πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 7 = ?
Answer: ______________
218 − 18 = ?
Answer: ______________
319 − 11 = ?
Answer: ______________
411 − 11 = ?
Answer: ______________
518 − 1 = ?
Answer: ______________
6Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
717 − 11 = ?
Answer: ______________
819 − 6 = ?
Answer: ______________
913 − 11 = ?
Answer: ______________
1020 − 4 = ?
Answer: ______________
11Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
12Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 0
- 3. 8
- 4. 0
- 5. 17
- 6. 2
- 7. 6
- 8. 13
- 9. 2
- 10. 16
- 11. 2
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20