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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-1IU0GQL-15BG

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1.85 - 1 =
2.56 - 53 =
3.98 - 73 =
4.94 - 45 =
5.51 - 33 =
6.19 - 13 =
7.90 - 26 =
8.86 - 86 =
9.78 - 70 =
10.75 - 41 =
11.39 - 38 =
12.81 - 11 =
13.2 - 1 =
14.47 - 24 =

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 6
  1. 85 - 1 =84
  2. 56 - 53 =3
  3. 98 - 73 =25
  4. 94 - 45 =49
  5. 51 - 33 =18
  6. 19 - 13 =6
  7. 90 - 26 =64
  8. 86 - 86 =0
  9. 78 - 70 =8
  10. 75 - 41 =34
  11. 39 - 38 =1
  12. 81 - 11 =70
  13. 2 - 1 =1
  14. 47 - 24 =23

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.