πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
17 + 3 = ?
Answer: ______________
2Near doubles: 4 + 4 = 8. So 4 + 3 = ?
Answer: ______________
3Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
46 + 9 = ?
Answer: ______________
5Near doubles: 5 + 5 = 10. So 5 + 4 = ?
Answer: ______________
617 − 7 = ?
Answer: ______________
7Near doubles: 9 + 9 = 18. So 9 + 10 = ?
Answer: ______________
811 − 7 = ?
Answer: ______________
915 − 7 = ?
Answer: ______________
107 + 4 = ?
Answer: ______________
1117 − 5 = ?
Answer: ______________
1214 − 12 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 10
- 2. 7
- 3. 11
- 4. 15
- 5. 9
- 6. 10
- 7. 19
- 8. 4
- 9. 8
- 10. 11
- 11. 12
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20