πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 10 = ?
Answer: ______________
215 − 15 = ?
Answer: ______________
312 − 3 = ?
Answer: ______________
418 − 1 = ?
Answer: ______________
512 − 5 = ?
Answer: ______________
620 − 16 = ?
Answer: ______________
720 − 13 = ?
Answer: ______________
814 − 11 = ?
Answer: ______________
914 − 5 = ?
Answer: ______________
1013 − 10 = ?
Answer: ______________
1113 − 9 = ?
Answer: ______________
1219 − 18 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 0
- 3. 9
- 4. 17
- 5. 7
- 6. 4
- 7. 7
- 8. 3
- 9. 9
- 10. 3
- 11. 4
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20