πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 4 = ?
Answer: ______________
219 − 8 = ?
Answer: ______________
3Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
47 − 6 = ?
Answer: ______________
512 − 7 = ?
Answer: ______________
618 − 1 = ?
Answer: ______________
711 − 1 = ?
Answer: ______________
8Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
910 − 7 = ?
Answer: ______________
10Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
119 − 7 = ?
Answer: ______________
12Start at 15 and count back 3. Where do you land? (15 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 11
- 3. 13
- 4. 1
- 5. 5
- 6. 17
- 7. 10
- 8. 16
- 9. 3
- 10. 5
- 11. 2
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20