Punctuation—The Period (.)

Content code

e2510

Slug (identifier)

punctuation-the-period

Grades

Grade 1

Grade 2

Grade 3

Topic

English Language Arts

Content

Title (level 2)

Period Uses

Title slug (identifier)

period-uses

Contenu

Content

Corps

Periods are used to:

indicate the end of a sentence.
organize information or ideas into separate sentences.
avoid long and confusing sentences.

The period at the end of a sentence indicates a pause, when reading or speaking.

Any word following a period is always capitalized.

Content

Columns number

2 columns

Format

50% / 50%

First column

Corps

To indicate the end of a sentence

Image

An inventor making a collar to hear her cat talk.

Description

The period at the end of a sentence indicates a pause, when reading or speaking.

Second column

Corps

To avoid long & confusing sentences

Image

A cat talking through a machine with an endless sentence without any punctuation.

Description

Separating a long sentence into shorter ones makes the message clearer and easily understandable.

Title (level 2)

For Advanced Users—Periods in Abbreviation

Title slug (identifier)

for-advanced-users-periods-in-abbreviation

Contenu

Title

Periods in Abbreviation

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Some abbreviations have periods. Here are some guidelines for general use:

Abbreviations with periods		Abbreviations without periods
All lower-case abbreviations		All CAPS abbreviations & acronyms
i.e.	in other words or that is (id est*)	NASA	National Aeronautics and Space Administration
e.g.	for example (exempli gratia*)	UN	United Nations
etc.	and so on (et cetera*)	VPN	Virtual Private Network
adj.	adjective	FYI	For Your Information
misc.	miscellaneous	SPF	Sun Protection Factor
Contractions		Contractions in British English
Mr.	Mister**	Mr	When the contraction uses the first and last letter of the full word.
Mrs.	Missus**	Mrs
Dr.	Doctor	Dr
Jr.	Junior	Jr
Shortened forms		Measuring units & technical abbreviations
Prof.	Professor	cm	centimetre
Jan.	January	kg	kilogram
Inc.	Incorporated	ml	millilitre
Initials in names		dB	decibel
J. R. R. Tolkien	John Ronald Reuel Tolkien	kHz	kilohertz
Philip K. Dick	Philip Kindred Dick	ppm	parts per million
Alfred E. Neuman	Alfred Enigma Neuman	fps	frames per second

*Latin phrases
**Only used in contraction form

Corps

Used both with and without periods
Days of the week
Mon.	Mon	Monday
Wed.	Wed	Wednesday
Fri.	Fri	Friday
Sat.	Sat	Saturday
Time
a.m.	AM	before noon (ante meridiem*)
p.m.	PM	afternoon (post meridiem*)
Geographical abbreviations
P.E.I.	PEI	Prince Edward Island
U.K.	UK	United Kingdom
U.S.A.	USA	United States of America
N.Y.C.	NYC	New York City
Imperial units of measurement
in.	in	inch
ft.	ft	foot/feet
mi.	mi	miles
lbs.	lbs	pounds (libra pondo*)

*Latin phrase

Title (level 2)