Math presentation is usually hard to do and the reasons are as following. Firstly, Math is hard to talk about. People who know Math generally just think it's a natural ability. Secondly, Math usually has one and only one answer. The later presenters can have such a big advantage. To conquer those, I have made two open book assignments this term. Student receive same questions but DIFFERENT PARAMETERS in those assignments. They need to present a 10 mins problem solving demo to the class. As they