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Subtraction Within 10

Grade 1 · Stretch challenge · 12 questions · Version PG-3R5QGN-DZDO

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1.3 - 3 =
2.8 - 2 =
3.1 - 1 =
4.8 - 4 =
5.2 - 1 =
6.3 - 0 =
7.5 - 0 =
8.3 - 1 =
9.1 - 0 =
10.10 - 5 =
11.2 - 0 =
12.5 - 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 10
  1. 3 - 3 =0
  2. 8 - 2 =6
  3. 1 - 1 =0
  4. 8 - 4 =4
  5. 2 - 1 =1
  6. 3 - 0 =3
  7. 5 - 0 =5
  8. 3 - 1 =2
  9. 1 - 0 =1
  10. 10 - 5 =5
  11. 2 - 0 =2
  12. 5 - 2 =3

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.