To help guide the development of Season 7 (Do The Math!), this formative evaluation gathered feedback from third graders in response to three different materials: (1) a web-based game concept; (2) a web-based storymaker concept; and (3) The Misadventures of Buzz & Delete short videos. Cyberchase is the Emmy Award-winning mathematics series and website on PBS KIDS GO! using broadcast, web, new media and educational outreach to impact millions nationwide. Designed for children ages 8 to 11 and packed with mystery, humor, and action, Cyberchase's mission is to improve kids' problem-solving and