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Part a piece of a whole Part Whole

# Fraction Unit Vocabulary/Word Wall

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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

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