Let me know if these are things that interest you as a teacher of children:
My son was given this lizard as a big brother gift (can’t find online link to product, but here’s a similar toy).

Thoughts?
Left image
Length: 905 pixels
Width (between front feet): 275 pixels
1 inch: 90 pixels
Right image...
"'M&M's Mega' To Have Three Times More Chocolate." Oh brother here we go again. http://t.co/zrBE5tZ3Al /cc @dandersod
— Dan Meyer (@ddmeyer) May 16, 2014
What a great Calculus activity (hint: rotational volumes).
Cross sections with an exacto:
Hello all, we’re looking to reinvigorate the Daily Desmos project and we’re looking for new contributors (and that means you!). We’re taking away the schedule and the numbering system so you can submit posts directly to DD whenever you’d like. You can still submit images via email, but we’re go...
Careful SBG, the all seeing eye of pershauron is trained on you: http://t.co/S6QAJz1p86 c/o @mpershan
— Dan Anderson (@dandersod) May 19, 2014
In response to the Dark Lord Pershauron, I’ve decided to see what feedback you all have for my current SBG setup (v 5.0).
The course is Pre-Ca...
How did the magistrate recommend that the two bedouins divide the money?
This is a crosspost from my 180 photo blog.
If you haven’t read Dan Meyer’s take on the Money Duck, go ahead and read up.
Here’s some classroom action:


I presented the Money Duck to my PreCalculus H classes. We were in the midst of probability and we were moving to...
Edward Frenkel, author of Love and Math, was on The Colbert Report.
Here’s a transcript of an especially interesting segment:
Edward Frenkel: When you say that you hate math, you’re really saying I hate the way math was taught to me. Imagine you’re in art class in which they only teach yo...
I had so much fun with the original Mandelbrot program that I decided to see if I could improve it. I was amazed by how easily I was able to generate a fractal picture that looked exactly like other pictures online. I didn’t look at anyone else’s code, just went down the path and the amazing Mande...
I was inspired by a My Favorite presentation from a student on the Mandelbrot fractal. I played around for a half hour at school without a ton of success, but I sorted out the sticking points on the way home, and finished it up tonight. Amazingly simple (the code may not look simple, but it’s all...