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Subtraction Within 10

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

Four children and a teacher collaborate with blocks, patterns, and a notebook.
1.

9 - 4 =

2.

6 - 5 =

3.

8 - 4 =

4.

2 - 1 =

5.

9 - 0 =

6.

4 - 2 =

7.

9 - 9 =

8.

7 - 0 =

9.

3 - 3 =

10.

1 - 0 =

11.

3 - 0 =

12.

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