πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 2 = ?
Answer: ______________
210 + 10 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
416 − 7 = ?
Answer: ______________
510 + 7 = ?
Answer: ______________
67 + 10 = ?
Answer: ______________
7Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
815 − 2 = ?
Answer: ______________
9Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
107 + 9 = ?
Answer: ______________
11Make a ten: 6 + 5 = 6 + 4 + ?
Answer: ______________
1214 − 3 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 9
- 2. 20
- 3. 3
- 4. 9
- 5. 17
- 6. 17
- 7. 1
- 8. 13
- 9. 2
- 10. 16
- 11. 1
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20