πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
119 − 10 = ?
Answer: ______________
2Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
319 − 4 = ?
Answer: ______________
413 − 12 = ?
Answer: ______________
5Make a ten: 9 + 2 = 9 + 1 + ?
Answer: ______________
6Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
7Make a ten: 6 + 6 = 6 + 4 + ?
Answer: ______________
811 − 11 = ?
Answer: ______________
9Near doubles: 9 + 9 = 18. So 9 + 8 = ?
Answer: ______________
107 + 4 = ?
Answer: ______________
11Near doubles: 8 + 8 = 16. So 8 + 7 = ?
Answer: ______________
12Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 9
- 2. 5
- 3. 15
- 4. 1
- 5. 1
- 6. 7
- 7. 2
- 8. 0
- 9. 17
- 10. 11
- 11. 15
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20