πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 8 = ?
Answer: ______________
220 − 9 = ?
Answer: ______________
3Get to ten first: 12 − 8 = 12 − 2 − ?
Answer: ______________
4Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
519 − 3 = ?
Answer: ______________
612 − 1 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
815 − 15 = ?
Answer: ______________
919 − 5 = ?
Answer: ______________
1015 − 14 = ?
Answer: ______________
1114 − 6 = ?
Answer: ______________
12Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 11
- 3. 6
- 4. 1
- 5. 16
- 6. 11
- 7. 9
- 8. 0
- 9. 14
- 10. 1
- 11. 8
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20