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  1. Ordinal Numbers in English – Rules, List, Usage & Examples

    Ordinal Number Abbreviations (1st, 2nd, 3rd…) Ordinal numbers are often shortened in everyday English, especially in dates, lists, schedules, and charts. These shortened versions are called …

  2. 1st - Wiktionary, the free dictionary

    May 15, 2026 · abbreviation of first — see also first See also

  3. Ordinal numeral - Wikipedia

    Ordinal numbers may be written in English with numerals and letter suffixes: 1st, 2nd or 2d, 3rd or 3d, 4th, 11th, 21st, 101st, 477th, etc., with the suffix acting as an ordinal indicator. Written dates often …

  4. Cardinal and Ordinal Numbers Chart - Math is Fun

    A Cardinal Number is a number that says how many of something there are, such as one, two, three, four, five. An Ordinal Number is a number that...

  5. 1st’ or ‘1th’: Which is Correct? - Writing Tips Institute

    Nov 6, 2023 · '1st' is the correct numeric abbreviation of the ordinal first. '1th' is a grammatical error, and it should never be used. The brief overview will help you if you need to quickly decide which spelling …

  6. How To Write Ordinal Numbers | Britannica Dictionary

    When writing ordinal numbers such as 1st, 2nd, 3rd, etc. you should use the last two letters on the word as it would be if you wrote out the whole word. Below are the ordinal numbers both written out and …

  7. How to Write Ordinal Numbers Correctly - Grammarly

    Oct 6, 2022 · Ordinal numbers are numbers that show position or order in a sequence. For example, the words first and twentieth are ordinal numbers, as are numerals with suffixes at the end like 1st and …

  8. how to spell ordinal numbers — How to Spell

    1st = first (She won first prize.) 2nd = second (I live on the 2nd floor.) 3rd = third (Take the third turning on the left.) 4th = fourth (It's his fourth birthday.) 5th = fifth (This is the 5th time I've taken my driving …

  9. 1st - Definition, Meaning & Synonyms | Vocabulary.com

    indicating the beginning unit in a series "1st." Vocabulary.com Dictionary, Vocabulary.com, https://www.vocabulary.com/dictionary/1st. Accessed 25 June 2026. Copy ...

  10. 1st or 1th – Which is Correct? - Two Minute English

    Mar 3, 2026 · The correct form is 1st. In English, ordinal numbers (numbers showing order) end in “st,” “nd,” “rd,” or “th” depending on the last digit of the number. For the number one, the correct ending is …