πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 2 = ?
Answer: ______________
213 − 1 = ?
Answer: ______________
3Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
4Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
518 − 3 = ?
Answer: ______________
616 − 2 = ?
Answer: ______________
78 − 3 = ?
Answer: ______________
816 − 6 = ?
Answer: ______________
912 − 1 = ?
Answer: ______________
10Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
117 − 1 = ?
Answer: ______________
12Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 12
- 3. 8
- 4. 7
- 5. 15
- 6. 14
- 7. 5
- 8. 10
- 9. 11
- 10. 13
- 11. 6
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20