Ages are like every other compound modifier that way:
you hyphenate them before the noun but not after the noun
. [Note: Chicago style and AP style differ when it comes to ages. Chicago style is to use the word for ages 100 and lower, and AP style is to always use the numeral for ages.
Do you spell out ages or use numbers?
Use numerals for numbers 10 and greater and
spell out numbers one through nine
, with these exceptions: addresses: 3 Knoles Dr. ages, for people and objects: 2-year-old boy, 1-year-old book.
Do you spell out ages?
Follow these rules for writing ages:
Write out ages one to nine
. Use numerals for ages 10 and older. Ages noted in years and months should be written in numerals.
Do you write out ages under 10?
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 ages in Chicago style?
Spell
out numbers less than 10
. However, use numerals before measurements and for ages, events, or things; for all tabular items; and for percent and percentages. In non-technical copy, spell out numbers less than 100. (Alternate rule: spell out numbers less than 10.)
Is 13 year old hyphenated?
Summary. So to sum up, you hyphenate an
age when it's
a noun or when it's a modifier that comes before a noun. The main time you don't hyphenate an age is when it comes after the noun it modifies. Ages are like every other compound modifier that way: you hyphenate them before the noun but not after the noun.
Is it 10 years old or 10 year old?
When used as an adjective the correct thing
to say is year old
. A ten-year-old boy is sitting on the couch. When used as a verb construct it must agree with the noun in terms of quantity. The boy is sitting on the couch is 10 years old.
Is it 12 or twelve?
The usual ordinal form is “
twelfth
” but “dozenth” or “duodecimal” (from the Latin word) is also used in some contexts, particularly base-12 numeration.
Do you spell out numbers under 10 AP?
If no usage is specified, spell out numbers below 10
and use figures for numbers 10 and above. Example: The man had five children and 11 grandchildren. When referring to money, use numerals. For cents or amounts of $1 million or more, spell the words cents, million, billion, trillion etc.
How do you write 12 year old?
Year old
should not be hyphenated
when it comes after the noun it modifies (as in, “She is 12 years old”).
Are numbers spelled out in Chicago style?
The Chicago Manual of Style lays out the following rules for spelling out numbers:
Spell out numbers zero through one hundred
. … Spell out certain round numerals, specifically: whole numbers one through one hundred followed by hundred, thousand, or hundred thousand), except in monetary amounts or percents.
How do you write numbers over 100?
The Chicago Manual of Style recommends spelling out
the numbers zero through one hundred
and using figures thereafter—except for whole numbers used in combination with hundred, thousand, hundred thousand, million, billion, and beyond (e.g., two hundred; twenty-eight thousand; three hundred thousand; one million).
Does the Chicago Manual of Style use the Oxford comma?
Chicago has a few rules about commas that are easy to overlook. The most important is that
Chicago “strongly recommends” using a serial (or Oxford) comma for lists of three or more items
.
Is 18 years old still a child?
The United Nations Convention on the Rights of the Child defines child as “a human being
below the age of 18 years unless under the law applicable to the child, majority is attained earlier
“. … In U.S. Immigration Law, a child refers to anyone who is under the age of 21.
Is ten year old hyphenated?
In this example, 10-year-olds is acting as a substitute for a noun, so
we hyphenate it
.
