πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 7 = ?
Answer: ______________
213 − 10 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
4Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
519 − 14 = ?
Answer: ______________
611 − 10 = ?
Answer: ______________
719 − 17 = ?
Answer: ______________
812 − 1 = ?
Answer: ______________
9Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
1012 − 3 = ?
Answer: ______________
1111 − 4 = ?
Answer: ______________
12Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 3
- 3. 3
- 4. 1
- 5. 5
- 6. 1
- 7. 2
- 8. 11
- 9. 3
- 10. 9
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20