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Subtraction Within 10

Grade 1 · Building confidence · 12 questions · Version PG-1Q7GDDU-1NMO

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1.8 - 7 =
2.9 - 9 =
3.2 - 0 =
4.5 - 3 =
5.4 - 4 =
6.4 - 2 =
7.3 - 2 =
8.9 - 2 =
9.6 - 2 =
10.5 - 2 =
11.6 - 6 =
12.4 - 0 =

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

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.