A simple rule for using numbers in writing is that **small numbers ranging from one to ten (or one to nine, depending on the style guide)** should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.

## When writing should numbers be spelled out?

It is generally best to write out numbers from zero to one hundred in nontechnical writing. In scientific and technical writing, the prevailing style is to write out numbers under ten. While there are exceptions to these rules, your predominant concern should be expressing numbers consistently.

## Do you spell out numbers in professional writing?

In business writing, a generally accepted rule is to spell out numbers from one to nine and use numerals for 10 and above. Some organisations change at 11 rather than 10. Numerals are usually used in scientific and technical writing, and increasingly I am seeing some organisations use numerals in all documents.

## When should numbers be written as words?

Numbers up to nine should always be written in words, anything higher than nine can be written in numerals. Alternatively, some guides suggest that if you can write the number in two words or fewer then use words rather than numerals.

## Do you spell out numbers in scientific writing?

When using numbers in nonscientific text, spell out numbers less than one hundred or numbers of any size that begin a sentence. In addition, spell out round numbers of any size and use arabic numerals followed by the terms million and billion to express numbers larger than one million.

## What is the rule for writing numbers?

A simple rule for using numbers in writing is that small numbers ranging from one to ten (or one to nine, depending on the style guide) should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.

## Should 10 be spelled out?

Numerals should be used for numbers 10 and above, but numbers nine and below should be spelled out. Spell out numbers at the beginning of a sentence. A number that begins a sentence should be spelled out rather than noted as a numeral, even if the number is below 10.

## Should numbers be spelled out in MLA?

MLA Style spells out numbers that can be written in one or two words (three, fifteen, seventy-six, one thousand, twelve billion) and to use numerals for other numbers (2¾; 584; 1,001; 25,000,000). APA Style, on the other hand, generally uses words for numbers below 10 and numerals for numbers 10 and above.

## Why do legal documents spell out numbers?

The advantages of simply writing the numerals only are obvious. Only one number needs to be inserted or changed. It also takes up less space, and makes a document look less “legal”. Furthermore, writing out the number in words as well as writing the numerals makes it much less likely that you would make a mistake.

## What is it called when you write numbers in words?

using figures (also called numerals) is largely a matter of writers’ preference. In Chicago style, as opposed to AP style, we would write four hundred, eight thousand, and twenty million with no numerals—but like AP, Chicago style would require numerals for 401; 8,012; and 20,040,086.

## Do you write 12 or twelve?

Cardinal and ordinal numbers above twelve and twelfth should be written in either figures or words as seems in each case more convenient. Cardinal numbers up to 12 should be written in words, except when telling the time.

- We need three chairs and one table.
- He has three sisters.
- The train leaves at 5 pm.

## Should numbers be hyphenated?

You should always hyphenate numbers when you are describing compound numbers between 21 and 99 (except 30, 40, 50, 60, 70, 80 and 90). A compound number is any number that consists of two words; for example, eighty-eight, twenty-two, forty-nine. Numbers higher than 99 do not need a hyphen.

## What is the importance of studying the rules of numbers?

“Numbers are ingredients for mathematical thinking and process. The more you know and understand numbers, the better you’ll be able to work with those numbers to describe situations, solve problems, and reason mathematically. Learning about the divisibility rules will help you to understand numbers better.

## Should I spell out numbers in a lab report?

Be consistent in the use of numerals or spelled-out numbers Either form is typically fine, but it is best to be consistent with your choice. If “We collected a total of eight samples” is written in your Methods section, avoid writing “Samples from all 8 lakes were nearly identical in pH” in your Results.

## Should I write numbers as words in a research paper?

Numbers can be written either as words (e.g., one hundred) or numerals (e.g., 100). In general, words should be used for numbers from zero through nine, and numerals should be used from 10 onwards. This is true for both cardinal numbers (e.g., two, 11) and ordinal numbers (e.g., second, 11^{th}).

## How are numbers written in scientific writing?

RULE 1: Generally, use words for numbers one through nine, and numerals for all other numbers, both cardinal and ordinal. However, use numerals if both single-digit and higher ordinal numbers are used in a single sentence. I washed the plate three times.