$1 + 1 = 2$

Would you like more details or have any questions?

Here are 5 related questions:

1. What is $2 + 2$?
2. What happens when you add negative numbers?
3. How do you add fractions?
4. How does addition work in different number systems (e.g., binary)?
5. What is the difference between addition and multiplication?

Tip: Addition is a basic operation in arithmetic, combining two numbers to form a sum.