πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 3 = ?
Answer: ______________
27 − 4 = ?
Answer: ______________
319 − 8 = ?
Answer: ______________
49 − 6 = ?
Answer: ______________
511 − 8 = ?
Answer: ______________
618 − 9 = ?
Answer: ______________
7Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
815 − 9 = ?
Answer: ______________
917 − 9 = ?
Answer: ______________
1010 − 6 = ?
Answer: ______________
115 − 4 = ?
Answer: ______________
1217 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 3
- 3. 11
- 4. 3
- 5. 3
- 6. 9
- 7. 7
- 8. 6
- 9. 8
- 10. 4
- 11. 1
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20