πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
115 − 10 = ?
Answer: ______________
213 − 6 = ?
Answer: ______________
3Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
4Make a ten: 6 + 9 = 6 + 4 + ?
Answer: ______________
511 − 11 = ?
Answer: ______________
6Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
710 + 5 = ?
Answer: ______________
8Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
919 − 16 = ?
Answer: ______________
10Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
117 + 7 = ?
Answer: ______________
129 + 7 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 5
- 2. 7
- 3. 13
- 4. 5
- 5. 0
- 6. 4
- 7. 15
- 8. 5
- 9. 3
- 10. 1
- 11. 14
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20