πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 3 = ?
Answer: ______________
2Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
314 − 3 = ?
Answer: ______________
411 − 4 = ?
Answer: ______________
515 − 4 = ?
Answer: ______________
613 − 2 = ?
Answer: ______________
7Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
817 − 12 = ?
Answer: ______________
911 − 2 = ?
Answer: ______________
10Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
1114 − 7 = ?
Answer: ______________
1216 − 13 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 17
- 2. 2
- 3. 11
- 4. 7
- 5. 11
- 6. 11
- 7. 5
- 8. 5
- 9. 9
- 10. 5
- 11. 7
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20