πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 7 = ?
Answer: ______________
2Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
3Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
413 − 2 = ?
Answer: ______________
516 − 9 = ?
Answer: ______________
65 − 4 = ?
Answer: ______________
711 − 9 = ?
Answer: ______________
8Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
9Start at 11 and count back 3. Where do you land? (11 − 3)
Answer: ______________
1020 − 5 = ?
Answer: ______________
1120 − 7 = ?
Answer: ______________
1218 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 14
- 3. 7
- 4. 11
- 5. 7
- 6. 1
- 7. 2
- 8. 7
- 9. 8
- 10. 15
- 11. 13
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20