The craft part is less my specialty, but happily, the blog Math In Unexpected Places did a beautiful post on Star Polygons a few years ago, and everything you [...]
Another video challenge to share, called Subtracting Reverses. Once again, a strange little mystery can motivate a ton of subtraction practice. The subtraction [...]
When you want a problem that won’t quit, it’s hard to beat Diffy Squares. This crazy little enigma has had more folks doodling squares and [...]
Note: Third in a series of coronavirus support emails. Sign up to receive our emails here. We’re all homeschooling now, it seems! Fortunately, there are [...]