πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 6 = ?
Answer: ______________
218 − 1 = ?
Answer: ______________
3Start at 9 and count back 3. Where do you land? (9 − 3)
Answer: ______________
415 − 8 = ?
Answer: ______________
512 − 5 = ?
Answer: ______________
65 − 3 = ?
Answer: ______________
713 − 3 = ?
Answer: ______________
814 − 2 = ?
Answer: ______________
9Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
109 − 9 = ?
Answer: ______________
1110 − 6 = ?
Answer: ______________
128 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 17
- 3. 6
- 4. 7
- 5. 7
- 6. 2
- 7. 10
- 8. 12
- 9. 12
- 10. 0
- 11. 4
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20