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Parta piece of a whole
Part
Whole
Divideto separate into parts
Fractionnames a part
of a whole
Halfone of two equal parts
Thirdone of three equal parts
Quarterone part of four equal parts
Numeratorthe number
above the fraction line,
to show a number of parts in a
whole
Denominatorthe number
below the fraction line,
to show the number of equal
parts that the whole is divided
Common
denominatorhaving the same
denominator
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.
Equalhaving the same
value, size, or
number
Equivalent fractionsdifferent fractions
that have the same value
Proper Fractiona fraction less than one,
with the numerator
less than the denominator
Improper fractiona fraction whose numerator
is greater or equal to its
denominator
Mixed Numbera number that has both
a whole number and
a fraction
Tenthone of 10
equal parts
Hundredthone of 100
equal parts
Thousandthone of 1,000
equal parts
Decimala fraction whose denominator
is a power of ten
Ratioa relationship
between two items
Percentagea rate or amount in a 100
Percent (%)
Datainformation
collected
to be
studied
Statistic a piece of
data from a
big quantity
of
information
Analyze/
Analyse
to study
something
closely
and
carefully
Intervala group of numbers in
between two ordered points
Intervals
Averagea typical or central value
of a set of numbers;
sum of a data set divided by
numbers in the set
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