πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
2Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
38 − 3 = ?
Answer: ______________
418 − 9 = ?
Answer: ______________
5Start at 13 and count back 3. Where do you land? (13 − 3)
Answer: ______________
618 − 5 = ?
Answer: ______________
7Start at 9 and count back 3. Where do you land? (9 − 3)
Answer: ______________
815 − 6 = ?
Answer: ______________
9Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
108 − 1 = ?
Answer: ______________
11Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
1217 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 7
- 3. 5
- 4. 9
- 5. 10
- 6. 13
- 7. 6
- 8. 9
- 9. 11
- 10. 7
- 11. 9
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20