πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 15 = ?
Answer: ______________
220 − 20 = ?
Answer: ______________
315 − 1 = ?
Answer: ______________
4Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
514 − 11 = ?
Answer: ______________
613 − 13 = ?
Answer: ______________
711 − 4 = ?
Answer: ______________
8Get to ten first: 11 − 5 = 11 − 1 − ?
Answer: ______________
912 − 6 = ?
Answer: ______________
1012 − 5 = ?
Answer: ______________
1113 − 3 = ?
Answer: ______________
1212 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 0
- 3. 14
- 4. 7
- 5. 3
- 6. 0
- 7. 7
- 8. 4
- 9. 6
- 10. 7
- 11. 10
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20