πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 9 = ?
Answer: ______________
2Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
311 − 9 = ?
Answer: ______________
4Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
511 − 11 = ?
Answer: ______________
615 − 8 = ?
Answer: ______________
7Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
811 − 10 = ?
Answer: ______________
915 − 10 = ?
Answer: ______________
1016 − 7 = ?
Answer: ______________
1113 − 4 = ?
Answer: ______________
1216 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 1
- 3. 2
- 4. 2
- 5. 0
- 6. 7
- 7. 2
- 8. 1
- 9. 5
- 10. 9
- 11. 9
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20