πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
213 − 1 = ?
Answer: ______________
315 − 6 = ?
Answer: ______________
47 − 6 = ?
Answer: ______________
5Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
65 − 3 = ?
Answer: ______________
710 − 6 = ?
Answer: ______________
88 − 1 = ?
Answer: ______________
96 − 4 = ?
Answer: ______________
106 − 1 = ?
Answer: ______________
1116 − 9 = ?
Answer: ______________
126 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 12
- 3. 9
- 4. 1
- 5. 11
- 6. 2
- 7. 4
- 8. 7
- 9. 2
- 10. 5
- 11. 7
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20