The answer to $1 + 1$ is:

$1 + 1 = 2$

Let me know if you have any further questions or want to explore more about addition or arithmetic operations!

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Related Questions:

1. What is the sum of $2 + 3$?
2. How does addition relate to subtraction?
3. Can you explain the concept of "carrying over" in addition?
4. What happens when you add a negative number to a positive number?
5. How does addition work with fractions or decimals?

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Tip: Addition is commutative, meaning $a + b = b + a$. Use this property to simplify calculations!