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13th or 13rd – Which is Correct?

When it comes to ordinal numbers, knowing the correct suffix to use can sometimes be a challenge. One such example is the case of “13th” versus “13rd.” While both options may seem viable at first glance, it is important to understand the rules of grammar and which suffix is appropriate for this particular number.

Let’s learn this topic further by exploring the concept of ordinal numbers. Ordinal numbers are used to indicate the position or order of something in a series. For instance, we use ordinal numbers to describe the position of a runner in a race or the order in which a group of people arrived at an event.

Now, let’s examine the suffixes commonly used with ordinal numbers. In most cases, these suffixes are added to the end of a cardinal number, transforming it into an ordinal number. The most common suffixes used for ordinal numbers are “th,” “nd,” “rd,” and “st.” The choice of suffix to use depends on the final digit of the cardinal number.

When it comes to the number 13, the suffix that should be used is “th”. The suffix “th” is generally used for numbers ending in 1, 2, 3, and all the ones beyond 20. For example, we say “1st” for first, “2nd” for second, “3rd” for third, “4th” for fourth, and so on. This pattern continues consistently until we reach the number 20, where the suffix “th” is again utilized.

To further exemplify this pattern, let’s look at a list of examples:

– 11th
– 12th
– 13th
– 20th
– 21st
– 22nd
– 23rd
– 30th
– 31st
– 40th

As you can see, the number 13 fits within the pattern of using “th” as its suffix. Therefore, “13th” is the correct form to use to indicate the position or order of something in relation to the number 13.

Using the incorrect form of “13rd” would sound odd and would not align with the established grammar rules for ordinal numbers. Just as we don’t say “1rd” for first or “2st” for second, it is important to follow the same logic and consistency with all ordinal numbers, including 13.

In conclusion, the correct form is “13th.” By adhering to the established rules of grammar for ordinal numbers, we can ensure clear and effective communication. So, the next time you encounter the number 13 in an ordinal context, remember to use “13th” and stay on the right track with your English language skills.