For example: The most important thing here is consistency.
In this article, numeral refers specifically to a number as it is written in mathematics (e.g., 4).
When writing for publication, try to use spelled-out numbers at the beginning of a sentence in place of numerals.
That being said, however, there are a few ‘habits’ that the majority of those who write in English have adopted, they are: As a general rule of thumb, the majority of people choose to spell out numbers phonetically if they can be expressed in two or less words and will write the number out using numerals for numbers that are longer than three words.
The exception to this comes from those following a specific citation style (MLA or APA, for examples) in these instances, you would follow the formatting guidelines outlined in the style book.
Unfortunately, not many people agree on these rules either!
However, not every student knows the rules that govern the use of numbers in academic documents.Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission.Use of this site constitutes acceptance of our terms and conditions of fair use.Here are a few examples of how you might write out numbers exceeding 999,999: 2 million, 25 million, 30,123,321 or 3.8 billion.The Chicago Manual of Style, on the other hand, suggests that writers spell out number zero through one hundred and use numerals after that point – the exception being whenever whole numbers in combination with hundred, thousand, hundred thousand, million, billion etc. Here are a few examples: seven thousand, eight hundred, thirty million or 801, 2,507 and 32,456,098.Asides for a few standard guidelines, spelling out numbers rather than using numerals is largely a matter of personal preference. Ie: Don’t spell out numbers half of the time and use figures the other half, it becomes confusing for anyone who might be reading your work.When it comes to deciding whether or not to write numerical numbers or to write numbers in words, there are a few schools of thought, although none are considered to be concrete or ‘written in stone.’ For example, the APA stylebook recommends the numbers zero through nine be spelled out and that all numbers after nine be written numerically from ten through one million.The most important thing is to maintain consistency throughout your writing.Avoid switching from one format to the next, without having a valid reason for doing so as this will only confuse anyone who happens to be reading your work and also diminishes the quality of your paper.Although usage varies, most people spell out numbers that can be expressed in one or two words and use figures for numbers that are three or more words long.Note: If you are using a specific citation style, such as MLA or APA, consult the style manual for specific formatting instructions.