πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 3 = ?
Answer: ______________
220 − 6 = ?
Answer: ______________
318 − 3 = ?
Answer: ______________
416 − 7 = ?
Answer: ______________
515 − 2 = ?
Answer: ______________
613 − 6 = ?
Answer: ______________
720 − 7 = ?
Answer: ______________
89 − 6 = ?
Answer: ______________
914 − 6 = ?
Answer: ______________
1010 − 3 = ?
Answer: ______________
119 − 7 = ?
Answer: ______________
128 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 14
- 3. 15
- 4. 9
- 5. 13
- 6. 7
- 7. 13
- 8. 3
- 9. 8
- 10. 7
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20