πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
116 − 7 = ?
Answer: ______________
220 − 3 = ?
Answer: ______________
3Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
419 − 12 = ?
Answer: ______________
5Near doubles: 8 + 8 = 16. So 8 + 9 = ?
Answer: ______________
613 − 11 = ?
Answer: ______________
7Near doubles: 5 + 5 = 10. So 5 + 4 = ?
Answer: ______________
814 − 9 = ?
Answer: ______________
99 + 3 = ?
Answer: ______________
108 + 9 = ?
Answer: ______________
115 + 3 = ?
Answer: ______________
127 + 3 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 9
- 2. 17
- 3. 1
- 4. 7
- 5. 17
- 6. 2
- 7. 9
- 8. 5
- 9. 12
- 10. 17
- 11. 8
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20