It’s happened to every teacher. It’s Thursday, but your students don’t seem to remember Wednesday or Tuesday, and you’ve got three times as much [...]
I recently posted this interesting inversion problem: The question is this: in mod n, how many functions f(x)= ax +b are their own inverses? For example, the [...]
I’ve been exploring a new problem with a couple of students recently that I find incredibly compelling, and I thought I’d mention it here. The main idea is [...]
There has been considerable backlash against processed food products in the last few years, and for good reason. A slew of health problems implicate what we [...]
There are two major thrusts to math education. One is to teach skills–how to combine numbers, for example, and the definitions and rules of things in the [...]
I’d call this article, about how doubling the time students spent studying algebra led them to do better in math and also reading and writing(!) a case of [...]