πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 3 = ?
Answer: ______________
26 + 10 = ?
Answer: ______________
312 − 11 = ?
Answer: ______________
4Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
518 − 2 = ?
Answer: ______________
6Near doubles: 8 + 8 = 16. So 8 + 9 = ?
Answer: ______________
7Make a ten: 6 + 5 = 6 + 4 + ?
Answer: ______________
8Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
97 + 5 = ?
Answer: ______________
1016 − 1 = ?
Answer: ______________
117 + 8 = ?
Answer: ______________
128 + 10 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 16
- 3. 1
- 4. 3
- 5. 16
- 6. 17
- 7. 1
- 8. 4
- 9. 12
- 10. 15
- 11. 15
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20