πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 6 = ?
Answer: ______________
218 − 12 = ?
Answer: ______________
3Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
412 − 4 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
611 − 11 = ?
Answer: ______________
720 − 12 = ?
Answer: ______________
813 − 1 = ?
Answer: ______________
912 − 7 = ?
Answer: ______________
1013 − 4 = ?
Answer: ______________
1112 − 2 = ?
Answer: ______________
1217 − 13 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 6
- 3. 5
- 4. 8
- 5. 2
- 6. 0
- 7. 8
- 8. 12
- 9. 5
- 10. 9
- 11. 10
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20