Focuses on essential knowledge for teachers about proof and the process of proving. It is organised around five big ideas, supported by multiple smaller, interc

Why does it matter whether we state definitions carefully when we all know what particular geometric figures look like? What does it mean to say that a reflecti

Teaching Mathematics in Grades 6 - 12 by Randall E. Groth explores how research in mathematics education can inform teaching practice in grades 6-12. The author

Let’s face it, teaching secondary math can be hard. So much about how we teach math today may look and feel different from how we learned it. Teaching math in

How does a statistical model differ from a mathematical model? What are the differences among the sample distribution, the sampling distribution, and the popula