Parts of an Expression

Front

What is a variable?

Back

A letter that represents an unknown number.

Front

What is a constant?

Back

A number.

Front

What is a coefficient?

Back

The number in front of a letter.

Front

What is a difference?

Back

The answer to a subtraction problem.

Front

What is a product?

Back

The answer to a multiplication problem.

Front

What is an expression?

Back

A combination of numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal.

Front

What is a term in an expression?

Back

A single number, variable, or the product of numbers and variables.

Front

What is the sum?

Back

The answer to an addition problem.