Practical MathematicsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video12/09/2013December 9, 2013At a university-track high school in western Germany, 30 pupils from six different countries are collaborating to solve math problems. They're working in churches, museums and train stations instead of classrooms.https://p.dw.com/p/1AUueAdvertisement