πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 7 = ?
Answer: ______________
218 − 8 = ?
Answer: ______________
3Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
411 − 9 = ?
Answer: ______________
57 − 2 = ?
Answer: ______________
620 − 1 = ?
Answer: ______________
7Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
8Start at 12 and count back 2. Where do you land? (12 − 2)
Answer: ______________
97 − 5 = ?
Answer: ______________
1011 − 5 = ?
Answer: ______________
1118 − 6 = ?
Answer: ______________
127 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 10
- 3. 11
- 4. 2
- 5. 5
- 6. 19
- 7. 7
- 8. 10
- 9. 2
- 10. 6
- 11. 12
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20