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Two-Digit Subtraction With Borrowing

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

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

36 - 18 =

2.

46 - 29 =

3.

52 - 43 =

4.

49 - 29 =

5.

48 - 29 =

6.

79 - 72 =

7.

43 - 14 =

8.

79 - 43 =

9.

13 - 12 =

10.

96 - 38 =

11.

53 - 39 =

12.

37 - 18 =

13.

38 - 19 =

14.

79 - 17 =

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 8
  1. 36 - 18 =18
  2. 46 - 29 =17
  3. 52 - 43 =9
  4. 49 - 29 =20
  5. 48 - 29 =19
  6. 79 - 72 =7
  7. 43 - 14 =29
  8. 79 - 43 =36
  9. 13 - 12 =1
  10. 96 - 38 =58
  11. 53 - 39 =14
  12. 37 - 18 =19
  13. 38 - 19 =19
  14. 79 - 17 =62

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.