πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 15 = ?
Answer: ______________
216 − 5 = ?
Answer: ______________
3Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
4Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
519 − 18 = ?
Answer: ______________
618 − 3 = ?
Answer: ______________
7Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
811 − 11 = ?
Answer: ______________
9Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
1017 − 5 = ?
Answer: ______________
1116 − 1 = ?
Answer: ______________
1219 − 17 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 11
- 3. 1
- 4. 5
- 5. 1
- 6. 15
- 7. 6
- 8. 0
- 9. 4
- 10. 12
- 11. 15
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20