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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-192YCQF-15BG

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1.88 - 0 =
2.12 - 12 =
3.50 - 6 =
4.36 - 35 =
5.73 - 30 =
6.68 - 17 =
7.69 - 5 =
8.58 - 23 =
9.3 - 1 =
10.71 - 19 =
11.59 - 53 =
12.50 - 17 =
13.9 - 2 =
14.86 - 59 =

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 15
  1. 88 - 0 =88
  2. 12 - 12 =0
  3. 50 - 6 =44
  4. 36 - 35 =1
  5. 73 - 30 =43
  6. 68 - 17 =51
  7. 69 - 5 =64
  8. 58 - 23 =35
  9. 3 - 1 =2
  10. 71 - 19 =52
  11. 59 - 53 =6
  12. 50 - 17 =33
  13. 9 - 2 =7
  14. 86 - 59 =27

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.