Ordinal Numbers For beginners
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) | |
---|---|---|
first | 1st | 1 |
second | 2nd | 2 |
third | 3rd | 3 |
This is my first time here.
She is the second child.
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 |
---|---|
fourth | 4th |
fifth | 5th |
sixth | 6th |
seventh | 7th |
eighth | 8th |
ninth | 9th |
tenth | 10th |
Turn at the fourth corner.
Bring me the eighth book.
Tip!
There are some spelling changes. For example:
five+th → fifth
nine +th → ninth
How to Write Ordinal Numbers: 11-20
Numbers like eleven, twelve, thirteen, etc. 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 |
He won the eleventh race.
Tip!
Once again, pay attention to the spelling changes. For example:
twelve + th → twelfth
twenty + th → twentieth
Quiz:
Which option shows the correct ordinal form of numbers 1 to 3?
oneth, twoth, threeth
onth, twth, thrth
first, second, third
1th, 2th, 3th
Match each cardinal number with its written ordinal number.
Sort the ordinal numbers from 11 to 20 in the correct order.
Fill the blanks with the ordinal form of the numbers in parentheses to complete the story.
The annual city marathon was in two weeks. Last year, Emily finished in
(12) place, but she was aiming for a better position this year. At the beginning of the race, she was at
(3) mark, right behind the fastest runners. By the
(5) mile, she was tired but kept running. When they reached the
(7) mile, Emily saw that she was in
(15) place. She kept running and finally passed a few runners, reaching
(9) position. With only a few hundred meters to go, Emily pushed her limits and sprinted ahead to reach the
(2) place.
Which ordinal numbers have a spelling change in their written form?
5th, 9th, 12th, 20th
5th, 7th, 15th, 19th
4th, 9th, 12th, 20th
6th, 8th, 12th, 16th
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