Expressions and Operators

Build values from other values using operators.

Do this: Read the concept below, then try the quiz or activity.

Lesson 3 of 20
10%

Concept

Use arithmetic (+, -, *, /), comparison (==, <, >), and logical (&&, ||, !) operators to form expressions. Beware of integer vs floating division and operator precedence.

Try it

Evaluate an expression like (5 + 2) * 3 > 10 && 4 % 2 === 0 and explain why.