πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Near doubles: 8 + 8 = 16. So 8 + 9 = ?
Answer: ______________
218 − 12 = ?
Answer: ______________
3Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
414 − 1 = ?
Answer: ______________
517 − 7 = ?
Answer: ______________
6Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
711 − 10 = ?
Answer: ______________
811 − 4 = ?
Answer: ______________
915 − 9 = ?
Answer: ______________
106 + 4 = ?
Answer: ______________
11Make a ten: 6 + 9 = 6 + 4 + ?
Answer: ______________
1220 − 14 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 17
- 2. 6
- 3. 1
- 4. 13
- 5. 10
- 6. 1
- 7. 1
- 8. 7
- 9. 6
- 10. 10
- 11. 5
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20