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Ordinal Numbers 1 to 100: How to Write, Applications, Fun Facts

Ordinal numbers indicate position or order in a sequence, such as first, second, third, etc. Check out the list of ordinal numbers from 1 to 100 and their word forms here.
authorImageChandni 8 Dec, 2024
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Ordinal Numbers 1 to 100

Ordinal N umbers are the numbers that indicate the position or rank of something in a sequence. Unlike cardinal numbers, which simply count items, ordinal numbers help us understand the order, such as first, second, third, and so on.

For example, ordinal numbers tell us who finished first, second, or third place in a race. They also play a key role in following directions, like identifying the first step, the second step, and so on. Whether organizing tasks, ranking items, or explaining processes, ordinal numbers provide clarity and structure, making them essential for effective communication and understanding in everyday life.

Celsius to Fahrenheit

What Are Ordinal Numbers?

Ordinal numbers tell us the position of something in a line or a group, like who came first , second , or third . They are not about how many things there are but about where something is. Let’s look at some fun examples:
  • Imagine you are running a race, and you finish in 1 st place —that means you are the winner!
  • In a storybook, you might turn to the 3 rd page to find your favourite picture.
  • If your birthday is on the 10 th day of the month, that’s your special day on the calendar!
Ordinal numbers often have little endings like -st , -nd , -rd , or -th to show their place. They make it easy to explain things in order, like who goes next in a game or what step to follow in an activity.

CM to Feet

How to Write Ordinal Numbers?

Writing ordinal numbers is easy once you know the rules! To create ordinal numbers, you take a regular counting number (called a cardinal number) and add a special ending called a suffix like -st , -nd , -rd , and -th . The suffix you add depends on the last digit of the number. [video width="1920" height="1080" mp4="https://www.pw.live/exams/wp-content/uploads/2024/12/Curious-Jr-Ad-3-1-1.mp4"][/video]

Why Do We Use Suffixes in Ordinal Numbers?

Suffixes like -st , -nd , -rd , and -th make ordinal numbers easy to read and understand by clearly indicating position. Without these suffixes, it could be confusing to distinguish between numbers like "1" and "1 st. " Adding the correct suffix immediately clarifies whether you’re referring to a rank, step, or place in a sequence. Here’s how these suffixes are applied: -st : Attach this suffix to numbers ending in 1, except for exceptions like 11. Examples : 1 becomes 1 st (first), 21 becomes 21 st , and 101 becomes 101 st . -nd : Use this suffix for numbers ending in 2, except for exceptions like 12. Examples : 2 becomes 2 nd (second), 22 becomes 22 nd , and 102 becomes 102 nd . -rd : Add this to numbers ending in 3, except for exceptions like 13. Examples: 3 becomes 3 rd (third), 23 becomes 23 rd , and 103 becomes 103 rd . -th : Apply this suffix to all other numbers, including exceptions like 11, 12, and 13. Examples: 4 becomes 4 th (fourth), 11 becomes 11 th , 20 becomes 20 th and 100 becomes 100 th . These simple rules clarify where something belongs in a sequence, whether it’s a race finish, a step in a process, or a specific day on a calendar. [video width="1920" height="1080" mp4="https://www.pw.live/exams/wp-content/uploads/2024/12/curious-jr.mp4"][/video]

Difference Between Ordinal, Cardinal, and Nominal Numbers

Numbers serve different purposes depending on their type. Here’s a clearer look at how ordinal, cardinal, and nominal numbers differ:

Cardinal Numbers

Cardinal numbers express quantity or the count of things. These are the numbers we use in everyday counting and arithmetic operations. Examples: 1, 2, 3, 10, 100. Usage: Counting objects (e.g., "There are 3 apples") or performing mathematical calculations.

Ordinal Numbers

Ordinal numbers describe the position or rank of something in a sequence. They emphasize order rather than quantity, making them essential for rankings, sequences, or step-by-step processes. Examples: 1 st , 2 nd , 3 rd , 10 th . Usage: Ranking participants in a race (e.g., "He finished in 1st place") or arranging items in order, e.g., "Open the 2 nd door").

Nominal Numbers

Nominal numbers act as labels or identifiers. Unlike cardinal or ordinal numbers, they don’t show quantity or order. Instead, they are used to differentiate or identify objects, items, or individuals. Examples: Jersey numbers (e.g., "Player #10"), phone numbers, or license plates. Usage: Identifying a player in a game or specifying an item in a catalog.

Applications of Ordinal Numbers

Ordinal numbers are essential to everyday life, helping us communicate sequence, rank, and order in various contexts. Here’s how they are commonly used:

Ranking and Competitions

Ordinal numbers are widely used in sports and competitions to rank participants. They indicate positions such as 1 st place , 2 nd place , or 3 rd place , helping identify winners, runners-up, and other rankings. Whether it’s a school race or a professional sports event, ordinal numbers clarify the order of finishers.

Academic and Professional Settings

In academic environments, ordinal numbers help assign ranks based on performance, such as 1 st rank in a class or 2 nd rank in an examination. In professional settings, they are used to define priority or sequence in workflows, such as the 1 st task or 3 rd step in a process.

Books and Publications

Ordinal numbers are often used in books and publications to denote the order of chapters, pages, or sections. For example, a reader might turn to the 3 rd chapter or the 5 th page to find specific information. This helps organize content logically and makes navigation easier for readers.

Street Addresses and Navigation

In addressing and navigation, ordinal numbers help identify specific locations. Examples include streets like 7 th Avenue or floors like the 3 rd floor of a building. They make pinpointing exact positions within a structured arrangement simple.

