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Subtraction Within 100

Grade 2 · On-level practice · 14 questions · Version PG-15R34ER-15BG

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1.73 - 41 =
2.41 - 22 =
3.29 - 11 =
4.40 - 15 =
5.62 - 35 =
6.29 - 8 =
7.49 - 40 =
8.16 - 14 =
9.21 - 20 =
10.54 - 28 =
11.37 - 8 =
12.38 - 18 =
13.57 - 51 =
14.10 - 9 =

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. 73 - 41 =32
  2. 41 - 22 =19
  3. 29 - 11 =18
  4. 40 - 15 =25
  5. 62 - 35 =27
  6. 29 - 8 =21
  7. 49 - 40 =9
  8. 16 - 14 =2
  9. 21 - 20 =1
  10. 54 - 28 =26
  11. 37 - 8 =29
  12. 38 - 18 =20
  13. 57 - 51 =6
  14. 10 - 9 =1

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.