πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 12 = ?
Answer: ______________
212 − 1 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
413 − 13 = ?
Answer: ______________
518 − 4 = ?
Answer: ______________
615 − 1 = ?
Answer: ______________
712 − 8 = ?
Answer: ______________
813 − 11 = ?
Answer: ______________
920 − 2 = ?
Answer: ______________
1019 − 15 = ?
Answer: ______________
11Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
12Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 11
- 3. 3
- 4. 0
- 5. 14
- 6. 14
- 7. 4
- 8. 2
- 9. 18
- 10. 4
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20