πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
119 − 1 = ?
Answer: ______________
2Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
3Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
418 − 10 = ?
Answer: ______________
514 − 1 = ?
Answer: ______________
618 − 16 = ?
Answer: ______________
718 − 9 = ?
Answer: ______________
86 + 3 = ?
Answer: ______________
9Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
1020 − 12 = ?
Answer: ______________
117 + 9 = ?
Answer: ______________
1216 − 12 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 18
- 2. 1
- 3. 3
- 4. 8
- 5. 13
- 6. 2
- 7. 9
- 8. 9
- 9. 1
- 10. 8
- 11. 16
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20