English Grammar

Ordinal numbers definition/Dates and hierarchies/Sentences

“ Ordinal numbers ”, in Portuguese ordinal numbers, is one of the first topics that should be taught as soon as the student starts studying the language.  Ordinal numbers definition
The numbers in English are ranked among ordinal numbers ( ordinal numbers ) and cardinal numbers ( cardinal numbers ). Many find it difficult to learn ordinal numbers, but it is a very easy and simple subject.
The podium is an example of the use of ordinal numbers: first, second and third place (place). (Photo: Pixabay)

What are the ordinal numbers?

“Ordinal numbers” are numbers used for the purpose of indicating orderpositionrank, or sequence
Generally used to indicate the position of winners in competitions, the first three ordinal numbers are:
• First – 1st / First 
• Second – 2nd / Second 
• Third – 3rd / Third 
In addition, these first “ordinal numbers” are different from the others, because after the third (third), the suffix –th is added at the end, with the exception of the numbers 5² and 9th which undergo changes in the extended form.  Ordinal numbers definition
• Fourth – (4th) / Fourth 
• Fifth – 5th / Fifth 
• Sixth – 6th / Sixth 
• Seventh – 7th / Seventh 
• Eighth – 8th / Eighth 
• Ninth – 9th / Ninth 
• Tenth – 10th / Tenth 
• Eleventh – 11th / Eleventh 
• Twelfth – 12th / Twelfth    
• Thirteenth – 13th / Thirteenth 
• Fourteenth – 14th / Fourteenth    
• Fifteenth – 15th / Fifteenth    
• Sixteenth – 16th / Sixteenth    
• Seventeenth – 17th / Seventeenth    
• Eighteenth – 18th / Eighteenth    
• Nineteenth – 19th / Nineteenth    
• Twentieth – 20th / Twentieth 
• Thirtieth – 30th / Thirtieth 
• Fortieth – 40th / Fortieth 
• Fiftieth – 50th / Fiftieth 
• Sixtieth – 60th / Sixtieth 
• Seventieth – 70th / Seventieth or  Seventieth
• Eightieth – 80th /  Eightieth
• Ninetieth – 90th / Ninetieth 
• Hundredth – 100th / Hundredth 
From the twentieth, in broken numbers only the second number goes into ordinal form. 
• Twenty-first – 21st / Twenty-first 
• Twenty-second – 22nd / Twenty-second 
• Twenty-third – 23rd / Twenty-third  Ordinal numbers definition
• Twenty-fourth – 24th / Twenty-fourth 
• Twenty-fifth – 25th / Twenty-fifth 
• Twenty-sixth – 26th / Twenty-sixth 
• Twenty-seventh – 27th / Twenty-seventh 
• Twenty-eighth – 28th / Twenty-eighth 
• Twenty-ninth – 29th / Twenty-ninth 
• Thirtieth-first – 31st / Thirty-first 
• Thirtieth-second – 32nd / Thirtieth second 
• Thirtieth-third – 33rd / Thirty-third 
• Thirtieth-fourth – 34th / Thirty-fourth 
• Thirtieth-fifth – 35th / Thirty-fifth 
• Thirtieth-sixth – 36th / Thirty-sixth 
• Thirtieth-seventh – 37th / Thirty-seventh 
• Thirtieth-eighth – 38th / Thirty-eighth 
• Thirtieth-ninth – 39th / Thirty-ninth 

Dates and hierarchies 

It is possible to express the date in English with the ordinal numbers in the following ways:  traditional –  Sep 20 or 20 Sep  – and ordinal –  ep 20th or 20th Sep .
For hierarchical titrations, the representation that is done in roman numbers , in the pronunciation and in the form in full, are used or ordinal numbers. See some examples: Ordinal numbers definition
• King Henry VIII – King Henry the Eighth.
• Dom Pedro II – Dom Pedro the Second.
• Queen Elizabeth II – Queen Elizabeth the Second. Ordinal numbers definition

Sentences 

• Today is his sixteenth birthday. (Today is his sixteenth birthday).
• She got the second place in the competition. (She got second place in the game).
• They got married on March the twenty-seventh (They got married on March 27).
• We were the first ones to get to the party (We were the first to arrive at the party).
• This is the third time I am speaking. (This is the third time I’m talking).
• I’m the twenty-ninth. (I am the twenty-ninth). Ordinal numbers definition
• He’s the seventh person to be let go this week. (He is the seventh person released this week).

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