πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 8 = ?
Answer: ______________
211 − 7 = ?
Answer: ______________
319 − 15 = ?
Answer: ______________
418 − 12 = ?
Answer: ______________
514 − 4 = ?
Answer: ______________
614 − 1 = ?
Answer: ______________
711 − 1 = ?
Answer: ______________
8Get to ten first: 11 − 8 = 11 − 1 − ?
Answer: ______________
9Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
10Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
1116 − 6 = ?
Answer: ______________
12Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 4
- 3. 4
- 4. 6
- 5. 10
- 6. 13
- 7. 10
- 8. 7
- 9. 1
- 10. 2
- 11. 10
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20