Ordinal Numbers for beginners

Imagine that you are on a list and you want to know where you are standing. To refer to that number, we use 'ordinal numbers.'

Ordinal Numbers in English Language

What are Ordinal Numbers?

We use ordinal numbers to show someone or something’s place on a list or an order.

How to Write Ordinal Numbers: 1-3

When we write ordinal numbers, one, two, and three have different forms.

Ordinal numbers Written Ordinal numbers (numerals) cardinal numbers
First 1st 1
Second 2nd 2
Third 3rd 3

How To Write Ordinal Numbers: 4-10

To make numbers like four, five, six, and so on into ordinal numbers, add 'th' to the end.

Written Numeral
Fourth 4th
Fifth 5th
Sixth 6th
Seventh 7th
Eighth 8th
Ninth 9th
Tenth 10th

Tip!

There are some spellings changes. For example:

Five+th → fifth

Nine +th → ninth

How to Write Ordinal Numbers: 11-20

Numbers like eleven, twelve, thirteen, …. also get “th” at the end.

Written Numeral
Eleventh 11th
Twelfth 12th
Thirteenth 13th
Fourteenth 14th
Fifteenth 15th
Sixteenth 16th
Seventeenth 17th
Eighteenth 18th
Nineteenth 19th
Twentieth 20th

Tip!

Once again, pay attention to the spelling changes. For example:

twelve + th → twelfth

twenty + th → twentieth

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