πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 3 = ?
Answer: ______________
218 − 8 = ?
Answer: ______________
35 − 3 = ?
Answer: ______________
411 − 6 = ?
Answer: ______________
5Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
618 − 4 = ?
Answer: ______________
7Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
8Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
95 − 2 = ?
Answer: ______________
10Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
115 − 5 = ?
Answer: ______________
126 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 10
- 3. 2
- 4. 5
- 5. 9
- 6. 14
- 7. 11
- 8. 13
- 9. 3
- 10. 7
- 11. 0
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20