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Subtraction Within 10

Grade 1 · Stretch challenge · 12 questions · Version PG-2D7PZS-DZDO

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1.1 - 0 =
2.7 - 7 =
3.5 - 5 =
4.4 - 3 =
5.2 - 2 =
6.2 - 1 =
7.7 - 0 =
8.4 - 0 =
9.9 - 1 =
10.8 - 6 =
11.1 - 1 =
12.9 - 7 =

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 15
  1. 1 - 0 =1
  2. 7 - 7 =0
  3. 5 - 5 =0
  4. 4 - 3 =1
  5. 2 - 2 =0
  6. 2 - 1 =1
  7. 7 - 0 =7
  8. 4 - 0 =4
  9. 9 - 1 =8
  10. 8 - 6 =2
  11. 1 - 1 =0
  12. 9 - 7 =2

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.