Questions?

Nevan is measuring the length of an aquarium when he exclaims: "Dad, this thing is 3 feet long!" "No it's not, its 36 inc...

Popcorn Question from David Cox on Vimeo . Most of my previous attempts with these story problems have resulted in me slapping on a tim...

I need a little help.  I think I've nailed the question: Barbecue Q2 from David Cox on Vimeo . But I can't figure out what to...

Conference is here . What's at the center of my classroom? It's the same thing that drives my parenting: I'm raising them ...

Dawson (12) is ready to begin 7th grade and I'm taking over the curriculum duties. We are starting off with some of James Tanton's ...

Elisabeth decided to define her own project.  She became interested in the Golden Ratio.  She came to me with a boatload of questions she wa...

This year, I decided to take a much more hands-off approach when it came to student projects . There were some homeruns , but there were to...