. >> kami thordarson allowed her students to experiment with the program to see what it could offer.t we didn't know they could. i mean, it was -- it was surprising to them and to us the levels that they were reaching. and it was fascinating just to watch them be free, to have that freedom to explore on their own. >> one crucial discovery thordarson made was that it made a lot of sense for students to watch the videos at home. >> woohoo! victory! >> it is the reverse of the current system where students spend valuable class time simply getting the basic information from the teacher. copying notes. >> now they're able to do the problems, which are really the most important part of the learning process, they're able to do the problems with other people around them. a teacher around them. with their peers around them. they can actually tutor each other. >> when her students get stuck, thordarson tells them to write their name on the board. another student soon comes to the rescue. >> add this to it. >> the classroom buzzes with little tutors who are learning themselves through the act o