Expressions Math Vocabulary

What do you call a mathematical phrase that combines numbers and/or variables using mathematical operations?

• Equation

• Function

• Expression

• Variable

Which term refers to a number that is multiplied by a variable in an algebraic expression?

• Constant

• Coefficient

• Exponent

• Term

What is the term for a number that does not change in an algebraic expression?

• Variable

• Constant

• Coefficient

• Term

multiplies a term outside of parentheses to all terms inside

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

a letter that represents an unknown

the number in front of a variable

Replacing a variable with a term or expression.

A fixed number; the value never changes