Historical and Chronological Events

Ordinal numbers play a key role in marking historical events and eras. They are used to describe periods such as the 21 st century or the 10 th year of a reign. Additionally, they help document sequences in timelines, making it easy to track events in order.

Ordinal Numbers 1 to 100

The complete list of ordinal numbers from 1 to 100 is divided into two parts for easier reference.

Ordinal Numbers 1 to 50

T he table provides a list of ordinal numbers from 1 to 50:
Ordinal Number Name
1 st First
2 nd Second
3 rd Third
4 th Fourth
5 th Fifth
6 th Sixth
7 th Seventh
8 th Eighth
9 th Ninth
10 th Tenth
11 th Eleventh
12 th Twelfth
13 th Thirteenth
14 th Fourteenth
15 th Fifteenth
16 th Sixteenth
17 th Seventeenth
18 th Eighteenth
19 th Nineteenth
20 th Twentieth
21 st Twenty-First
22 nd Twenty-Second
23 rd Twenty-Third
24 th Twenty-Fourth
25 th Twenty-Fifth
26 th Twenty-Sixth
27 th Twenty-Seventh
28 th Twenty-Eighth
29 th Twenty-Ninth
30 th Thirtieth
31s Thirty-First
32nd Thirty-Second
33rd Thirty-Third
34 th Thirty-Fourth
35 th Thirty-Fifth
36 th Thirty-Sixth
37 th Thirty-Seventh
38 th Thirty-Eighth
39 th Thirty-Ninth
40 th Fortieth
41st Forty-First
42 nd Forty-Second
43 rd Forty-Third
44 th Forty-Fourth
45 th Forty-Fifth
46 th Forty-Sixth
47 th Forty-Seventh
48 th Forty-Eighth
49 th Forty-Ninth
50 th Fiftieth
Ordinal Numbers 51 to 100
T he table provides a list of ordinal numbers from 51 to 100:
Ordinal Number Name
51 st Fifty-First
52 nd Fifty-Second
53 rd Fifty-Third
54 th Fifty-Fourth
55 th Fifty-Fifth
56 th Fifty-Sixth
57 th Fifty-Seventh
58 th Fifty-Eighth
59 th Fifty-Ninth
60 th Sixtieth
61 st Sixty-First
62 nd Sixty-Second
63 rd Sixty-Third
64 th Sixty-Fourth
65 th Sixty-Fifth
66 th Sixty-Sixth
67 th Sixty-Seventh
68 th Sixty-Eighth
69 th Sixty-Ninth
70 th Seventieth
71 st Seventy-First
72 nd Seventy-Second
73 rd Seventy-Third
74 th Seventy-Fourth
75 th Seventy-Fifth
76 th Seventy-Sixth
77 th Seventy-Seventh
78 th Seventy-Eighth
79 th Seventy-Ninth
80 th Eightieth
81st Eighty-First
82nd Eighty-Second
83rd Eighty-Third
84 th Eighty-Fourth
85 th Eighty-Fifth
86 th Eighty-Sixth
87 th Eighty-Seventh
88 th Eighty-Eighth
89 th Eighty-Ninth
90 th Ninetieth
91 st Ninety-First
92 nd Ninety-Second
93 rd Ninety-Third
94 th Ninety-Fourth
95 th Ninety-Fifth
96 th Ninety-Sixth
97 th Ninety-Seventh
98 th Ninety-Eighth
99 th Ninety-Ninth
100 th One-Hundredth
Fun Facts About Ordinal Numbers
Ordinal numbers are fascinating because they serve a unique purpose in our daily lives beyond simple counting. Here are some interesting facts about ordinal numbers:

Not for Arithmetic

Unlike cardinal numbers, ordinal numbers aren’t used for arithmetic operations like addition, subtraction, multiplication, or division. Their role is to indicate position or rank, not quantity, making them purely about order rather than calculation.

Adaptable for Different Contexts

Ordinal numbers are highly versatile and can be represented in various ways depending on the context. They can be written as words, such as "first" or "second", or as numerals with suffixes, like 1 st , 2 nd , or 3 rd . This flexibility makes them useful across written and numerical formats.

More Than Just Counting

Ordinal numbers go beyond basic counting. They emphasize hierarchy, priority, and order, making them indispensable for ranking, timelines, and sequences. Whether it's highlighting the 3 rd step in a recipe or marking the 10th milestone in a project, ordinal numbers provide clarity and structure wherever sequence matters. Ordinal numbers play an important role in helping us organize and communicate clearly. Whether you’re celebrating your 1 st achievement, following the 2 nd step in a process, or finding the 10 th page in a book, they bring structure and clarity. Understanding and using ordinal numbers allows you to arrange, rank, and navigate tasks with confidence.
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Ordinal Numbers FAQs

Are ordinal numbers used in fractions?

Yes, ordinal numbers can describe fractions, like 1/3 being the "one-third" or 1/5 as "one-fifth." They indicate the part's position in the whole.

Can ordinal numbers be used in reverse order?

Yes, ordinal numbers can indicate reverse ranking, such as the last position in a list or sequence (e.g., "She finished 10th out of 10").

Do ordinal numbers apply to non-numerical items?

Yes, ordinal numbers can describe the order of any sequence, even if it’s not numerical, such as the first color or the third option.

How do exceptions like 11th, 12th, and 13th work?

These numbers always use the suffix -th, even though they end in 1, 2, or 3, to maintain consistency in English grammar rules..

What is the largest ordinal number?

Ordinal numbers have no upper limit. They extend as far as required, such as 1,000,000th (one-millionth) or more. These numbers represent positions in a sequence.
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