 – 60 = 36.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
96 – 60 = 36.
36 + 60 = 96.
Question 26.
80 – 70 = 10.
Answer:
80 – 70 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
80 – 70 = 10.
10 + 70 = 80.
Question 27.
87 – 70 = 17.
Answer:
87 – 70 = 17.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
87 – 70 = 17.
17 + 70 = 87.
Question 28.
90 – 80 = 10.
Answer:
90 – 80 = 10.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
90 – 80 = 10.
10 + 80 = 90.
Question 29.
98 – 80 = 18.
Answer:
98 – 80 = 18.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
98 – 80 = 18.
18 +80 = 98.
Question 30.
39 – 4 = 35.
Answer:
39 – 4 = 35.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
39 – 4 = 35.
35 + 4 = 39.
Question 31.
90 – 40 = 50.
Answer:
90 – 40 = 50.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
90 – 40 = 50.
50 + 40 = 90.
Question 32.
91 – 40 = 51.
Answer:
91 – 40 = 51.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
91 – 40 = 51.
51 + 40 = 91.
Question 33.
47 – 3 = 44.
Answer:
47 – 3 = 44.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
47 – 3 = 44.
44 + 3 = 47.
Question 34.
70 – 30 = 40.
Answer:
70 – 30 = 40.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
70 – 30 = 40.
40 + 30 = 70.
Question 35.
78 – 30 = 48.
Answer:
78 – 30 = 48.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
78 – 30 = 48.
48 + 30 = 78.
Question 36.
68 – 4 = 64.
Answer:
68 – 4 = 64.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
68 – 4 = 64.
64 + 4 = 68.
Question 37.
68 – 40 = 28.
Answer:
68 – 40 = 28.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
68 – 40 = 28.
28 + 40 = 68.
Question 38.
89 – 7 = 82.
Answer:
89 – 7 = 82.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 7 = 82.
82 + 7 = 89.
Question 39.
89 – 70 = 19.
Answer:
89 – 70 = 19.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
89 – 70 = 19.
19 + 70 = 89.
Question 40.
56 – 2 = 54.
Answer:
56 – 2 = 54.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
56 – 2 = 54.
54 + 2 = 56.
Question 41.
56 – 20 = 36.
Answer:
56 – 20 = 36.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
56 – 20 = 36.
36 + 20 = 56.
Question 42.
34 – 6 = 28.
Answer:
34 – 6 = 28.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
34 – 6 = 28.
28 + 6 = 34.
Question 43.
45 – 8 = 37.
Answer:
45 – 8 = 37.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
45 – 8 = 37.
37 + 8 = 45.
Question 44.
57 – 9 = 48.
Answer:
57 – 9 = 48.
Explanation:
In the above-given question,
given that,
subtract the two-digit numbers.
57 – 9 = 48.
48 + 9 = 57.
Eureka Math Grade 2 Module 4 Lesson 15 Problem Set Answer Key
Question 1.
Solve each problem using vertical form. Show the subtraction on the place value chart with chips. Exchange 1 ten for 10 ones, when necessary.
a. 173 – 42
Answer:
173 – 42 = 131.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
7 x 10 = 70.
3 x 1 = 3.
4 x 10 = 40.
2 x 1 = 2.
100 + 70 + 3 = 173.
40 + 2 = 42.
173 – 42 = 131.
b. 173 – 38
Answer:
173 – 38 = 165.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
7 x 10 = 70.
3 x 1 = 3.
3 x 10 = 30.
8 x 1 = 8.
100 + 70 + 3 = 173.
30 + 8 = 38.
173 – 38 = 165.
c. 170 – 44
Answer:
170 – 44 = 126.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
7 x 10 = 70.
4 x 10 = 40.
4 x 1 = 4.
100 + 70 = 170.
40 + 4 = 44.
170 – 44 = 126.
d. 150 – 19
Answer:
150 – 19 = 131.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
5 x 10 = 50.
1 x 10 = 10.
9 x 1 = 9.
