πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 11 = ?
Answer: ______________
211 − 10 = ?
Answer: ______________
318 − 12 = ?
Answer: ______________
4Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
5Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
613 − 2 = ?
Answer: ______________
7Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
8Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
912 − 8 = ?
Answer: ______________
10Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
1120 − 6 = ?
Answer: ______________
1216 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 1
- 3. 6
- 4. 1
- 5. 1
- 6. 11
- 7. 3
- 8. 2
- 9. 4
- 10. 2
- 11. 14
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20