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Subtraction Within 10

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

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1.1 - 0 =
2.4 - 3 =
3.6 - 4 =
4.5 - 5 =
5.2 - 2 =
6.9 - 9 =
7.8 - 2 =
8.3 - 1 =
9.10 - 8 =
10.10 - 1 =
11.6 - 1 =
12.2 - 1 =

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