Lumen Learning
Lumen: Readability: Contractions, Acronyms, and Numbers
This lesson focuses on recognizing and demonstrating the standard uses of apostrophes including in possessives, contractions, acronyms, and numbers. It also provides a practice activity.
Lumen Learning
Lumen: Writing Skills: Possessives
This lesson focuses on recognizing and demonstrating the standard use of apostrophes when using both singular and plural. It also provides a practice exercise.
Online Writing Lab at Purdue University
Purdue University Owl: The Apostrophe
This site focuses on the three uses for apostrophes: forming possessives of nouns, forming plurals of lowercase letters, and showing omission of letters and provides examples of each.
Capital Community College Foundation
Guide to Grammar and Writing: The Apostrophe
What is an apostrophe? Where are apostrophes found in writing? Use this website to learn more about these crazy little punctuation marks.
SUNY Empire State College
Empire State College: Apostrophes
This resource looks at the three main uses of apostrophes: to take the place of deleted letters; to show possession; and to show plurals of letters, numbers, symbols, abbreviations and words used as words.
Better English Lessons
Better English Lessons: Apostrophe S Matching Exercise
This is a 20-question, self-grading quiz over the use of apostrophes.
Robin L. Simmons
Grammar Bytes: Rules for Finding and Fixing Apostrophe Errors
Rules and examples to demonstrate proper use of apostrophes to show possession, form contractions, and make irregular plurals.
Sophia Learning
Sophia: Apostrophes and Possession
This lesson focuses on the use of apostrophes to show possession. It explains when to add apostrophe s, when to add only an apostrophe, how to show joint possession, and how to show possession with compound nouns. It provides examples of...
Sophia Learning
Sophia: Apostrophes in Contractions
This lesson explains the use of apostrophes to form contractions.
Khan Academy
Khan Academy: Meet the Apostrophe
Self-checking quiz tests understanding of apostrophes. Immediate feedback is given and hints or a video are available if needed.
![Bellevue Community College: Apostrophes [Pdf] Handout](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Bellevue Community College: Apostrophes [Pdf] Handout")
Other
Bellevue Community College: Apostrophes [Pdf]
Resource explains the three uses of the apostrophe and provides examples. Requires Adobe Reader. [PDF]
Online Writing Lab at Purdue University
Purdue University Owl: Exercise: Apostrophes
This lesson has twenty items to test your understanding of apostrophes. Print the exercise and punctuate correctly. Answers are provided at the end of the exercise, along with an online handout on the rules for using apostrophes.
Sophia Learning
Sophia: Apostrophes: Tutorial
In this slideshow tutorial, the punctuation topic of "the apostrophe" is reviewed. Each slide provides a different purpose for using an apostrophe.
Sophia Learning
Sophia: Apostrophes and Contractions
This lesson focuses on apostrophes and contractions; it defines contractions and discusses how they are formed by using the apostrophe to replace the missing letters. It provides a list of common contractions and the words they stand...
Towson University
Towson University: Online Writing Support: Apostrophe
This entry explains and provides examples of when and how to use the apostrophe to show ownership and to form the plural of letters, numbers, and signs used as words. It also explains when not to use apostrophes such as with the pronoun...
Georgia Department of Education
Ga Virtual Learning: Grammar Ii and Technical Writing: Apostrophe
This lesson focuses on the rules for apostrophe use. It includes a list of rules and examples of apostrophe use and links to a website on apostrophe rules.
Other
World Wide Words: Possessive Apostrophes
This site discusses the misuse of the apostrophe, such as using an apostrophe in a word which is a simple plural, now known as "greengrocer's apostrophe", the contraction it/it's, who's/whose, etc. A trend toward dropping the possessive...
Other
Tidewater Community College: Writing Center: Apostrophes
Discusses the two main functions of apostrophes: contractions and forming possessives.
Sophia Learning
Sophia: Apostrophe Guidelines for Possessives
This lesson explains the use of apostrophes to form possessives.
Capital Community College Foundation
Guide to Grammar and Writing: Exercise Plurals & Possessives
This site offers exercises in the sometimes confusing use of plurals of possessives. In each space write "C" if correct, or "I" if incorrect. Then click on "Submit Application" for the answers.
Khan Academy
Khan Academy: Apostrophes and Contractions: Introduction to Contractions
Try these five multiple-choice questions to help review your understanding of contractions and apostrophes.
Department of Defense
Do Dea: Conventions
Sharpen your use of the formal conventions of English with this self-guided learning module. The module focuses on formal and informal language, making pronouns agree with their antecedents, and common spelling and grammar errors. At the...
Other
Sandhills Community College: The Apostrophe
A valuable resource for learning about the uses of the apostrophe in English punctuation, including apostrophes with possessive nouns as well as contractions. Provides examples.
English Plus+
Grammar Slammer's Apostrophes Showing Possession
This site discusses the correct and incorrect usage of apostrophes to show possession and examples are provided. Note that links are provided at the bottom of the page for other specific uses of the apostrophe.