Page 1:

Math Assignment - Count Back One Subtraction

Name: ___________

Instructions: Solve the following subtraction problems using the count back one strategy. Cross out the correct number of objects to find the answer.

1. 8 - 1 = ___
2. 10 - 1 = ___
3. 7 - 1 = ___
4. 9 - 1 = ___
5. 6 - 1 = ___
6. 4 - 1 = ___
7. 5 - 1 = ___
8. 3 - 1 = ___
9. 2 - 1 = ___
10. 1 - 1 = ___
11. 9 - 1 = ___
12. 7 - 1 = ___
13. 6 - 1 = ___
14. 8 - 1 = ___
15. 5 - 1 = ___
16. 3 - 1 = ___
17. 2 - 1 = ___
18. 4 - 1 = ___
19. 10 - 1 = ___
20. 1 - 1 = ___

Page 2:

Math Assignment - Count Back One Subtraction

Name: ___________

Instructions: Solve the following subtraction problems using the count back one strategy. Cross out the correct number of objects to find the answer.

1. 6 - 1 = ___
2. 9 - 1 = ___
3. 8 - 1 = ___
4. 7 - 1 = ___
5. 10 - 1 = ___
6. 5 - 1 = ___
7. 3 - 1 = ___
8. 4 - 1 = ___
9. 2 - 1 = ___
10. 1 - 1 = ___
11. 7 - 1 = ___
12. 6 - 1 = ___
13. 9 - 1 = ___
14. 8 - 1 = ___
15. 10 - 1 = ___
16. 4 - 1 = ___
17. 3 - 1 = ___
18. 5 - 1 = ___
19. 2 - 1 = ___
20. 1 - 1 = ___

Note: For each question, the student should cross out the correct number of objects to represent the subtraction problem. For example, if the question is 8 - 1, the student should cross out one object from a group of eight objects and write the answer as 7.