πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
217 − 7 = ?
Answer: ______________
312 − 4 = ?
Answer: ______________
418 − 7 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
6Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
7Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
814 − 14 = ?
Answer: ______________
913 − 8 = ?
Answer: ______________
1014 − 4 = ?
Answer: ______________
1113 − 12 = ?
Answer: ______________
1211 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 10
- 3. 8
- 4. 11
- 5. 8
- 6. 3
- 7. 1
- 8. 0
- 9. 5
- 10. 10
- 11. 1
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20