This is a series of mathematics lessons that will review the important topics in arithmetics with examples and solutions.
These lessons will also be useful as a pre-Algebra review.
The videos are presented by the Portland Community College.
What is Percent?
Changing Decimals to Percents
Changing Percents to Decimals
Fractions to Percents
Percents to Fractions
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.