πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 11 = ?
Answer: ______________
217 − 8 = ?
Answer: ______________
317 − 14 = ?
Answer: ______________
414 − 10 = ?
Answer: ______________
519 − 13 = ?
Answer: ______________
615 − 8 = ?
Answer: ______________
7Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
811 − 4 = ?
Answer: ______________
913 − 13 = ?
Answer: ______________
10Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
11Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
1217 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 9
- 3. 3
- 4. 4
- 5. 6
- 6. 7
- 7. 4
- 8. 7
- 9. 0
- 10. 5
- 11. 2
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20