Ordinal numbers

 

Spelling of Ordinal Numbers Just add th to the cardinal number: four - fourth eleven - eleventh	Exceptions:
	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

Figures
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

Titles
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