πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
218 − 4 = ?
Answer: ______________
3Get to ten first: 11 − 5 = 11 − 1 − ?
Answer: ______________
4Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
515 − 1 = ?
Answer: ______________
6Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
714 − 9 = ?
Answer: ______________
820 − 6 = ?
Answer: ______________
917 − 13 = ?
Answer: ______________
1016 − 14 = ?
Answer: ______________
1111 − 11 = ?
Answer: ______________
1214 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 14
- 3. 4
- 4. 3
- 5. 14
- 6. 1
- 7. 5
- 8. 14
- 9. 4
- 10. 2
- 11. 0
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20