πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 10 = ?
Answer: ______________
212 − 4 = ?
Answer: ______________
313 − 5 = ?
Answer: ______________
418 − 7 = ?
Answer: ______________
5Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
6Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
714 − 13 = ?
Answer: ______________
820 − 16 = ?
Answer: ______________
913 − 3 = ?
Answer: ______________
1014 − 7 = ?
Answer: ______________
1111 − 2 = ?
Answer: ______________
1220 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 8
- 3. 8
- 4. 11
- 5. 1
- 6. 3
- 7. 1
- 8. 4
- 9. 10
- 10. 7
- 11. 9
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20