Expressions and Equations Vocab

Front

A term that is a fixed value and cannot change. Example: 5x - 4 = 11

Back

Constant

Front

A mathematical sentence without an equal sign. Example: 4x, 5(4+7) - 3²

Back

Expression

Front

A letter for an unknown value (e.g., 5x - 4 = 11)

Back

Variable

Front

A mathematical sentence with an equal sign. Example: 4x = 5x - 8, 3 = 7y - 2

Back

Equation

Front

A value that makes a statement true

Back

Solution

Front

Value in front of a variable, always multiplied by it. Example: 5x - 4 = 11

Back

Coefficient

Front

A mathematical sentence with only numbers/operations, no equal sign. Example: 5(4+7) - 3²

Back

Numerical Expression

Front

A mathematical sentence with numbers, variables, and operation symbols, but no equal sign. Example: 4x, 7y - 2(5)

Back

Algebraic Expression

Front

Result of an addition expression when simplified

Back

Sum

Front

Result of a subtraction expression when simplified

Back

Difference