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Subtraction Within 100

Grade 2 · Building confidence · 14 questions · Version PG-1257MBZ-1N26

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1.60 - 29 =
2.34 - 22 =
3.10 - 0 =
4.79 - 60 =
5.56 - 54 =
6.15 - 1 =
7.61 - 4 =
8.90 - 3 =
9.62 - 13 =
10.83 - 43 =
11.66 - 4 =
12.7 - 5 =
13.66 - 22 =
14.58 - 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 13
  1. 60 - 29 =31
  2. 34 - 22 =12
  3. 10 - 0 =10
  4. 79 - 60 =19
  5. 56 - 54 =2
  6. 15 - 1 =14
  7. 61 - 4 =57
  8. 90 - 3 =87
  9. 62 - 13 =49
  10. 83 - 43 =40
  11. 66 - 4 =62
  12. 7 - 5 =2
  13. 66 - 22 =44
  14. 58 - 12 =46

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.