This is a handout that goes with my Gear Ratios Lecture. It is a basic lecture for Gear Ratios in VEX EDR/V5 . All of my downloads are no frills and no fuss. They are just items I use in class that I'm trying to share with others. This lecture is 24 slides long. It explains how gears work, how to calculate a gear ratio (There are several ways/methods to do this. I teach this in the way I've found my high school students can understand and apply to their robots).Teachers would need a basic und