Interactive
Curated OER

Punctuation Practice

For Students 4th - 6th
In this punctuation learning exercise, students determine the correct punctuation mark that matches a given description. Students may check answers by clicking an answer button beneath each sentence.
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Online Writing Lab at Purdue University

Purdue University Owl: Exercise: Apostrophes

For Students 9th - 10th
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.
Study Guide
Khan Academy

Khan Academy: Apostrophe Use Quick Guide

For Students 9th - 10th
A short guide on how to use apostrophes correctly.
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Capital Community College Foundation

Guide to Grammar and Writing: Exercise Plurals & Possessives

For Students 9th - 10th
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.
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Towson University

Towson University: Ows: Apostrophe Use Exercise 1

For Students 9th - 10th
This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.
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Towson University

Towson University: Ows: Apostrophe Use Exercise 3

For Students 9th - 10th
This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.
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Towson University

Towson University: Apostrophe Use Exercise 4

For Students 9th - 10th Standards
This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.
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Towson University

Towson University: Ows: Apostrophe Use Exercise 2

For Students 9th - 10th
This is a 10-question, self-grading exercise/quiz on the use of Apostrophes.
Study Guide
Khan Academy

Khan Academy: Apostrophes

For Students 9th - 10th
Is it it's or its? Learn the basics about apostrophes here!
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Capital Community College Foundation

Guide to Grammar and Writing: Catastrophes of Apostrophic Proportions

For Students 3rd - 8th Standards
An interactive exercise where students practice apostrophe use with plural nouns, singular and plural possessives, possessive pronouns, and irregular plural nouns. In each of the six sentences, students choose the correct apostrophe...