πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 20 = ?
Answer: ______________
220 − 9 = ?
Answer: ______________
314 − 1 = ?
Answer: ______________
418 − 6 = ?
Answer: ______________
511 − 7 = ?
Answer: ______________
613 − 12 = ?
Answer: ______________
714 − 5 = ?
Answer: ______________
815 − 1 = ?
Answer: ______________
911 − 3 = ?
Answer: ______________
1016 − 1 = ?
Answer: ______________
1119 − 7 = ?
Answer: ______________
1218 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 11
- 3. 13
- 4. 12
- 5. 4
- 6. 1
- 7. 9
- 8. 14
- 9. 8
- 10. 15
- 11. 12
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20