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 + 7 = 6 + 4 + ?
Answer: ______________
2Make a ten: 9 + 8 = 9 + 1 + ?
Answer: ______________
317 − 3 = ?
Answer: ______________
4Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
513 − 6 = ?
Answer: ______________
65 + 7 = ?
Answer: ______________
710 + 5 = ?
Answer: ______________
89 + 5 = ?
Answer: ______________
911 − 3 = ?
Answer: ______________
10Make a ten: 7 + 6 = 7 + 3 + ?
Answer: ______________
1116 − 4 = ?
Answer: ______________
129 + 8 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 7
- 3. 14
- 4. 5
- 5. 7
- 6. 12
- 7. 15
- 8. 14
- 9. 8
- 10. 3
- 11. 12
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20