πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 2 = ?
Answer: ______________
212 − 3 = ?
Answer: ______________
3Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
48 − 8 = ?
Answer: ______________
510 − 8 = ?
Answer: ______________
69 − 6 = ?
Answer: ______________
78 − 1 = ?
Answer: ______________
85 − 2 = ?
Answer: ______________
916 − 3 = ?
Answer: ______________
10Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
1115 − 8 = ?
Answer: ______________
1217 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 9
- 3. 5
- 4. 0
- 5. 2
- 6. 3
- 7. 7
- 8. 3
- 9. 13
- 10. 11
- 11. 7
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20