The cardinal
numbers (one, two, three, etc.) are adjectives referring to quantity,
and the ordinal numbers (first, second, third, etc.) refer to
distribution.
Number
Ordinal
Cardinal
1
first
one
2
two
second
3
three
third
4
four
fourth
5
five
fifth
6
six
sixth
7
seven
seventh
8
eight
eighth
9
nine
ninth
10
ten
tenth
11
eleven
eleventh
12
twelve
twelfth
13
thirteen
thirteenth
14
fourteen
fourteenth
15
fifteen
fifteenth
16
sixteen
sixteenth
17
seventeen
seventeenth
18
eighteen
eighteenth
19
nineteen
nineteenth
20
twenty
twentieth
21
twenty-one
twenty-first
22
twenty-two
twenty-second
23
twenty-three
twenty-third
24
twenty-four
twenty-fourth
25
twenty-five
twenty-fifth
26
twenty-six
twenty-sixth
27
twenty-seven
twenty-seventh
28
twenty-eight
twenty-eighth
29
twenty-nine
twenty-ninth
30
thirty
thirtieth
31
thirty-one
thirty-first
40
forty
fortieth
50
fifty
fiftieth
60
sixty
sixtieth
70
seventy
seventieth
80
eighty
eightieth
90
ninety
ninetieth
100
one hundred
hundredth
500
five hundred
five hundredth
1,000
one thousand
thousandth
100,000
one hundred
thousand
hundred thousandth
1,000,000
one
million
millionth
Examples:
There aretwenty-five people in the room.
He was the fourteenth
person to win the award since 1934.
Six
hundred thousand people were left homeless after the
earthquake.
I must have
asked you twentytimes to be quiet.
He went to Israel
for thethird
time this year.
Fractions
and decimals
Said
Written
Said
half
0.5
point five
a quarter
0.25
point two
five
three quarters
0.75
point seven
five
Percentages
Written
Said
25%
twenty five
percent
50%
fifty percent
75%
seventy five
percent
100%
a/one hundred
percent
Units
Written
Said
$1,200
one thousand
two hundred dollars
£16,486
sixteen thousand
four hundred and eighty-six pounds
545kms
five hundred
and forty-five kilometres
$25.35
twenty-five
dollars thirty-five
Years
Written
Said
1988
Nineteen
eighty-eight
1864
Eighteen
sixty-four
1999
Nineteen
ninety-nine
How
to say '0'
nought
used
in mathematical expressions and decimals: 'noughttimes three equals nought'
0.3 = 'nought
point three' (or 'point three')
0.03 = 'point nought
three'
zero
used in
scientific expressions, especially temperatures: 20oC = minus twenty degrees or twenty degrees below zero
also
used to mean 'the lowest point':
'The heavy rain reduced visibility to zero'
'o'
(the letter)
used in
telephone numbers: 0171 390 0062 = 'o
one seven one three nine o
double o
six two'
nil/nothing
used to
express the score in games such as football:
2 - 0 = 'two nil'
or 'two nothing'