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Subtraction Within 10

Grade 1 · Stretch challenge · 12 questions · Version PG-1J8WWV-DZDO

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1.8 - 7 =
2.9 - 0 =
3.7 - 3 =
4.5 - 5 =
5.4 - 2 =
6.3 - 0 =
7.10 - 7 =
8.4 - 0 =
9.10 - 3 =
10.6 - 2 =
11.4 - 1 =
12.10 - 2 =

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 18
  1. 8 - 7 =1
  2. 9 - 0 =9
  3. 7 - 3 =4
  4. 5 - 5 =0
  5. 4 - 2 =2
  6. 3 - 0 =3
  7. 10 - 7 =3
  8. 4 - 0 =4
  9. 10 - 3 =7
  10. 6 - 2 =4
  11. 4 - 1 =3
  12. 10 - 2 =8

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.