πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Make a ten: 9 + 6 = 9 + 1 + ?
Answer: ______________
218 − 14 = ?
Answer: ______________
3Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
49 + 8 = ?
Answer: ______________
514 − 1 = ?
Answer: ______________
6Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
75 + 10 = ?
Answer: ______________
8Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
9Make a ten: 8 + 8 = 8 + 2 + ?
Answer: ______________
1013 − 9 = ?
Answer: ______________
1119 − 12 = ?
Answer: ______________
12Get to ten first: 11 − 3 = 11 − 1 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 5
- 2. 4
- 3. 1
- 4. 17
- 5. 13
- 6. 13
- 7. 15
- 8. 2
- 9. 6
- 10. 4
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20