Middle-School (grades 5 through 9) math program written to provide skills in context. Students use mental math and proportional thinking to find common percentages (10% 5% 1% 15%, etc.) of a given number. Percent-O-Rama is licensed as freeware, full size of the download is 0.180 MB. You may download a free version of Percent-O-Rama by following download link at Free Download section of this page. Percent-O-Rama is developed or distributed by Polymath Love and is listed under mathematics middle school k-12.