πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 7 = ?
Answer: ______________
220 − 1 = ?
Answer: ______________
319 − 17 = ?
Answer: ______________
411 − 4 = ?
Answer: ______________
518 − 12 = ?
Answer: ______________
613 − 3 = ?
Answer: ______________
719 − 19 = ?
Answer: ______________
820 − 17 = ?
Answer: ______________
913 − 4 = ?
Answer: ______________
1020 − 15 = ?
Answer: ______________
1111 − 6 = ?
Answer: ______________
1211 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 19
- 3. 2
- 4. 7
- 5. 6
- 6. 10
- 7. 0
- 8. 3
- 9. 9
- 10. 5
- 11. 5
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20