πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 9 = ?
Answer: ______________
2Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
313 − 13 = ?
Answer: ______________
4Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
518 − 10 = ?
Answer: ______________
611 − 6 = ?
Answer: ______________
7Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
820 − 20 = ?
Answer: ______________
9Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
10Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
11Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
1214 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 6
- 3. 0
- 4. 2
- 5. 8
- 6. 5
- 7. 1
- 8. 0
- 9. 2
- 10. 4
- 11. 3
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20