Expressions and Equations Vocabulary

Front

What are the rules to be followed when simplifying expressions?

Back

Order of operations.

Front

What is a number that does not change; a single number?

Back

Constant.

Front

Is 4x + 7m - 3 an expression or an equation?

Back

Expression.

Front

What is a mathematical sentence that has an equal sign?

Back

Equation.

Front

Identify the constants in the expression: 9 + 7n - 10x + 15.

Back

9 and 15.

Front

What is an algebraic expression?

Back

A combination of numbers, variables, and operations without an equal sign.

Front

What is a variable?

Back

A symbol, often a letter, that represents a number in an expression or equation.

Front

What is a coefficient?

Back

A number that is multiplied by a variable in an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.