iQuest Handheld Math Cartridges (6th-8th Grade) Questions help kids find the math info they need to ace their school tests and quizzes -and have fun learning it. This iQuest expansion cartridge contains more than 14,000 math questions based on 68 textbooks* used in the classroom. Kids pop the cartridge into the iQuest handheld, then follow three easy steps to the learning fun: Scroll to find a textbook*. Select a chapter to study. Play two fast-paced quiz games - complete with audio, animations and scores - to master the chapter material. If kids don't find their textbook, they just select from a list of key age-appropriate topics to let the learning games begin.