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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-17P0C9K-15BG

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1.50 - 31 =
2.51 - 34 =
3.1 - 1 =
4.77 - 49 =
5.28 - 6 =
6.2 - 2 =
7.16 - 16 =
8.63 - 12 =
9.14 - 7 =
10.64 - 36 =
11.94 - 35 =
12.50 - 36 =
13.19 - 8 =
14.56 - 3 =

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 10
  1. 50 - 31 =19
  2. 51 - 34 =17
  3. 1 - 1 =0
  4. 77 - 49 =28
  5. 28 - 6 =22
  6. 2 - 2 =0
  7. 16 - 16 =0
  8. 63 - 12 =51
  9. 14 - 7 =7
  10. 64 - 36 =28
  11. 94 - 35 =59
  12. 50 - 36 =14
  13. 19 - 8 =11
  14. 56 - 3 =53

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.