πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 1 = ?
Answer: ______________
219 − 9 = ?
Answer: ______________
3Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
412 − 8 = ?
Answer: ______________
514 − 8 = ?
Answer: ______________
6Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
715 − 2 = ?
Answer: ______________
812 − 3 = ?
Answer: ______________
95 − 2 = ?
Answer: ______________
1019 − 8 = ?
Answer: ______________
11Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
1217 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 10
- 3. 8
- 4. 4
- 5. 6
- 6. 12
- 7. 13
- 8. 9
- 9. 3
- 10. 11
- 11. 14
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20