After a year of distance learning, the range of skill levels in math class is very wide, with some students still learning concepts from several grades behind. That means teachers have to get creative ...

“How do I write an equation for exponential decay?” one of my students asked me recently. “I’m trying to predict when Indian elephants will become critically endangered.” I’m a high school math ...

Someone just pointed me at a video on YouTube showing an interesting graphical multiplication technique using intersecting lines. Of course, the problem with YouTube is that once you're there, you see ...

Construct a convex octagon with four right angles. It probably says a lot about me as a teacher that I assign problems like this. I watch as students try to arrange the right angles consecutively.

Zachary Champagne’s 3rd and 4th graders figure out early on that this math class will be different when their teacher tells them: “I don’t care about the answer.” The goal is to shift his elementary ...

Mathematicians sometimes think of their research as a garden and unsolved problems as seeds waiting to sprout. Some problems are analogous to tulip bulbs. As mathematicians work to solve them, they ...