πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 7 = ?
Answer: ______________
211 − 9 = ?
Answer: ______________
3Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
415 − 5 = ?
Answer: ______________
5Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
619 − 12 = ?
Answer: ______________
719 − 8 = ?
Answer: ______________
813 − 7 = ?
Answer: ______________
914 − 6 = ?
Answer: ______________
1014 − 12 = ?
Answer: ______________
11Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
1218 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 2
- 3. 5
- 4. 10
- 5. 4
- 6. 7
- 7. 11
- 8. 6
- 9. 8
- 10. 2
- 11. 2
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20