###
composite number

numbers that are divisible by more than two numbers

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divisible

able to be divided by a number without having a remainder

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factor

whole numbers that are multiplied to find a product

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greatest common factor

the largest of the common factors shared by two or more numbers

###
prime factorization

the process of writing the number as the product of its prime factors

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prime number

a number divisible by only the number 1 and itself

###
equivalent fractions

fractions that represent the same value

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simplest form

a fraction where the greatest common factor of the numerator and the denominator is 1

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least common multiple

the smallest number that is a multiple of two or more numbers

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mean

The sum of all the items, divided by the number of items in the set (sometimes called an average)

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median

The middle value when the data are in numerical order or the mean of the two middle numbers if there is an even number of items

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mode

The value or values that occur most often in a set of data

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range

The difference between the least and the greatest values in the set

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bar graph

Displays data with vertical or horizontal bars

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coordinate grid

A plane formed by the intersection of the x-axis and the y-axis

###
double-line graph line

graphs that display two sets of data

###
ordered pair

Two numbers that name a location on a coordinate grid

###
stem-and-leaf plot

Shows data arranged by place value

###
line graph

Displays a set of data using line segments

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line plot

A method of displaying data that uses a number line to show the frequency of values

###
double-bar graph

A bar graph that shows two related sets of data

###
Coordinates

the numbers in an ordered pair that locate a point on a coordinate graph

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Quadrants

the four areas created by the axes on a coordinate plane

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x-axis

the horizontal axis on the coordinate plane

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x-coodinate

the first value in an ordered pair

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y-axis

the vertical axis on the coordinate plane

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y-coordinate

the second value in an ordered pair

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coordinate plane

formed by two number lines in a plane that intersect at right angles at zero on each number line

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