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Subtraction Within 10

Grade 1 · Building confidence · 12 questions · Version PG-1QOAN0J-1NMO

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1.9 - 9 =
2.9 - 3 =
3.5 - 0 =
4.10 - 5 =
5.7 - 6 =
6.2 - 1 =
7.4 - 3 =
8.1 - 0 =
9.7 - 3 =
10.6 - 5 =
11.3 - 1 =
12.3 - 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 12
  1. 9 - 9 =0
  2. 9 - 3 =6
  3. 5 - 0 =5
  4. 10 - 5 =5
  5. 7 - 6 =1
  6. 2 - 1 =1
  7. 4 - 3 =1
  8. 1 - 0 =1
  9. 7 - 3 =4
  10. 6 - 5 =1
  11. 3 - 1 =2
  12. 3 - 2 =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.