They're part of a math/art class that I volunteer-teach for a local club. These three are based on Vi Hart's hexaflexagon videos. The first time I had to temporarily homeschool one of my kids, it was a daunting experience, and having other people's lesson plans was helpful. So, I just wanted to pay it forward a little by making these available to anyone who wants them.
Alex DrevessaI teach a ten-session "Math Art" class for middle-school students, based on Vi Hart's amazing videos. Three of the classes are on hexaflexagons. Here are my lesson plans for those classes-- each lesson takes about 50 minutes. Hexaflexagons Day 1: (Link to my slow version of "How To Make a Hexaflexagon") Introduce the video by…
https://alexdrevessa.com/hexaflexagons-three-lesson-plans/