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: 12 − 5 = 12 − 2 − ?
Answer: ______________
217 − 2 = ?
Answer: ______________
3Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
4Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
511 − 1 = ?
Answer: ______________
613 − 5 = ?
Answer: ______________
7Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
819 − 6 = ?
Answer: ______________
919 − 8 = ?
Answer: ______________
1016 − 1 = ?
Answer: ______________
11Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
1213 − 11 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 15
- 3. 5
- 4. 5
- 5. 10
- 6. 8
- 7. 7
- 8. 13
- 9. 11
- 10. 15
- 11. 1
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20