πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 5 = ?
Answer: ______________
217 − 1 = ?
Answer: ______________
3Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
410 − 1 = ?
Answer: ______________
518 − 7 = ?
Answer: ______________
6Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
718 − 6 = ?
Answer: ______________
8Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
95 − 4 = ?
Answer: ______________
106 − 5 = ?
Answer: ______________
117 − 2 = ?
Answer: ______________
1213 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 16
- 3. 7
- 4. 9
- 5. 11
- 6. 13
- 7. 12
- 8. 7
- 9. 1
- 10. 1
- 11. 5
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20