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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-1HG2G9Q-15BG

Four children and a teacher collaborate with blocks, patterns, and a notebook.
1.

5 - 3 =

2.

1 - 0 =

3.

94 - 94 =

4.

67 - 7 =

5.

72 - 42 =

6.

5 - 1 =

7.

51 - 36 =

8.

14 - 11 =

9.

53 - 0 =

10.

89 - 59 =

11.

32 - 21 =

12.

9 - 7 =

13.

12 - 11 =

14.

53 - 50 =

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 3
  1. 5 - 3 =2
  2. 1 - 0 =1
  3. 94 - 94 =0
  4. 67 - 7 =60
  5. 72 - 42 =30
  6. 5 - 1 =4
  7. 51 - 36 =15
  8. 14 - 11 =3
  9. 53 - 0 =53
  10. 89 - 59 =30
  11. 32 - 21 =11
  12. 9 - 7 =2
  13. 12 - 11 =1
  14. 53 - 50 =3

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.