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 [...]
Here are the questions folks contributed: From Paul: Why on earth would you break the symmetry by using a parallelogram instead of two triangles in the [...]
Here are three dodecahedra dodecagons (that is, 12-gons) a group of students I work with put together out of pattern blocks. I have some thoughts about [...]
This is the Towers of Hanoi. The puzzle is almost intuitive: how can you move the tower from the left peg to the right without placing any larger disks on top [...]
I've often had a gut feeling that we actually invest life into math questions that grab us. Here' s a question I like: Question: How does a bishop behave on a torus chess board?
I was planning to redo this video, but with the Julia Robinson Festival coming up on Sunday, it’s going to be a while before I get it together, so here it [...]
