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.

Is it it's or its? Learn the basics about apostrophes here!

A short guide on how to use apostrophes correctly.

What is an apostrophe and how is it used properly in punctuation? "Punctuation Made Simple," gives some concrete examples for apostrophe use.

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...

An interactive abbreviations assessment is found on this page. Acronym, initialism, and contraction concepts are included on this assessment.

This lesson plan focuses on the roles of all of the punctuation marks; it provides a video, small practices in various sections, and a punctuation self-check.