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Two-Digit Subtraction With Borrowing

Grade 2 · Stretch challenge · 14 questions · Version PG-N1QJJP-Y5PE

1.

19 - 18 =

2.

10 - 10 =

3.

91 - 86 =

4.

70 - 68 =

5.

67 - 49 =

6.

31 - 17 =

7.

97 - 48 =

8.

52 - 13 =

9.

28 - 19 =

10.

74 - 19 =

11.

61 - 26 =

12.

41 - 34 =

13.

50 - 28 =

14.

37 - 29 =

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 20
  1. 19 - 18 =1
  2. 10 - 10 =0
  3. 91 - 86 =5
  4. 70 - 68 =2
  5. 67 - 49 =18
  6. 31 - 17 =14
  7. 97 - 48 =49
  8. 52 - 13 =39
  9. 28 - 19 =9
  10. 74 - 19 =55
  11. 61 - 26 =35
  12. 41 - 34 =7
  13. 50 - 28 =22
  14. 37 - 29 =8

Worked example

52 - 27 = 25. Regroup 52 as 4 tens and 12 ones.

Common mistake

Regrouping the ones but forgetting to reduce the tens digit.

Helpful hint

Trade one ten for ten ones, then subtract.