(I remixed this resource in order to eliminate some of the reading needed in the original. I also to limited the degrees of the purple portion to 180 degrees or less to help avoid confusion.)
Please begin with Dan Meyer's video: [url]http://player.vimeo.com/video/32756849[/url], then return to the student page for an interactive spinner.
The user can see the result of 500 spins and the amount of money earned choosing purple or blue for a given size of the purple region.
