πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 6 = ?
Answer: ______________
29 + 8 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
4Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
515 − 6 = ?
Answer: ______________
6Make a ten: 9 + 3 = 9 + 1 + ?
Answer: ______________
710 + 5 = ?
Answer: ______________
86 + 7 = ?
Answer: ______________
912 − 9 = ?
Answer: ______________
1016 − 10 = ?
Answer: ______________
1114 − 2 = ?
Answer: ______________
1215 − 15 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 17
- 3. 3
- 4. 2
- 5. 9
- 6. 2
- 7. 15
- 8. 13
- 9. 3
- 10. 6
- 11. 12
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20