October 24, 2011

“This procedure gave a way to introduce powerful ideas such as mechanical advantage and torque not in an abstract way but in a concrete, connected way. The students found the ideas powerful because they enabled them to achieve what they wanted. A procedure that directs attention to the limiting factors not only models a productive […]

October 4, 2011

“I’m going to pick on one little corner of school, namely mathematics. I am a mathematician, so it is easy for me to talk about math, but what I have said applies to everything. Now in mathematics the dominating feature is the content. I recently did a little research on what discussion there is in […]