The sum of $1 + 1$ is:

$1 + 1 = 2$

Would you like further details or have any questions?

Here are 5 related questions:

1. What is $1 + 2$?
2. How do you calculate $2 + 3$?
3. What is the sum of $5 + 5$?
4. Can you find $10 - 1$?
5. What is $2 \times 1$?

Tip: When adding whole numbers, you're finding the total amount by combining the values together!