πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 5 = ?
Answer: ______________
214 − 7 = ?
Answer: ______________
3Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
415 − 2 = ?
Answer: ______________
5Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
69 − 3 = ?
Answer: ______________
715 − 3 = ?
Answer: ______________
8Start at 18 and count back 3. Where do you land? (18 − 3)
Answer: ______________
98 − 8 = ?
Answer: ______________
1011 − 9 = ?
Answer: ______________
11Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
1213 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 7
- 3. 8
- 4. 13
- 5. 12
- 6. 6
- 7. 12
- 8. 15
- 9. 0
- 10. 2
- 11. 14
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20