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Subtraction Within 10

Grade 1 · Stretch challenge · 12 questions · Version PG-R5CFYC-DZDO

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1.8 - 0 =
2.8 - 3 =
3.10 - 5 =
4.1 - 1 =
5.3 - 0 =
6.5 - 3 =
7.9 - 1 =
8.9 - 4 =
9.2 - 0 =
10.9 - 0 =
11.9 - 7 =
12.9 - 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 2
  1. 8 - 0 =8
  2. 8 - 3 =5
  3. 10 - 5 =5
  4. 1 - 1 =0
  5. 3 - 0 =3
  6. 5 - 3 =2
  7. 9 - 1 =8
  8. 9 - 4 =5
  9. 2 - 0 =2
  10. 9 - 0 =9
  11. 9 - 7 =2
  12. 9 - 8 =1

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.