PencilGoPencilGo

Two-Digit Subtraction With Borrowing

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

1.

42 - 23 =

2.

78 - 29 =

3.

19 - 10 =

4.

40 - 37 =

5.

79 - 23 =

6.

48 - 39 =

7.

79 - 17 =

8.

72 - 18 =

9.

39 - 16 =

10.

34 - 18 =

11.

26 - 17 =

12.

82 - 16 =

13.

53 - 14 =

14.

31 - 12 =

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 11
  1. 42 - 23 =19
  2. 78 - 29 =49
  3. 19 - 10 =9
  4. 40 - 37 =3
  5. 79 - 23 =56
  6. 48 - 39 =9
  7. 79 - 17 =62
  8. 72 - 18 =54
  9. 39 - 16 =23
  10. 34 - 18 =16
  11. 26 - 17 =9
  12. 82 - 16 =66
  13. 53 - 14 =39
  14. 31 - 12 =19

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.