πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
2Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
3Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
415 − 8 = ?
Answer: ______________
510 + 5 = ?
Answer: ______________
65 + 9 = ?
Answer: ______________
77 + 8 = ?
Answer: ______________
8Near doubles: 4 + 4 = 8. So 4 + 5 = ?
Answer: ______________
99 + 9 = ?
Answer: ______________
10Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
119 + 7 = ?
Answer: ______________
12Make a ten: 8 + 8 = 8 + 2 + ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 3
- 3. 5
- 4. 7
- 5. 15
- 6. 14
- 7. 15
- 8. 9
- 9. 18
- 10. 2
- 11. 16
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20