πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 3 = ?
Answer: ______________
220 − 2 = ?
Answer: ______________
317 − 1 = ?
Answer: ______________
415 − 10 = ?
Answer: ______________
518 − 18 = ?
Answer: ______________
618 − 13 = ?
Answer: ______________
716 − 8 = ?
Answer: ______________
818 − 15 = ?
Answer: ______________
913 − 3 = ?
Answer: ______________
1013 − 9 = ?
Answer: ______________
1115 − 8 = ?
Answer: ______________
1220 − 19 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 18
- 3. 16
- 4. 5
- 5. 0
- 6. 5
- 7. 8
- 8. 3
- 9. 10
- 10. 4
- 11. 7
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20