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The ordinal numbers
​The ordinal numbers denote a position in sequence and the come from the cardinal numbers (1,2,3,4....100 etc)
Table of Ordinal Numbers
1 |
st |
first |
11 |
th |
eleventh |
21 |
st |
twenty -first |
31 |
st |
thirty-first |
||
2 |
nd |
second |
12 |
th |
twelfth |
22 |
nd |
twenty-second |
40 |
th |
fortieth |
||
3 |
rd |
third |
13 |
th |
thirteenth |
23 |
rd |
twenty-third |
50 |
th |
fiftieth |
||
4 |
th |
fourth |
14 |
th |
fourteenth |
24 |
th |
twenty-fourth |
60 |
th |
sixtieth |
||
5 |
th |
fifth |
15 |
th |
fifteenth |
25 |
th |
twenty-fifth |
70 |
th |
seventieth |
||
6 |
th |
sixth |
16 |
th |
sixteenth |
26 |
th |
twenty-sixth |
80 |
th |
eightieth |
||
7 |
th |
seventh |
17 |
th |
seventeenth |
27 |
th |
twenty-seventh |
90 |
th |
ninetieth |
||
8 |
th |
eighth |
18 |
th |
eighteenth |
28 |
th |
twenty-eighth |
100 |
th |
one hundredth |
||
9 |
th |
ninth |
19 |
th |
nineteenth |
29 |
th |
twenty-ninth |
1,000 |
th |
one thousandth |
||
10 |
th |
tenth |
20 |
th |
twentieth |
30 |
th |
thirtieth |
1,000,000 |
th |
one millionth |
to form ordinal numbers, just add "th" to the cardinal number, examples:
4 (four) .............4th (fourth)
11 (eleven)..........11th (eleventh)
20 (twenty)...........20th (twentieth)
14 (fourteen)........14th (fourteenth)
100 (hundred)..........100 (hundredth)
with the following exceptions
-
1 (one) - 1st (first)
-
2 (two) - 2nd (second)
-
3 (three) - 3rd (third)
-
five - fifth
-
eight - eighth
-
nine - ninth
-
twelve - twelfth
-
twenty - twentieth
-
thirty - thirtieth
-
fourty - fourtieth
-
fifty - fiftieth
-
sixty - sixtieth
-
seventy - seventieth
-
eighty - eightieth
-
ninety - ninetieth