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Subtraction Within 100

Grade 2 · Building confidence · 14 questions · Version PG-14X3N9P-1N26

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1.33 - 28 =
2.74 - 41 =
3.66 - 64 =
4.92 - 2 =
5.59 - 45 =
6.57 - 19 =
7.73 - 4 =
8.1 - 0 =
9.41 - 27 =
10.63 - 40 =
11.14 - 11 =
12.87 - 37 =
13.30 - 1 =
14.65 - 38 =

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 19
  1. 33 - 28 =5
  2. 74 - 41 =33
  3. 66 - 64 =2
  4. 92 - 2 =90
  5. 59 - 45 =14
  6. 57 - 19 =38
  7. 73 - 4 =69
  8. 1 - 0 =1
  9. 41 - 27 =14
  10. 63 - 40 =23
  11. 14 - 11 =3
  12. 87 - 37 =50
  13. 30 - 1 =29
  14. 65 - 38 =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.