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Fraction Unit Vocabulary/Word Wall

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Parta piece of a whole

Part

Whole

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Divideto separate into parts

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Fractionnames a part

of a whole

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Halfone of two equal parts

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Thirdone of three equal parts

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Quarterone part of four equal parts

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Numeratorthe number

above the fraction line,

to show a number of parts in a

whole

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Denominatorthe number

below the fraction line,

to show the number of equal

parts that the whole is divided

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Common

denominatorhaving the same

denominator

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Lowest termsA fraction is in simplest form when the

top and bottom cannot be any

smaller.

To simplify a

fraction, divide

the top and

bottom by the

highest number

that can divide

into both numbers

exactly.

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Equalhaving the same

value, size, or

number

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Equivalent fractionsdifferent fractions

that have the same value

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Proper Fractiona fraction less than one,

with the numerator

less than the denominator

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Improper fractiona fraction whose numerator

is greater or equal to its

denominator

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Mixed Numbera number that has both

a whole number and

a fraction

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Tenthone of 10

equal parts

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Hundredthone of 100

equal parts

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Thousandthone of 1,000

equal parts

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Decimala fraction whose denominator

is a power of ten

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Ratioa relationship

between two items

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Percentagea rate or amount in a 100

Percent (%)

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Datainformation

collected

to be

studied

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Statistic a piece of

data from a

big quantity

of

information

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Analyze/

Analyse

to study

something

closely

and

carefully

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Intervala group of numbers in

between two ordered points

Intervals

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Averagea typical or central value

of a set of numbers;

sum of a data set divided by

numbers in the set

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Meanthe average

of a data set

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Modethe value or

values that

appear most

in a data set

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Rangethe difference

between the

maximum

(biggest) and the

minimum

(smallest) value in

a set of data

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Medianthe middle

value

in a data set

ordered

from smallest to

largest

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Minimumthe smallest

amount

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Maximum

the largest

amount

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Probabilitythe chance that something

will happen

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