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: 13 − 5 = 13 − 3 − ?
Answer: ______________
214 − 4 = ?
Answer: ______________
3Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
415 − 4 = ?
Answer: ______________
5Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
6Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
7Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
8Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
913 − 1 = ?
Answer: ______________
1012 − 10 = ?
Answer: ______________
1113 − 2 = ?
Answer: ______________
1213 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 10
- 3. 6
- 4. 11
- 5. 1
- 6. 5
- 7. 2
- 8. 3
- 9. 12
- 10. 2
- 11. 11
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20