Khan Academy
Khan Academy: Apostrophes and Plurals
Apostrophes are generally not used to form English plurals, but there are a few exceptions.
Capital Community College Foundation
Guide to Grammar and Writing: Quiz on Possessives and Irregular Plurals
This quiz asks students to type in the correct spelling of the plural or possessive as directed and to capitalize any proper nouns. Links are provided to a quiz list, tutorials for plurals and possessives, and the "Guide to Grammar and...
Capital Community College Foundation
Guide to Grammar and Writing: Possessive Forms
As you learn possessive forms, you will also learn about gerunds, present participles, compound nouns and more. This is a very complete resource tool for this subject.
English Plus+
Plural Possessives
This site discusses the correct and incorrect usage of apostrophes to show possession with plural nouns.
Love To Know Media
Your Dictionary: 2nd Grade Lesson Plans for Forming Possessives
This article focuses on teaching 2nd graders to form possessive. It provides two complete lesson plans with activities for teaching them how to form possessives.
Khan Academy
Khan Academy: Introduction to the Possessive
Learn to use apostrophes to indicate possession, or ownership -- and when not to use them.
Khan Academy
Khan Academy: Advanced (Plural) Possession
Possessive plurals have a complicated relationship with apostrophes, but this exercise is here to help you understand it!
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.
Quia
Quia: Funky Plurals Challenge Board
An interactive Jeopardy-style game for one or two players. Students answer questions by typing the plural forms of the nouns provided in the following categories: Plurals-Latin Words, Plurals-Greek Words, Plurals-Y Words, Plurals-O...
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.
BBC
Bbc: Skillswise: Plurals and Spelling Rules
The rules for spelling plural words and using them properly in English are made fun and easy with this BBC Skillswise worksheet for students.
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.
Georgia Department of Education
Ga Virtual Learning: Bracken Business Communications: Plurals & Possessives[pdf]
This is the PDF article "Bracken Business Communications: Plurals and Possessives" expaining the rules and exceptions for forming plural and possessive nouns and providing examples of each.
Other
Possessives
This article contains rules about the correct way to incorporate possessives into college writing. A link with downloadable practice exercises is included at the end of the lesson.
Bartleby
Bartleby.com: William Strunk on the Possessive Singular
William Strunk Jr.'s "Elements of Style" on the creation of possessive singular nouns. Provided by Bartleby.com
University of Victoria (Canada)
University of Victoria: Elc Study Zone: Irregular Plurals of Nouns
A chart containing information on how to form plurals with irregular nouns, and two exercises to practice the skills learned in the chart.
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.
Get It Write
Get It Write: Making Proper Names Plural but Not Possessive
This tutorial explains how to make your last name plural when sending greetings from your entire family (or anytime you are talking about your entire family.) This is a very common grammatical problem, and it is explained clearly here....
Love To Know Media
Your Dictionary: Teaching Plural Possessives
This site focuses on teaching plural possessive nouns and pronouns including what they are and methods of teaching them including using flashcards, and plural possessive Bingo, Wheel of Fortune, and Jeopardy.
ClassFlow
Class Flow: Singular and Plural Nouns
[Free Registration/Login Required] A simple flipchart exercise that will help children identify proper spellings of plural nouns.
Other
Grammar quizzes.com: Possessive Nouns: Indicating Possession
A series of carts containing rules and examples of possessives including singular and plural common nouns, proper nouns, inanimate nouns, days and holidays, and numbers and letters. A fourteen-question practice exercise follows the...
Other
Grammar quizzes.com: Regular Plural Nouns
A series of illustrated charts showing singular and plural forms of different types of regular plural nouns followed by twenty-two questions where students choose the correct plural form of each noun.
Capital Community College Foundation
Guide to Grammar and Writing: Plural Forms
A good explanation of Plural Forms for the student. Site also offers a quiz at the end. L.11-12.2b Spelling
Other
K12 Reader: Possessive Nouns
Take a look at examples of possessive nouns, both singular and plural.