NCO Primary Leadership Subjects
Remembering Spelling Rules, Continued
The numbers for writing numbers are sometimes confusing. Whether you spell the
Writing
word out or use arabic numerals depends upon the purpose of the text. The
numbers
information in the following table will help you write numbers correctly.
Guideline
Example
Use arabic numerals for numbers of 10 or
The sergeant ordered 25 copies
of the manual.
more.
Exception: If the number comes at the
Fifty or
sixty
men
were
wounded.
beginning of the sentence, spell it and related
numbers out.
Spell out numbers less than 10 except when 2
The 3 NCOs had over 38 years
of military experience.
or more numbers appear in a sentence and 1 of
them is 10 or higher, then use figures for both
numbers.
Write time and dates using arabic numerals.
1100
11 o'clock
7 hours, 6 minutes, 25 seconds
4 days
5 May 1990
Write age and measurements using arabic
6 years old
numerals.
9 meters
7/8 by 16 inches
320 horsepower
20/20 vision
Continued on next page
Writing Mechanics and Composition
1-21
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