πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 7 = ?
Answer: ______________
210 − 8 = ?
Answer: ______________
3Start at 13 and count back 3. Where do you land? (13 − 3)
Answer: ______________
410 − 2 = ?
Answer: ______________
5Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
6Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
712 − 4 = ?
Answer: ______________
818 − 9 = ?
Answer: ______________
98 − 3 = ?
Answer: ______________
1016 − 3 = ?
Answer: ______________
11Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
1212 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 2
- 3. 10
- 4. 8
- 5. 8
- 6. 13
- 7. 8
- 8. 9
- 9. 5
- 10. 13
- 11. 13
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20