Want to speak the language of algebra fluently? You must master these 20 key vocabulary words.

1. Variable: A symbol (like x) for a value we don't know yet.

2. Coefficient: The number multiplied in front of a variable.

3. Constant: A number on its own, with no variable.

4. Term: A single number, variable, or a mix of both.

5. Expression: A group of terms without an equals sign.

6. Equation: A statement that two expressions are equal.

7. Exponent: Shows how many times to multiply a number by itself.

8. Polynomial: An expression with multiple terms.

9. Binomial: A polynomial with exactly two terms.