Ordinal Numbers
In the English language, ordinal numbers are numbers that we use to put things into order, show a sequence or say the date.
Native
Translation
It is my second car.
Second is an ordinal number used to show sequence.
How to Write Ordinal Numbers
Rule 1: To write ordinal numbers we just add th to a regular number.
Example
Explanation
four - fourth
To create an ordinal number, we add th to the number four.
Exceptions
Rule 2: There are several exceptions in the English language when it comes writing ordial numbers. Here are the ordial numbers you need to learn by heart:
- one - first
- two - second
- three - third
- five - fifth
- eight - eighth
- nine - ninth
- twelve - twelfth
Note: In large numbers, we change only the last numeral to an ordinal number.
Native
Translation
321
three hundred and twenty-first
Numerals
Rule 3: To turn ordinal numbers into numerals, we add the last two letters of the written number to the numeral.
- first - 1st
- second - 2nd
- third - 3rd
- fourth - 4th
Usage
Rule 4: We use ordinal numbers to say the date.
Example
Explanation
Today's the fourth of May.
Fourth is an ordinal number.
Rule 5: We use ordinal numbers to make lists and enumerations or to put things in an order.
Example
Explanation
She used to live on the eleventh floor.
Eleventh is an ordinal numer used in enumeration.
Rule 6: In titles (e.g. kings and queens), ordinal numbers are written as Roman numerals. In Spoken English, we add the definite article before the ordinal number:
Native
Translation
Queen Elizabeth II
Queen Elizabeth the Second
Note: In spoken English, we add the definite article the before the ordinal number.
Quiz
1/4
Write the date as a word. November 5.
0
correct answers.