PencilGoPencilGo

Subtraction Within 10

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

1.

1 - 0 =

2.

4 - 3 =

3.

6 - 4 =

4.

5 - 5 =

5.

2 - 2 =

6.

9 - 9 =

7.

8 - 2 =

8.

3 - 1 =

9.

10 - 8 =

10.

10 - 1 =

11.

6 - 1 =

12.

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