πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
211 − 11 = ?
Answer: ______________
318 − 4 = ?
Answer: ______________
4Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
519 − 2 = ?
Answer: ______________
6Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
717 − 1 = ?
Answer: ______________
819 − 3 = ?
Answer: ______________
915 − 13 = ?
Answer: ______________
1017 − 11 = ?
Answer: ______________
1112 − 1 = ?
Answer: ______________
1218 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 0
- 3. 14
- 4. 3
- 5. 17
- 6. 1
- 7. 16
- 8. 16
- 9. 2
- 10. 6
- 11. 11
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20