πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
2Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
315 − 14 = ?
Answer: ______________
419 − 2 = ?
Answer: ______________
511 − 2 = ?
Answer: ______________
618 − 1 = ?
Answer: ______________
719 − 14 = ?
Answer: ______________
818 − 16 = ?
Answer: ______________
914 − 1 = ?
Answer: ______________
1013 − 12 = ?
Answer: ______________
1119 − 11 = ?
Answer: ______________
12Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 1
- 3. 1
- 4. 17
- 5. 9
- 6. 17
- 7. 5
- 8. 2
- 9. 13
- 10. 1
- 11. 8
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20