Charlie Brown and his friends were critical to my early philosophical outlook, not to mention my understanding of mathematics education. I remember wondering how new math was different than old math. Was I doing new math? When would my teachers tell me it was time to ditch the old math? It was only much later when I was working in education that I started to grasp the differences in approaches to mathematics curriculum, by which time the new math was old, and the new, new math was causing its own controversies. The original new math was part of the Sputnik era of education reform, which also included several new science curriculum initiatives, many funded by the National Science Foundation. More than 50 years later, we’re