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: ______________
28 − 4 = ?
Answer: ______________
315 − 6 = ?
Answer: ______________
4Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
5Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
611 − 6 = ?
Answer: ______________
76 − 4 = ?
Answer: ______________
89 − 5 = ?
Answer: ______________
9Start at 11 and count back 3. Where do you land? (11 − 3)
Answer: ______________
105 − 4 = ?
Answer: ______________
1118 − 6 = ?
Answer: ______________
12Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 4
- 3. 9
- 4. 16
- 5. 7
- 6. 5
- 7. 2
- 8. 4
- 9. 8
- 10. 1
- 11. 12
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20