πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
110 + 9 = ?
Answer: ______________
2Make a ten: 9 + 3 = 9 + 1 + ?
Answer: ______________
319 − 12 = ?
Answer: ______________
4Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
515 − 12 = ?
Answer: ______________
618 − 9 = ?
Answer: ______________
79 + 6 = ?
Answer: ______________
86 + 3 = ?
Answer: ______________
917 − 7 = ?
Answer: ______________
105 + 9 = ?
Answer: ______________
118 + 8 = ?
Answer: ______________
1211 − 6 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 19
- 2. 2
- 3. 7
- 4. 13
- 5. 3
- 6. 9
- 7. 15
- 8. 9
- 9. 10
- 10. 14
- 11. 16
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20