The answer to $1 + 1$ is $2$.

Would you like more details or have any questions about this? Here are some related questions to explore:

1. What is the sum of $2 + 2$?
2. How does addition work for larger numbers?
3. Can addition be performed with fractions or decimals?
4. What happens when you add negative numbers?
5. How is addition used in solving equations?

Tip: Practicing basic operations like addition and subtraction helps build a strong foundation for more advanced math concepts!