The expression represented by the number line is:

$-2 + 5$

This corresponds to starting at -2, moving 2 units to the right to reach 0, and then moving 3 more units to the right to reach 3, which gives a total move of 5 units to the right from -2.

Would you like any further details or have any other questions?

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Here are 5 related questions you might find interesting:

1. How can you use a number line to represent the expression $-3 + 4$?
2. What would the expression look like if you moved left on the number line instead of right?
3. How do you solve an expression like $-4 + (-3)$ using a number line?
4. Can you represent multiplication using a number line? If so, how?
5. How does the distance between two points on a number line relate to subtraction?

Tip: When writing expressions, always pay attention to the direction of movement on the number line to ensure accuracy!