LoginOrdinal Numbers
Ordinal numbers specify the position or rank of something in a sequence. Unlike cardinal numbers (which denote quantity), ordinals indicate order.
What are Ordinal Numbers?
Ordinal numbers show someone or something’s place on a list or in an order.
How to Write Ordinal Numbers: 1-3
The ordinal numbers for one, two, and three have unique forms.
| Ordinal numbers Written | Ordinal numbers (numerals) | cardinal numbers |
|---|---|---|
| first | 1st | 1 |
| second | 2nd | 2 |
| third | 3rd | 3 |
This is my
She is the
How To Write Ordinal Numbers: 4-10
To write the ordinal form of other numbers like four, five, six, and so on, simply add 'th' to the end.
| Written | Numeral |
|---|---|
|
four |
4th |
|
fif |
5th |
|
six |
6th |
|
seven |
7th |
|
eigh |
8th |
|
nin |
9th |
|
ten |
10th |
Turn at the
Bring me the
Tip!
There are some spelling changes. For example:
five+th → fif
nine +th → nin
How to Write Ordinal Numbers: 11-20
Numbers like eleven, twelve, thirteen, etc. also get “th” at the end.
| Written | Numeral |
|---|---|
|
eleven |
11th |
|
twelf |
12th |
|
thirteen |
13th |
|
fourteen |
14th |
|
fifteen |
15th |
|
sixteen |
16th |
|
seventeen |
17th |
|
eighteen |
18th |
|
nineteen |
19th |
|
twentie |
20th |
He won the
Tip!
Once again, pay attention to the spelling changes. For example:
twelve + th → twelf
twenty + th → twentie
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