πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 10 = ?
Answer: ______________
211 − 5 = ?
Answer: ______________
314 − 1 = ?
Answer: ______________
416 − 9 = ?
Answer: ______________
520 − 5 = ?
Answer: ______________
616 − 7 = ?
Answer: ______________
717 − 14 = ?
Answer: ______________
820 − 14 = ?
Answer: ______________
9Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
10Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
11Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
1212 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 6
- 3. 13
- 4. 7
- 5. 15
- 6. 9
- 7. 3
- 8. 6
- 9. 2
- 10. 2
- 11. 1
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20