The distance between a number and zero on a number line

A combination of variables, numbers, and at least one operation 

The measure of the interior surface of a two-dimensional figure

The sum of two or more quantities divided by the number of quantities; the mean

In a power, the number used as a factor

The numerical factor of a term that contains a variable

The order in which numbers are added or multiplied does not change the sum or product

A term without a variable 

To multiply a sum by a number, multiply each addend by the number outside the parentheses

A mathematical sentence showing two expressions are equal

In a power, the number that tells how many times the base is used as a factor

The process of writing numeric or algebraic expressions as a product of their factors

A mathematical sentence indicating that two quantities are not equal

Any positive or negative whole number

Operations which undo each other

Terms that contain the same variable(s) to the same power

The sum of the numbers in a set of data divided by the number of pieces of data

A combination of numbers and operations

A ratio, or rate, that compares a number to 100

A number that can be written as a fraction

Each part of an algebraic expression separated by a plus or minus sign