πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 8 = ?
Answer: ______________
211 − 8 = ?
Answer: ______________
312 − 3 = ?
Answer: ______________
4Get to ten first: 11 − 3 = 11 − 1 − ?
Answer: ______________
5Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
614 − 6 = ?
Answer: ______________
718 − 13 = ?
Answer: ______________
817 − 8 = ?
Answer: ______________
917 − 6 = ?
Answer: ______________
1020 − 16 = ?
Answer: ______________
11Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
1215 − 13 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 3
- 3. 9
- 4. 2
- 5. 1
- 6. 8
- 7. 5
- 8. 9
- 9. 11
- 10. 4
- 11. 4
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20