πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 8 = ?
Answer: ______________
212 − 12 = ?
Answer: ______________
312 − 4 = ?
Answer: ______________
416 − 9 = ?
Answer: ______________
520 − 20 = ?
Answer: ______________
616 − 1 = ?
Answer: ______________
711 − 7 = ?
Answer: ______________
816 − 10 = ?
Answer: ______________
911 − 10 = ?
Answer: ______________
1017 − 4 = ?
Answer: ______________
1115 − 3 = ?
Answer: ______________
1220 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 0
- 3. 8
- 4. 7
- 5. 0
- 6. 15
- 7. 4
- 8. 6
- 9. 1
- 10. 13
- 11. 12
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20