﻿ Ordinal numbers — Math18

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# Ordinal numbers

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## What are the ordinal numbers?

Are those numbers that indicate the position of an element corresponding to an ordered sequence.

## Ordinal numbers from 1 to 100

 Number Writing 1st First 2nd Second 3rd Third 4th Fourth 5th Fifth 6th Sixth 7th Seventh 8th Eighth 9th Ninth 10th Tenth 11th Eleventh 12th Twelfth 13th Thirteenth 14th Fourteenth 15th Fifteenth 16th Sixteenth 17th Seventeenth 18th Eighteenth 19th Nineteenth 20th Twentieth 21st Twenty-first 22nd Twenty-second 23rd Twenty-third 24th Twenty-fourth 25th Twenty-fifth 26th Twenty-sixth 27th Twenty-seventh 28th Twenty-eighth 29th Twenty-ninth 30th Thirtieth 31st Thirty-first 32nd Thirty-second 33rd Thirty-third 34th Thirty-fourth 35th Thirty-fifth 36th Thirty-sixth 37th Thirty-seventh 38th Thirty-eighth 39th Thirty-ninth 40th Fourtieth 41st Forty-first 42nd Forty-second 43rd Forty-third 44th Forty-fourth 45th Forty-fifth 46th Forty-sixth 47th Forty-seventh 48th Forty-eighth 49th Forty-ninth 50th Fiftieth 51st Fifty-first 52nd Fifty-second 53rd Fifty-third 54th Fifty-fourth 55th Fifty-fifth 56th Fifty-sixth 57th Fifty-seventh 58th Fifty-eighth 59th Fifty-ninth 60th Sixtieth 61st Sixty-first 62nd Sixty-second 63rd Sixty-third 64th Sixty-fourth 65th Sixty-fifth 66th Sixty-sixth 67th Sixty-seventh 68th Sixty-eighth 69th Sixty-ninth 70th Seventieth 71st Seventy-first 72nd Seventy-second 73rd Seventy-third 74th Seventy-fourth 75th Seventy-fifth 76th Seventy-sixth 77th Seventy-seventh 78th Seventy-eighth 79th Seventy-ninth 80th Eightieth 81st Eighty-first 82nd Eighty-second 83rd Eighty-third 84th Eighty-fourth 85th Eighty-fifth 86th Eighty-sixth 87th Eighty-seventh 88th Eighty-eighth 89th Eighty-ninth 90th Ninetieth 91st Ninety-first 92nd Ninety-second 93rd Ninety-third 94th Ninety-fourth 95th Ninety-fifth 96th Ninety-sixth 97th Ninety-seventh 98th Ninety-eighth 99th Ninety-ninth 100th one hundredth

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