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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-15H3IPS-15BG

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1.56 - 28 =
2.36 - 24 =
3.23 - 0 =
4.60 - 23 =
5.96 - 29 =
6.41 - 8 =
7.92 - 92 =
8.9 - 3 =
9.14 - 10 =
10.27 - 10 =
11.75 - 18 =
12.9 - 5 =
13.51 - 4 =
14.21 - 14 =

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 18
  1. 56 - 28 =28
  2. 36 - 24 =12
  3. 23 - 0 =23
  4. 60 - 23 =37
  5. 96 - 29 =67
  6. 41 - 8 =33
  7. 92 - 92 =0
  8. 9 - 3 =6
  9. 14 - 10 =4
  10. 27 - 10 =17
  11. 75 - 18 =57
  12. 9 - 5 =4
  13. 51 - 4 =47
  14. 21 - 14 =7

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.