πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
114 − 1 = ?
Answer: ______________
2Make a ten: 7 + 4 = 7 + 3 + ?
Answer: ______________
3Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
417 − 12 = ?
Answer: ______________
56 + 9 = ?
Answer: ______________
67 + 9 = ?
Answer: ______________
7Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
86 + 10 = ?
Answer: ______________
918 − 10 = ?
Answer: ______________
10Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
11Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
1218 − 4 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 13
- 2. 1
- 3. 3
- 4. 5
- 5. 15
- 6. 16
- 7. 4
- 8. 16
- 9. 8
- 10. 2
- 11. 1
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20