πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 4 = ?
Answer: ______________
2Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
319 − 9 = ?
Answer: ______________
414 − 3 = ?
Answer: ______________
513 − 13 = ?
Answer: ______________
618 − 7 = ?
Answer: ______________
719 − 1 = ?
Answer: ______________
8Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
915 − 6 = ?
Answer: ______________
10Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
1116 − 6 = ?
Answer: ______________
1218 − 11 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 1
- 3. 10
- 4. 11
- 5. 0
- 6. 11
- 7. 18
- 8. 1
- 9. 9
- 10. 1
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20