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Subtraction Within 10

Grade 1 · Building confidence · 12 questions · Version PG-1RS91SF-1NMO

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1.2 - 1 =
2.5 - 0 =
3.6 - 1 =
4.4 - 3 =
5.5 - 3 =
6.5 - 1 =
7.2 - 0 =
8.3 - 0 =
9.8 - 2 =
10.7 - 6 =
11.6 - 3 =
12.8 - 8 =

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 16
  1. 2 - 1 =1
  2. 5 - 0 =5
  3. 6 - 1 =5
  4. 4 - 3 =1
  5. 5 - 3 =2
  6. 5 - 1 =4
  7. 2 - 0 =2
  8. 3 - 0 =3
  9. 8 - 2 =6
  10. 7 - 6 =1
  11. 6 - 3 =3
  12. 8 - 8 =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.