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Ordinal Numbers

What are Ordinal Numbers?

Ordinal numbers indicate the position or rank of something or someone in a specific order. Unlike cardinal numbers (1, 2, 3, etc.), which indicate quantity, ordinal numbers such as 1st, 2nd, 3rd, etc., represent the position. For instance, “1st” denotes “first,” “2nd” denotes “second,” and so on. These numbers are essential for ranking and ordering items or people.

Definition and Usage

Ordinal numbers are used to define the exact position or rank of an item in a sequential list. They are particularly useful in scenarios where the order is important, such as races, queues, or lists. For example, if you have a list of participants in a race, ordinal numbers will indicate who finished 1st, 2nd, 3rd, etc.

Real-life Examples

  • Ram finished first in his class.
  • Sarita was the third girl in line.
  • Mohan lives on the fourth floor of his apartment building.
  • The table is displayed in the sixteenth position in the store.

Ordinal Numbers 1 to 100

Here is the complete list of ordinal numbers from 1 to 100, divided into two parts:

Ordinal Numbers 1 to 50

NumberOrdinalNumberOrdinalNumberOrdinalNumberOrdinalNumberOrdinal
1stFirst11thEleventh21stTwenty-First31stThirty-First41stForty-First
2ndSecond12thTwelfth22ndTwenty-Second32ndThirty-Second42ndForty-Second
3rdThird13thThirteenth23rdTwenty-Third33rdThirty-Third43rdForty-Third
4thFourth14thFourteenth24thTwenty-Fourth34thThirty-Fourth44thForty-Fourth
5thFifth15thFifteenth25thTwenty-Fifth35thThirty-Fifth45thForty-Fifth
6thSixth16thSixteenth26thTwenty-Sixth36thThirty-Sixth46thForty-Sixth
7thSeventh17thSeventeenth27thTwenty-Seventh37thThirty-Seventh47thForty-Seventh
8thEighth18thEighteenth28thTwenty-Eighth38thThirty-Eighth48thForty-Eighth
9thNinth19thNineteenth29thTwenty-Ninth39thThirty-Ninth49thForty-Ninth
10thTenth20thTwentieth30thThirtieth40thFortieth50thFiftieth

Ordinal Numbers 51 to 100

NumberOrdinalNumberOrdinalNumberOrdinalNumberOrdinalNumberOrdinal
51stFifty-First61stSixty-First71stSeventy-First81stEighty-First91stNinety-First
52ndFifty-Second62ndSixty-Second72ndSeventy-Second82ndEighty-Second92ndNinety-Second
53rdFifty-Third63rdSixty-Third73rdSeventy-Third83rdEighty-Third93rdNinety-Third
54thFifty-Fourth64thSixty-Fourth74thSeventy-Fourth84thEighty-Fourth94thNinety-Fourth
55thFifty-Fifth65thSixty-Fifth75thSeventy-Fifth85thEighty-Fifth95thNinety-Fifth
56thFifty-Sixth66thSixty-Sixth76thSeventy-Sixth86thEighty-Sixth96thNinety-Sixth
57thFifty-Seventh67thSixty-Seventh77thSeventy-Seventh87thEighty-Seventh97thNinety-Seventh
58thFifty-Eighth68thSixty-Eighth78thSeventy-Eighth88thEighty-Eighth98thNinety-Eighth
59thFifty-Ninth69thSixty-Ninth79thSeventy-Ninth89thEighty-Ninth99thNinety-Ninth
60thSixtieth70thSeventieth80thEightieth90thNinetieth100thHundredth

Differences Between Cardinal, Nominal, and Ordinal Numbers

  • Cardinal Numbers: These numbers indicate quantity. For example, “There are eight men standing in a row,” and “The basket contains ten apples.”
  • Nominal Numbers: These numbers are used to name or identify objects. Examples include vehicle registration numbers (e.g., KA 03 2111), postal codes, and player numbers in a match.
  • Ordinal Numbers: These indicate position or rank. For example, “The white car is in the third position,” “The city ranked second in air pollution,” and “Mona won the first position in the Olympiad.”

Ordinal Numbers Chart

Here is a chart showing the cardinal and ordinal numbers from 1 to 20:

CardinalOrdinalCardinalOrdinalCardinalOrdinalCardinalOrdinal
1First6Sixth11Eleventh16Sixteenth
2Second7Seventh12Twelfth17Seventeenth
3Third8Eighth13Thirteenth18Eighteenth
4Fourth9Ninth14Fourteenth19Nineteenth
5Fifth10Tenth15Fifteenth20Twentieth

FAQs

How are ordinal numbers used in real life?2024-08-09T13:55:51+05:30

They are used to indicate positions in races, ranks in classes, floors in buildings, and places in lines.

Are there any special rules for writing ordinal numbers?2024-08-09T13:55:36+05:30

Yes, typically, ordinal numbers are written with the numeral followed by the suffix (st, nd, rd, th), such as 1st, 2nd, 3rd, and 4th.

What is the ordinal number for 25?2024-08-09T13:55:15+05:30

The ordinal number for 25 is “Twenty-Fifth” (25th).

What are nominal numbers?2024-08-09T13:54:56+05:30

Nominal numbers are used to name or identify objects, such as vehicle registration numbers and postal codes.

Can you give examples of ordinal numbers used in sentences?2024-08-09T13:54:42+05:30

Sure! “Ram finished first in his class,” and “Sarita was the third girl in line.”

How are ordinal numbers different from cardinal numbers?2024-08-09T13:54:23+05:30

Ordinal numbers indicate position or order (e.g., 1st, 2nd, 3rd), while cardinal numbers indicate quantity (e.g., 1, 2, 3).

What are ordinal numbers?2024-08-09T13:53:20+05:30

Ordinal numbers are numbers that indicate the position or rank of something in a list, such as 1st, 2nd, 3rd, etc.

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