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Two-Digit Subtraction Without Borrowing

Grade 2 · Stretch challenge · 12 questions · Version PG-BNDC8N-ZTN0

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

72 - 22 =

2.

99 - 61 =

3.

86 - 72 =

4.

98 - 15 =

5.

83 - 32 =

6.

59 - 34 =

7.

17 - 14 =

8.

60 - 20 =

9.

56 - 56 =

10.

38 - 23 =

11.

51 - 40 =

12.

52 - 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 3
  1. 72 - 22 =50
  2. 99 - 61 =38
  3. 86 - 72 =14
  4. 98 - 15 =83
  5. 83 - 32 =51
  6. 59 - 34 =25
  7. 17 - 14 =3
  8. 60 - 20 =40
  9. 56 - 56 =0
  10. 38 - 23 =15
  11. 51 - 40 =11
  12. 52 - 12 =40

Worked example

78 - 35 = 43. Subtract ones, then tens.

Common mistake

Starting with the tens and losing track of the ones column.

Helpful hint

Start in the ones column.