Understanding Expressions and Equations

Front

Expression

Back

A combination of numbers, variables, and operations

Front

Equation

Back

A mathematical statement that two expressions are equal

Front

Variable

Back

A symbol, usually a letter, that represents an unknown value

Front

Constant

Back

A fixed value that does not change

Front

Coefficient

Back

A number multiplied by a variable in an expression

Front

Solution of an Equation

Back

A value that makes the equation true

Front

Simplifying Expressions

Back

Combining like terms and performing operations

Front

Like Terms

Back

Terms with the same variable and exponent

Front

Distributive Property

Back

a(b + c) = ab + ac

Front

Inequality

Back

A statement that compares two expressions using <, >, ≤, or ≥