πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 10 = ?
Answer: ______________
2Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
315 − 6 = ?
Answer: ______________
418 − 12 = ?
Answer: ______________
511 − 2 = ?
Answer: ______________
613 − 2 = ?
Answer: ______________
714 − 2 = ?
Answer: ______________
8Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
9Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
1020 − 11 = ?
Answer: ______________
1118 − 6 = ?
Answer: ______________
1217 − 15 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 1
- 3. 9
- 4. 6
- 5. 9
- 6. 11
- 7. 12
- 8. 2
- 9. 2
- 10. 9
- 11. 12
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20