πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
18 − 6 = ?
Answer: ______________
210 − 7 = ?
Answer: ______________
3Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
49 − 8 = ?
Answer: ______________
59 − 5 = ?
Answer: ______________
616 − 9 = ?
Answer: ______________
7Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
810 − 8 = ?
Answer: ______________
913 − 1 = ?
Answer: ______________
1010 − 5 = ?
Answer: ______________
119 − 6 = ?
Answer: ______________
1212 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 3
- 3. 11
- 4. 1
- 5. 4
- 6. 7
- 7. 7
- 8. 2
- 9. 12
- 10. 5
- 11. 3
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20