πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 5 = ?
Answer: ______________
210 − 1 = ?
Answer: ______________
3Start at 17 and count back 2. Where do you land? (17 − 2)
Answer: ______________
4Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
514 − 2 = ?
Answer: ______________
611 − 7 = ?
Answer: ______________
75 − 1 = ?
Answer: ______________
812 − 3 = ?
Answer: ______________
9Start at 8 and count back 2. Where do you land? (8 − 2)
Answer: ______________
108 − 6 = ?
Answer: ______________
116 − 6 = ?
Answer: ______________
1210 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 9
- 3. 15
- 4. 9
- 5. 12
- 6. 4
- 7. 4
- 8. 9
- 9. 6
- 10. 2
- 11. 0
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20