πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 7 = ?
Answer: ______________
218 − 12 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
419 − 13 = ?
Answer: ______________
512 − 3 = ?
Answer: ______________
611 − 10 = ?
Answer: ______________
715 − 3 = ?
Answer: ______________
8Get to ten first: 11 − 5 = 11 − 1 − ?
Answer: ______________
913 − 2 = ?
Answer: ______________
1011 − 6 = ?
Answer: ______________
1119 − 12 = ?
Answer: ______________
12Get to ten first: 12 − 8 = 12 − 2 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 6
- 3. 3
- 4. 6
- 5. 9
- 6. 1
- 7. 12
- 8. 4
- 9. 11
- 10. 5
- 11. 7
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20