πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 14 = ?
Answer: ______________
2Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
3Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
4Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
514 − 5 = ?
Answer: ______________
612 − 8 = ?
Answer: ______________
7Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
8Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
916 − 15 = ?
Answer: ______________
1018 − 17 = ?
Answer: ______________
11Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
1211 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 2
- 3. 2
- 4. 1
- 5. 9
- 6. 4
- 7. 2
- 8. 3
- 9. 1
- 10. 1
- 11. 5
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20