square root of negative one teach math

My calculus class recently finished up sketching a derivative, given the graph of a function. We began with using spaghetti and estimating...

I wrote about this once before . Go back and read that if you want. Or don't. I'm about to summarize here anyway. :) Yesterday the...

2013 brought a few firsts to my classroom (and life): 1.  I started SBG in my Calculus class. And I am wondering what took me so long. Stu...

My students have never had such accuracy in identifying domain and range from a graph. Thanks to this little unsuspecting guy. I ...

One question comes up as I've recently dipped my toes into programming on calculators with my students . . . You teach your students to ...

Chiming in a little late , but I wanted to share my journey into blogging . . . I still remember the day when I disco...

Day 3, for documentation purposes . . . I now have so many questions swimming around in my head related to how & when I would use progra...