100 + 50 = 150.
10 + 9 = 19.
150 – 19 = 131.
e. 186 – 57
Answer:
186 – 57 = 129.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
8 x 10 = 80.
6 x 1 = 6.
100 + 80 + 6 = 186.
5 x 10 = 50.
7 x 1 = 7.
50 + 7 = 57.
186 – 57 = 129.
Question 2.
Solve the following problems without using a place value chart.
a. 73 – 56
Answer:
73 – 56 = 17.
Explanation:
In the above-given question,
given that,
solve the problem without using a place value chart.
7 x 10 = 70.
3 x 1 = 3.
5 x 10 = 50.
6 x 1 = 6.
70 + 3 = 73.
50 + 6 = 56.
73 – 56 = 17.
b. 170 – 53
Answer:
170 – 53 = 117.
Explanation:
In the above-given question,
given that,
solve the problem without using a place value chart.
1 x 100 = 100.
7 x 10 = 70.
5 x 10 = 50.
3 x 1 = 3.
100 + 70 = 170.
50 + 3 = 53.
170 – 53 = 117.
Eureka Math Grade 2 Module 4 Lesson 15 Exit Ticket Answer Key
Solve using vertical form. Show the subtraction on a place value chart with chips. Exchange 1 ten for 10 ones, when necessary.
Question 1.
164 – 49
Answer:
164 – 49 = 115.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
6 x 10 = 60.
4 x 1 = 4.
4 x 10 = 40.
9 x 1 = 9.
100 + 60 + 4 = 164.
40 + 9 = 49.
164 – 49 = 115.
Question 2.
181 – 73
Answer:
181 – 73 = 118.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
8 x 10 = 80.
1 x 1 = 1.
7 x 10 = 70.
3 x 1 = 3.
183 – 73 = 118.
Eureka Math Grade 2 Module 4 Lesson 15 Homework Answer Key
Question 1.
Solve each problem using vertical form. Show the subtraction on the place value chart with chips. Exchange 1 ten for 10 ones, when necessary.
a. 153 – 31
Answer:
153 – 31 = 122.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
5 x 10 = 50.
3 x 1 = 3.
3 x 10 = 30.
1 x 1 = 1.
100 + 50 + 3 = 153.
30 + 1 = 31.
153 – 31 = 122.
b. 153 – 38
Answer:
153 – 38 = 115.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
5 x 10 = 50.
3 x 1 = 3.
3 x 10 = 30.
8 x 1 = 8.
100 + 50 + 3 = 153.
30 + 8 = 38.
153 – 38 = 115.
c. 160 – 37 = 123
Answer:
160 – 37 = 123.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
6 x 10 = 60.
3 x 10 = 30.
7 x 1 = 7.
100 + 60 + 0 = 160.
30 + 7 = 37.
160 – 37 = 123.
d. 182 – 59 = 123.
Answer:
182 – 59 = 123.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
8 x 10 = 80.
2 x 1 = 2.
5 x 10 = 50.
9 x 1 = 9.
100 + 80 + 2 = 182.
50 + 9 = 59.
182 – 59 = 123.
Question 2.
Lisa solved 166 – 48 vertically and on her place value chart. Explain what Lisa did correctly and what she needs to fix.
a. Lisa correctly _________________________________________________
_________________________________________________________________
Answer:
Lisa did correctly 166.
Explanation:
In the above-given question,
given that,
1 x 100 = 100.
6 x 10 = 60.
6 x 1 = 6.
100 + 60 + 6 = 166.
b. Lisa needs to fix _______________________________________________
___________________________________________________________________
Answer:
Lisa needs to fix 118.
166 – 48 = 118.
Explanation:
In the above-given question,
given that,
drawing chips on the place value chart.
change 1 ten for 10 ones when needed.
1 x 100 = 100.
6 x 10 = 60.
6 x 1 = 6.
4 x 10 = 40.
8 x 1 = 8.
100 + 60 + 6 = 166.
40 + 8 = 48.
166 – 48 = 118.
