Pre-Algebra lesson about Ratios. Explains what a ratio is and shows examples of equivalent ratios in various forms.
Watch video Mathematics Lesson: Ratios Part 1 (Simplifying Math) online without registration, duration hours minute second in high quality. This video was added by user Buffington 23 January 2009, don't forget to share it with your friends and acquaintances, it has been viewed on our site 5,274 once and liked it 23 people.