πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 10 = ?
Answer: ______________
2Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
315 − 2 = ?
Answer: ______________
413 − 3 = ?
Answer: ______________
515 − 6 = ?
Answer: ______________
618 − 3 = ?
Answer: ______________
716 − 13 = ?
Answer: ______________
813 − 10 = ?
Answer: ______________
917 − 11 = ?
Answer: ______________
10Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
11Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
1217 − 14 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 2
- 3. 13
- 4. 10
- 5. 9
- 6. 15
- 7. 3
- 8. 3
- 9. 6
- 10. 2
- 11. 3
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20