Understanding Ordinal Numbers: Definition, Examples, and Complete List

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

Number	Ordinal	Number	Ordinal	Number	Ordinal	Number	Ordinal	Number	Ordinal
1st	First	11th	Eleventh	21st	Twenty-First	31st	Thirty-First	41st	Forty-First
2nd	Second	12th	Twelfth	22nd	Twenty-Second	32nd	Thirty-Second	42nd	Forty-Second
3rd	Third	13th	Thirteenth	23rd	Twenty-Third	33rd	Thirty-Third	43rd	Forty-Third
4th	Fourth	14th	Fourteenth	24th	Twenty-Fourth	34th	Thirty-Fourth	44th	Forty-Fourth
5th	Fifth	15th	Fifteenth	25th	Twenty-Fifth	35th	Thirty-Fifth	45th	Forty-Fifth
6th	Sixth	16th	Sixteenth	26th	Twenty-Sixth	36th	Thirty-Sixth	46th	Forty-Sixth
7th	Seventh	17th	Seventeenth	27th	Twenty-Seventh	37th	Thirty-Seventh	47th	Forty-Seventh
8th	Eighth	18th	Eighteenth	28th	Twenty-Eighth	38th	Thirty-Eighth	48th	Forty-Eighth
9th	Ninth	19th	Nineteenth	29th	Twenty-Ninth	39th	Thirty-Ninth	49th	Forty-Ninth
10th	Tenth	20th	Twentieth	30th	Thirtieth	40th	Fortieth	50th	Fiftieth

Ordinal Numbers 51 to 100

Number	Ordinal	Number	Ordinal	Number	Ordinal	Number	Ordinal	Number	Ordinal
51st	Fifty-First	61st	Sixty-First	71st	Seventy-First	81st	Eighty-First	91st	Ninety-First
52nd	Fifty-Second	62nd	Sixty-Second	72nd	Seventy-Second	82nd	Eighty-Second	92nd	Ninety-Second
53rd	Fifty-Third	63rd	Sixty-Third	73rd	Seventy-Third	83rd	Eighty-Third	93rd	Ninety-Third
54th	Fifty-Fourth	64th	Sixty-Fourth	74th	Seventy-Fourth	84th	Eighty-Fourth	94th	Ninety-Fourth
55th	Fifty-Fifth	65th	Sixty-Fifth	75th	Seventy-Fifth	85th	Eighty-Fifth	95th	Ninety-Fifth
56th	Fifty-Sixth	66th	Sixty-Sixth	76th	Seventy-Sixth	86th	Eighty-Sixth	96th	Ninety-Sixth
57th	Fifty-Seventh	67th	Sixty-Seventh	77th	Seventy-Seventh	87th	Eighty-Seventh	97th	Ninety-Seventh
58th	Fifty-Eighth	68th	Sixty-Eighth	78th	Seventy-Eighth	88th	Eighty-Eighth	98th	Ninety-Eighth
59th	Fifty-Ninth	69th	Sixty-Ninth	79th	Seventy-Ninth	89th	Eighty-Ninth	99th	Ninety-Ninth
60th	Sixtieth	70th	Seventieth	80th	Eightieth	90th	Ninetieth	100th	Hundredth

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:

Cardinal	Ordinal	Cardinal	Ordinal	Cardinal	Ordinal	Cardinal	Ordinal
1	First	6	Sixth	11	Eleventh	16	Sixteenth
2	Second	7	Seventh	12	Twelfth	17	Seventeenth
3	Third	8	Eighth	13	Thirteenth	18	Eighteenth
4	Fourth	9	Ninth	14	Fourteenth	19	Nineteenth
5	Fifth	10	Tenth	15	Fifteenth	20	Twentieth