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Subtraction Within 10

Grade 1 · Building confidence · 12 questions · Version PG-1RI9G3G-1NMO

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1.8 - 4 =
2.4 - 2 =
3.3 - 2 =
4.7 - 0 =
5.4 - 0 =
6.4 - 1 =
7.2 - 0 =
8.4 - 4 =
9.9 - 7 =
10.10 - 10 =
11.5 - 1 =
12.5 - 5 =

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 17
  1. 8 - 4 =4
  2. 4 - 2 =2
  3. 3 - 2 =1
  4. 7 - 0 =7
  5. 4 - 0 =4
  6. 4 - 1 =3
  7. 2 - 0 =2
  8. 4 - 4 =0
  9. 9 - 7 =2
  10. 10 - 10 =0
  11. 5 - 1 =4
  12. 5 - 5 =0

Worked example

9 - 4 = 5. Count back four from 9: 8, 7, 6, 5.

Common mistake

Counting the starting number as one of the steps back.

Helpful hint

Count backward one step for each amount taken away.