The result of $10 + 10$ is:

$10 + 10 = 20$

Would you like more details or have any questions?

Here are 5 related questions to explore further:

1. What is $20 + 30$?
2. How do you add three numbers, like $10 + 15 + 20$?
3. What is the difference between $20$ and $10$?
4. How can you subtract $10$ from $30$?
5. What is the result of $10 \times 2$?

Tip: When adding multiple numbers, it can be helpful to group them in pairs for easier calculation.