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“21st” is the correct form to indicate the ordinal number between 20th and 22nd. “21th” is an irregular ordinal number, because it ends with 1. The number one, as an ordinal number, is “First” – and the suffix used to indicate that is “-st”. That’s why we use “1st”, “21st”, “31st”, etc.
May 21, 2023 · '21th' is a grammatical error. '21st' is the correct numeric abbreviation of twenty-first. If you have time to stick around, this lesson will help you write numbers confidently. So, keep reading! Table of Contents. Which is Correct, '21th' vs. '21st?' An Overview of Ordinals. When to Use Ordinals Like '21st'
The correct way to write the ordinal number for “21” is “21st”, not “21th”. This is because when we use ordinal numbers, we typically add the suffix “-th” to the end of the cardinal number to indicate a specific position in a sequence.
May 16, 2022 · 21th. Incorrect spelling, explanation: -th is a common suffix for ordinal numbers, however not all of them. Some numbers have irregular suffixes, and 1 is one of them – its ordinal form is first, so the suffix in the numeral form will be -st. 21th is, then, a mistake and the correct form is 21st.
Mar 1, 2024 · Well, the correct way to write it is “21st”. Ordinal numbers are used to indicate a position in a series or sequence, such as first, second, third, and so on. They have a suffix added to the cardinal numbers to create this meaning. When we want to talk about the 21st position, we add the suffix “-st” to the cardinal number 21.
Oct 6, 2022 · What are ordinal numbers? Ordinal numbers show something’s position in a series, such as its sequential order, ranking, or place in a list. There are two forms of ordinal numbers: words spelled out without numerals (first, second, etc.) numerals with lettered suffixes at the end (1st, 2nd, etc.)
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 with digits for 1-20. fir st 1st. seco nd 2nd. thi rd 3rd. four th 4th. fif th 5th. six th 6th. seven th 7th.
Correct spelling, explanation: this ordinal number is written in its short form with abbreviation st because its full form is twenty-first. There ordinal suffixes come from the last letters of full-word written numbers, therefore fifty-fifth is 55th, eighty-second is 82nd and twenty-first is 21st.
Jul 13, 2017 · Correct spelling, explanation: 21st is an ordinal number and its full form is spelled twenty-first. It appears between twentieth and twenty-second. When an ordinal number ends with the number one, we add the irregular suffix -st to the number (except for 11, which is spelled 11th ). That’s why the correct form is 21st, not 21th. Definition of 21st:
twelve - twelfth. In compound ordinal numbers, note that only the last figure is written as an ordinal number: 421st = four hundred and twenty-first. 5,111th = five thousand, one hundred and eleventh.
