$1 + 1 = 2$

Would you like more details or have any questions?

Here are five related questions to explore further:

1. What is $2 + 2$?
2. How would you calculate $3 + 1$?
3. What is the result of $5 - 3$?
4. Can you find the sum of $10 + 0$?
5. What is the result of $100 + 200$?

Tip: Remember, addition is commutative, meaning $a + b = b + a$.