πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Near doubles: 4 + 4 = 8. So 4 + 5 = ?
Answer: ______________
2Near doubles: 3 + 3 = 6. So 3 + 2 = ?
Answer: ______________
3Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
417 − 14 = ?
Answer: ______________
56 + 8 = ?
Answer: ______________
619 − 12 = ?
Answer: ______________
710 + 5 = ?
Answer: ______________
89 + 5 = ?
Answer: ______________
99 + 4 = ?
Answer: ______________
105 + 3 = ?
Answer: ______________
1118 − 11 = ?
Answer: ______________
1213 − 4 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 9
- 2. 5
- 3. 2
- 4. 3
- 5. 14
- 6. 7
- 7. 15
- 8. 14
- 9. 13
- 10. 8
- 11. 7
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20