Geometric Construction, continued

Readers of this blog probably realize that I’m very much into geometric construction. This is in part related to my general interest in puzzles, in and out of the classroom. (In my other life, I construct cryptic crosswords.) My first math education publications were books of geometric puzzles for grades K-10. My pentomino puzzle books stayed… Continue reading Geometric Construction, continued


17 June 2020: I sent out my e-newsletter. Topics included: “There is no one way”, a GeoGebra animations tutorial, sum and difference of cubes, Lab Gear graphics, symmetry, and my wallpapers catalog. Also: an announcement of my online summer / fall workshop — Hands-On Geometry. 15 June 2020: My July Hands-On Geometry summer workshop will… Continue reading News