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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-1I01NNO-15BG

1.

60 - 13 =

2.

79 - 20 =

3.

18 - 7 =

4.

70 - 4 =

5.

82 - 5 =

6.

98 - 71 =

7.

92 - 22 =

8.

94 - 82 =

9.

44 - 41 =

10.

12 - 5 =

11.

22 - 20 =

12.

36 - 24 =

13.

93 - 40 =

14.

50 - 22 =

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 5
  1. 60 - 13 =47
  2. 79 - 20 =59
  3. 18 - 7 =11
  4. 70 - 4 =66
  5. 82 - 5 =77
  6. 98 - 71 =27
  7. 92 - 22 =70
  8. 94 - 82 =12
  9. 44 - 41 =3
  10. 12 - 5 =7
  11. 22 - 20 =2
  12. 36 - 24 =12
  13. 93 - 40 =53
  14. 50 - 22 =28

Worked example

73 - 28 = 45. Regroup 7 tens 3 ones as 6 tens 13 ones.

Common mistake

Subtracting the smaller digit from the larger digit in each column regardless of order.

Helpful hint

Line up place values before subtracting.