# Category Archives: mathematics

## Example analysis from DeltaMath

With so much problem-based learning happening this year, I’ve been mixing in plenty of algebra by example-esque problems. They work really well because they get kids to analyze math work on their own and then use it to solve a similar … Continue reading

## Factoring trinomials by first rewriting them

So back in December, I gave this problem to my students: To my surprise, it got a lot of traction with the kiddos. We spent the entire period talking about it. The idea was for them to see how rewriting a … Continue reading

## My first (and second) memory of learning math

Some time ago Wendy Menard got me thinking about my first memory of learning mathematics. What was it? Its two things, actually. Both happened in fifth-grade. My teacher was a redheaded man with a great beard, Mr. O’Discoll (a.k.a Mr. O). … Continue reading

## My experience at Phillips Exeter Academy

To build upon my experiences this summer at the Exeter Mathematics Institute and to improve the newfound problem-based classroom, yesterday I paid a visit to the renowned Phillips Exeter Academy in Exeter, New Hampshire. I observed six mathematics classrooms, had a … Continue reading

## I threw all of my units out the window.

So I’m noticing a trend. it seems like every few years I have an epiphany that causes me to blow up my teaching and rethink what I’m doing in a major way. Case in point, six years ago I flipped my classroom and … Continue reading