πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
215 − 15 = ?
Answer: ______________
319 − 3 = ?
Answer: ______________
419 − 13 = ?
Answer: ______________
520 − 20 = ?
Answer: ______________
6Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
715 − 12 = ?
Answer: ______________
817 − 11 = ?
Answer: ______________
912 − 5 = ?
Answer: ______________
1011 − 11 = ?
Answer: ______________
1120 − 10 = ?
Answer: ______________
1216 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 0
- 3. 16
- 4. 6
- 5. 0
- 6. 6
- 7. 3
- 8. 6
- 9. 7
- 10. 0
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20