πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 11 = ?
Answer: ______________
220 − 19 = ?
Answer: ______________
3Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
415 − 1 = ?
Answer: ______________
520 − 8 = ?
Answer: ______________
615 − 9 = ?
Answer: ______________
713 − 11 = ?
Answer: ______________
811 − 10 = ?
Answer: ______________
911 − 6 = ?
Answer: ______________
1011 − 8 = ?
Answer: ______________
11Get to ten first: 11 − 4 = 11 − 1 − ?
Answer: ______________
1218 − 12 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 1
- 3. 5
- 4. 14
- 5. 12
- 6. 6
- 7. 2
- 8. 1
- 9. 5
- 10. 3
- 11. 3
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20