Revisiting Grant Sanderson’s “fair division” video thanks to an Amy Hogan tweet

I saw a tweet from Amy Hogan this morning that reminded me of an old project: The old project is here: And Grant’s video is here: Before we started the project today, I had my son watch Grant’s video. Here are some of his takeaways: Now we tried to see if we could find a … Continue reading Revisiting Grant Sanderson’s “fair division” video thanks to an Amy Hogan tweet

10 fun geometry ideas to share with kids – inspired by a Jordan Ellenberg tweet

I saw an interesting tweet from Jordan Ellenberg earlier this week – here’s writing a new book on geometry and was asking for suggestions for neat geometry ideas people have seen: Having spent close to 10 years now searching for fun math ideas to share with kids, the tweet from Ellenberg was a good motivation … Continue reading 10 fun geometry ideas to share with kids – inspired by a Jordan Ellenberg tweet

Sharing Grant Sanderson’s Fractal Dimension video with kids

A few weeks ago Grant Sanderson published this amazing video about fractal dimension: I’ve had it in my mind to share this video with the boys, but the discussion of logarithms sort of scared me off. Last week, though, at the 4th and 5th grade Family Math night the Gosper curve fractals were super popular. … Continue reading Sharing Grant Sanderson’s Fractal Dimension video with kids

Grant Sanderson’s “Fair Division” video shows a great math project for kids

[sorry for a hasty write up – had to be out the door by 8:15 this morning . . . ] Yesterday I saw the latest video from Grant Sanderson, and it is incredible! I couldn’t wait to share the “fair division” idea with the boys. I introduced the concept with a set of 8 … Continue reading Grant Sanderson’s “Fair Division” video shows a great math project for kids

Recursive functions and the Fibonacci numbers

My son asked me about recursive functions yesterday morning and I showed him Dan Anderson’s online tutorial: Even though Dan’s resource covers just about everything ( ha ha ) I thought maybe there was still something we could discuss this morning. So, I talked about the Fibonacci numbers. First we did a quick introduction: Next … Continue reading Recursive functions and the Fibonacci numbers