What are the aims and goals of math education, K-2?
As part of the Math for Future Elementary School Teachers class we’re teaching at the UW, we regularly ask our students to reflect on what they’re learning [...]
How to help your kids fall in love with math: a guide for grown-ups
So you want your kid to know math? Of course you do. Math is an important tool, used widely in many disciplines, and helps us make sense of our world. It’s [...]
Thoughts on linear equations
I recently received this email from a teacher I work with: “Dan, I have a question for you. I just introduced my [pre-algebra students] to slope and then to [...]
Phi is the new root 2
My knowledge about the foundation history of irrational numbers was challenged today, and I’m pretty happy about it. I had recently tweeted a Vi Hart video [...]
Saying Yes: Joi Ito’s 9 Principles
Recently, Dan gave a TEDx talk based on the blog post 5 Principles of Extraordinary Math Teaching. In the conversations we had with each other and with other [...]
Goodbye hexagon, hello 6-gon!
A colleague of mine once remarked how strange it is that while the Greeks talked about 6-cornered shapes and 4-sided shapes, we talk about hexagons and [...]