Math Vocabulary

Front

Integers are

Back

negative and positive whole numbers

Front

Irrational numbers are

Back

numbers that don't terminate or repeat

Front

Rational numbers are

Back

numbers that terminate or repeat

Front

An equation is

Back

a problem with an equals sign

Front

A variable is

Back

a letter that represents a number

Front

An expression is

Back

a problem without an equals sign

Front

Real numbers are: only rational, all numbers, only irrational, whole numbers only

Back

all numbers

Front

What is the median number?

Back

The median number is the middle value in a list of numbers when they are arranged in order.

Front

What is the mean number?

Back

The average