πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 5 = ?
Answer: ______________
2Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
316 − 9 = ?
Answer: ______________
4Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
512 − 2 = ?
Answer: ______________
613 − 4 = ?
Answer: ______________
79 − 5 = ?
Answer: ______________
8Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
9Start at 13 and count back 3. Where do you land? (13 − 3)
Answer: ______________
1016 − 3 = ?
Answer: ______________
1116 − 5 = ?
Answer: ______________
1217 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 14
- 3. 7
- 4. 16
- 5. 10
- 6. 9
- 7. 4
- 8. 12
- 9. 10
- 10. 13
- 11. 11
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20