πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 4 = ?
Answer: ______________
212 − 3 = ?
Answer: ______________
39 − 1 = ?
Answer: ______________
45 − 1 = ?
Answer: ______________
510 − 1 = ?
Answer: ______________
618 − 5 = ?
Answer: ______________
720 − 7 = ?
Answer: ______________
810 − 5 = ?
Answer: ______________
98 − 3 = ?
Answer: ______________
106 − 2 = ?
Answer: ______________
1115 − 6 = ?
Answer: ______________
1216 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 16
- 2. 9
- 3. 8
- 4. 4
- 5. 9
- 6. 13
- 7. 13
- 8. 5
- 9. 5
- 10. 4
- 11. 9
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20