πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Make a ten: 6 + 9 = 6 + 4 + ?
Answer: ______________
2Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
310 + 5 = ?
Answer: ______________
45 + 9 = ?
Answer: ______________
57 + 9 = ?
Answer: ______________
6Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
718 − 12 = ?
Answer: ______________
813 − 13 = ?
Answer: ______________
9Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
1013 − 6 = ?
Answer: ______________
1116 − 12 = ?
Answer: ______________
125 + 8 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 5
- 2. 3
- 3. 15
- 4. 14
- 5. 16
- 6. 1
- 7. 6
- 8. 0
- 9. 3
- 10. 7
- 11. 4
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20