πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 15 = ?
Answer: ______________
213 − 4 = ?
Answer: ______________
311 − 4 = ?
Answer: ______________
414 − 3 = ?
Answer: ______________
512 − 5 = ?
Answer: ______________
620 − 3 = ?
Answer: ______________
720 − 2 = ?
Answer: ______________
818 − 13 = ?
Answer: ______________
912 − 8 = ?
Answer: ______________
1018 − 3 = ?
Answer: ______________
1112 − 2 = ?
Answer: ______________
1216 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 9
- 3. 7
- 4. 11
- 5. 7
- 6. 17
- 7. 18
- 8. 5
- 9. 4
- 10. 15
- 11. 10
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20