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.
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.
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.
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.
![Bellevue Community College: Apostrophes [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/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.
Grammarly
Grammarly Blog: Apostrophe Rules
This page focuses on the rules for the uses and misuses of the apostrophe including contractions and omissions, possessive nouns, possessive pronouns, how to write joint possession, plurals, apostrophes with surrounding punctuation, and...
TED Talks
Ted: Ted Ed: When to Use Apostrophes
It's possessive. It's often followed by S's. And it's sometimes tricky when it comes to its usage. It's the apostrophe. Laura McClure gives a refresher on when to use apostrophes in writing. [3:14]
Khan Academy
Khan Academy: Apostrophe Use Quick Guide
A short guide on how to use apostrophes correctly.
Khan Academy
Khan Academy: Meet the Apostrophe
Apostrophes have many important uses in the English language, and this exercise will give you an introduction to those uses!
Khan Academy
Khan Academy: Apostrophes and Plurals
Apostrophes are generally not used to form English plurals, but there are a few exceptions.
Towson University
Towson University: Online Writing Support: Self Teaching Units: Apostrophes
This module explains how to use apostrophes to form possessive nouns and pronouns, provides links to exercises for each new idea, and a link to a post lesson quiz.
Robin L. Simmons
Grammar Bytes: Apostrophes: Exercise 1
Practice apostrophe usage by deciding if the apostrophe in each of these 20 sentences is used correctly.
Robin L. Simmons
Grammar Bytes: Apostrophes: Exercise 2
Practice apostrophe usage by deciding if the apostrophes in each of these 20 sentences are used correctly.
Robin L. Simmons
Grammar Bytes: Apostrophes: Exercise 3
Practice apostrophe usage by deciding if the apostrophes in each of these 20 sentences are used correctly.
PBS
Pbs Learning Media: Forming and Using Possessive Nouns
Possessives show when a noun belongs to someone. It is often indicated with an apostrophe "s", but when words end in "s" only an apostrophe is added.
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.
Sophia Learning
Sophia: Apostrophe Guidelines for Possessives
This lesson explains the use of apostrophes to form possessives.
Other
Tidewater Community College: Writing Center: Apostrophes
Discusses the two main functions of apostrophes: contractions and forming possessives.
Sophia Learning
Sophia: Apostrophes and Possession
Six slides introducing apostrophes and how they can be used properly with singular and plural nouns to show possession.
Sophia Learning
Sophia: Apostrophes and Contractions
This slideshow lesson focuses on apostrophes and contractions; it defines contractions and shows how contractions are formed using apostrophes for the missing letters. It provides a contraction chart including the contraction, its...
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.
English Plus+
Apostrophes With Possessives of More Than One Owner
When to use the apostrophe when more than one person shares the same item, and when similar items are owned individually by different owners. Examples are provided.