πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 12 = ?
Answer: ______________
215 − 14 = ?
Answer: ______________
317 − 6 = ?
Answer: ______________
416 − 16 = ?
Answer: ______________
511 − 3 = ?
Answer: ______________
619 − 11 = ?
Answer: ______________
720 − 17 = ?
Answer: ______________
813 − 5 = ?
Answer: ______________
919 − 2 = ?
Answer: ______________
1015 − 13 = ?
Answer: ______________
1115 − 15 = ?
Answer: ______________
1212 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 1
- 3. 11
- 4. 0
- 5. 8
- 6. 8
- 7. 3
- 8. 8
- 9. 17
- 10. 2
- 11. 0
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20