πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 5 = ?
Answer: ______________
26 − 2 = ?
Answer: ______________
3Start at 12 and count back 2. Where do you land? (12 − 2)
Answer: ______________
4Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
510 − 8 = ?
Answer: ______________
611 − 8 = ?
Answer: ______________
710 − 3 = ?
Answer: ______________
85 − 3 = ?
Answer: ______________
916 − 3 = ?
Answer: ______________
1017 − 7 = ?
Answer: ______________
11Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
1215 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 4
- 3. 10
- 4. 14
- 5. 2
- 6. 3
- 7. 7
- 8. 2
- 9. 13
- 10. 10
- 11. 16
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20