Mathematical fiddle “things”

Ever since I watched the above clip from Vi Hart I’ve been fascinated with flexagons and so one night this week I made my very own trihexaflexagon. It was after I’d marked a test for one of my classes and even though we’ve spent lessons and lessons on circles there were still some students that … Read more

Pi day … March 14th

A bit of a cliché for pi day is to teach something circle related, so I guess that means I’m a cliché. I’m going to start the lessons with the circumference version (here) of one of my “Follow me” worksheets and then I’m putting together a “whodunnit” worksheet working up to finding the radius and … Read more

Secret Link