This lesson teaches the student how to find the area of a circle using the proper formula. The lessons begins with a quick review of geometry vocabulary such as radius and diameter and is concluded with two practice problems.

This lesson briefly explains a few different punctuation marks. The lesson talks about periods, commas, exclamation points, and question marks. This short video explains why they are necessary and gives examples on how they are used.

This lessons covers the steps to complete a proper proofreading and/or edit of your paper. The lessons starts with tips you may use when proofreading your paper. The lesson concludes with an interactive proofreading assignment that allows the viewer to proofread a given assignment and then is followed with an interactive answers.