πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 9 = ?
Answer: ______________
26 − 5 = ?
Answer: ______________
315 − 8 = ?
Answer: ______________
410 − 9 = ?
Answer: ______________
511 − 4 = ?
Answer: ______________
68 − 3 = ?
Answer: ______________
712 − 1 = ?
Answer: ______________
811 − 2 = ?
Answer: ______________
9Start at 18 and count back 3. Where do you land? (18 − 3)
Answer: ______________
1020 − 1 = ?
Answer: ______________
118 − 2 = ?
Answer: ______________
1213 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 1
- 3. 7
- 4. 1
- 5. 7
- 6. 5
- 7. 11
- 8. 9
- 9. 15
- 10. 19
- 11. 6
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20