The motivation behind our series, 50 Great Teachers, is pretty simple: Celebrate great teaching and great teachers.
A few months ago, I celebrated Sarah Hagan, who doesn't so much teach algebra as shout it from the rooftops. Never have I seen more creative math lessons or more engaged students than in her classroom in Drumright, Okla.
The story is below. If you missed it, here's all you need to know about Hagan:
Algebra speed-dating, problem-solving with snowballs, math jewelry collection.