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mean

a measure of central tendency often referred to as average

division

the inverse operation of multiplication

equal

having the same value

equation

a mathematical sentence relating two mathematical expressions with an equal sign

fraction

a number expressed in the form a/b where a and b are whole numbers

integers

the set of numbers

measure of central tendency

mean, median, mode

median

the middle number of a set of data.

mode

the number or numbers that show up the most in a set of data

negative numbers

numbers that are less than 0

number line

a diagram representing all real numbers as points on a line

numberical order

to write numbers from smallest to largest

range

the difference between the least and greatest pieces of data

scale

an arrangement of numbers in uniform intervals

solution

any value for a variable that makes an equation true

stem and leaf plot

a frequency distribution made by arranging the data

variable

a symbol or letter that stands for a number