πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
17 + 4 = ?
Answer: ______________
29 + 3 = ?
Answer: ______________
3Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
416 − 13 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
6Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
79 + 9 = ?
Answer: ______________
85 + 10 = ?
Answer: ______________
9Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
1013 − 10 = ?
Answer: ______________
115 + 9 = ?
Answer: ______________
1211 − 1 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 12
- 3. 8
- 4. 3
- 5. 8
- 6. 1
- 7. 18
- 8. 15
- 9. 2
- 10. 3
- 11. 14
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20