Praxis the robot and Alan the “human man” lead the letter X through the development of algebra from Ancient Egypt to Rene Descartes. Set students calculating tasks based on text. Ask them them to ...

During family dinner, we have a tradition. Everyone has to summarize their day by describing three good events and, if necessary, one bad event. When my turn arrived at a recent dinner, I turned to my ...

Mathematical patterns reveal profound truths about the universe and, surprisingly, about our inner lives as well. These five visual math concepts offer unique frameworks for understanding our behavior ...