πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 16 = ?
Answer: ______________
212 − 10 = ?
Answer: ______________
3Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
415 − 14 = ?
Answer: ______________
512 − 6 = ?
Answer: ______________
614 − 8 = ?
Answer: ______________
718 − 9 = ?
Answer: ______________
818 − 2 = ?
Answer: ______________
9Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
1012 − 3 = ?
Answer: ______________
1116 − 12 = ?
Answer: ______________
12Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 2
- 3. 1
- 4. 1
- 5. 6
- 6. 6
- 7. 9
- 8. 16
- 9. 1
- 10. 9
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20