πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 9 = ?
Answer: ______________
213 − 7 = ?
Answer: ______________
3Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
416 − 8 = ?
Answer: ______________
516 − 5 = ?
Answer: ______________
6Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
717 − 12 = ?
Answer: ______________
8Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
9Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
1020 − 12 = ?
Answer: ______________
1113 − 4 = ?
Answer: ______________
1218 − 12 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 6
- 3. 1
- 4. 8
- 5. 11
- 6. 2
- 7. 5
- 8. 4
- 9. 3
- 10. 8
- 11. 9
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20