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## Engage NY Eureka Math 2nd Grade Module 4 Lesson 15 Answer Key

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### 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.