The familiar, hierarchical sequence of math instruction starts with counting, followed by addition and subtraction, then multiplication and division. The computational set expands to include bigger ...

As racial inequity soars on the nation’s radar, math teachers are increasingly bringing social-justice questions into their classrooms to help students see the subject’s relevance and recognize that ...

For sheer brilliance, it was hard to beat John von Neumann. An architect of the modern computer and inventor of game theory, von Neumann was legendary, above all, for his lightning-fast mental ...