πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
17 − 2 = ?
Answer: ______________
213 − 1 = ?
Answer: ______________
39 − 9 = ?
Answer: ______________
46 − 4 = ?
Answer: ______________
515 − 1 = ?
Answer: ______________
615 − 2 = ?
Answer: ______________
78 − 2 = ?
Answer: ______________
89 − 3 = ?
Answer: ______________
919 − 8 = ?
Answer: ______________
1011 − 7 = ?
Answer: ______________
115 − 2 = ?
Answer: ______________
126 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 12
- 3. 0
- 4. 2
- 5. 14
- 6. 13
- 7. 6
- 8. 6
- 9. 11
- 10. 4
- 11. 3
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20