Geometry

Angles, polygons, spirals, and circles.
Short notes

Short notes

I passed a lovely morning with some math teacher friends at the Museum of Math in New York City today. Sadly, I did not have Griffin or Tabitha along. We would have had a ball. I have three observations... One. There is lots for kids to do there. It is truly a...

Armholes

Armholes

We were packing for a trip recently. I have developed a system for getting the kids packed. It is beautiful. Here's how it works: Send kids to basement to get suitcases.Keep suitcases on first floor.Send kids upstairs to get one type of item at a time. E.g. Three...

A circular conversation

A circular conversation

The following conversation took place about two years ago. It is probably the first one that made me realize how important it is to talk math with my kids. Near the beginning of the conversation I noticed myself making a choice between engaging her mind and moving...