πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 10 = ?
Answer: ______________
2Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
3Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
419 − 9 = ?
Answer: ______________
517 − 17 = ?
Answer: ______________
6Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
717 − 16 = ?
Answer: ______________
813 − 1 = ?
Answer: ______________
911 − 9 = ?
Answer: ______________
10Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
1116 − 14 = ?
Answer: ______________
1214 − 12 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 2
- 3. 7
- 4. 10
- 5. 0
- 6. 4
- 7. 1
- 8. 12
- 9. 2
- 10. 1
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20