Category: polynomial

WODB: Polynomial Functions

If you haven’t experienced the conversation stemming from Which One Doesn’t Belong? activities, you are missing out.     As far as I can decipher (#MTBoS feel free to correct me), this all began with Christopher Danielson’s Shape Book centered around this structure.   From there, a crew of tweeps (headed up by Mary Bourassa) established WODB.ca (YES! Canadian) …

Polynomial Personal Ads

Every year, my students study the general characteristics of polynomial functions. We investigate the various shapes of various functions and slowly shift parameters to watch changes in the graphs. Eventually, we deduce the roles of the constant term, leading coefficient, and degree. It should be noted that Desmos makes this process much easier than years …

Manipulative Revelation

I completed school before manipulatives were in vogue. I am still not sure that they are today (where I teach). I know that my department’s manipulatives are locked up in a cupboard. In this Potter-like clandestine state, I didn’t even learn of their existence until the end of the year. I was moving classrooms, and …