How do you know all this stuff?

That question was asked by the principal at one of my Elementary schools. Initially, he was hesitant to ask for my help. As the new EdTech Coach for the district (hired this year), he and I were both unsure of my role at his school (or my role at any of my 13...

Bad News: Santa is Dead

Whoa, parents! I haven’t given away anything. I’m just the mathematical messenger. Santa is Dead (There should be a source citation for the physics here, but I’ve long since deleted it in favor of this colorful presentation with pictures.) Ho Ho...