πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
216 − 8 = ?
Answer: ______________
312 − 1 = ?
Answer: ______________
414 − 9 = ?
Answer: ______________
5Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
618 − 8 = ?
Answer: ______________
7Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
813 − 7 = ?
Answer: ______________
9Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
1014 − 4 = ?
Answer: ______________
1120 − 1 = ?
Answer: ______________
129 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 11
- 2. 8
- 3. 11
- 4. 5
- 5. 13
- 6. 10
- 7. 8
- 8. 6
- 9. 14
- 10. 10
- 11. 19
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20