πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 6 = ?
Answer: ______________
2Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
3Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
415 − 4 = ?
Answer: ______________
516 − 4 = ?
Answer: ______________
6Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
714 − 13 = ?
Answer: ______________
811 − 8 = ?
Answer: ______________
914 − 5 = ?
Answer: ______________
1016 − 16 = ?
Answer: ______________
11Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
1218 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 4
- 3. 2
- 4. 11
- 5. 12
- 6. 1
- 7. 1
- 8. 3
- 9. 9
- 10. 0
- 11. 3
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20