πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 12 = ?
Answer: ______________
215 − 4 = ?
Answer: ______________
3Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
419 − 2 = ?
Answer: ______________
519 − 1 = ?
Answer: ______________
618 − 11 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
820 − 18 = ?
Answer: ______________
914 − 6 = ?
Answer: ______________
1017 − 4 = ?
Answer: ______________
1118 − 3 = ?
Answer: ______________
1219 − 12 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 11
- 3. 5
- 4. 17
- 5. 18
- 6. 7
- 7. 9
- 8. 2
- 9. 8
- 10. 13
- 11. 15
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20