Ordinal numbers


Spelling of Ordinal Numbers
Just add th to the cardinal number:

four - fourth
eleven - eleventh




one - first
two - second
three - third
five - fifth
eight - eighth
nine - ninth
twelve - twelfth

In compound ordinal numbers, note that only the last figure is written as an ordinal number:

421st = four hundred and twenty-first
5,111th = five thousand, one hundred and eleventh

When expressed as figures, the last two letters of the written word are added to the ordinal number:

first = 1st
second = 2nd
third = 3rd
fourth = 4th
twenty-sixth = 26th
hundred and first = 101st

In names for kings and queens, ordinal numbers are written in Roman numerals. In spoken English, the definite article is used before the ordinal number:

Charles II - Charles the Second Henry VIII - Henry the Eighth
1st first 21st twenty-first 40th fortieth
2nd second 22nd twenty-second 50th fiftieth
3rd third 23rd twenty-third 60th sixtieth
4th fourth 24th twenty-fourth 70th seventieth
5th fifth 25th twenty-fifth 80th eightieth
6th sixth 26th twenty-sixth 90th ninetieth
7th seventh 27th twenty-seventh 100th one hundredth
8th eighth 28th twenty-eighth
9th ninth 29th twenty-ninth  
10th tenth 30th thirtieth  
11th eleventh    
12th twelfth    
13th thirteenth    
14th fourteenth    
15th fifteenth    
16th sixteenth    
17th seventeeth    

18th eighteenth

19th nineteenth    
20th twentieth    
Henry VIII