$1 + 1 = 2$

Would you like a more detailed explanation, or do you have any questions about this?

Here are five follow-up questions to explore:

1. What is the concept of addition in mathematics?
2. Can you add more complex numbers like fractions or decimals?
3. What is the associative property of addition?
4. How does addition relate to subtraction?
5. What is the identity element in addition?

Tip: The number 0 is known as the additive identity because adding it to any number doesn’t change the value of that number!