Community of Adult Math Instructors (CAMI)
teachers learning math together
The inspiration for this meeting came from a bike touring trip I took in May/June of 2025, from Vancouver, Canada to San Diego, California. (To see photos and read about the trip: https://birdfruit.wordpress.com.)
I started the meeting by asking participants to draw a bicycle from memory. You might found it’s harder than you think. Give it a try.
Continue reading “How do bikes work?”
In this meeting, we deconstructed a problem from NCTM’s Mathematics Teacher: Learning & Teaching PK-12, using a few ideas from The Art of Problem Posing, by Stephen I. Brown and Marion I. Walter.
Here’s the original problem:
In our first meeting of fall 2021, Sarah and Amy led through the group through an exploration of the ways of cutting a shape into pieces.
Continue reading “Representing Fractions”Bicycles are everywhere. Most of us know how to ride them. Many ride a few times a week. But have you thought about how the gears of a bike work? It’s stranger than you might think.
I started the meeting with a notice/wonder on some images from the history of the bicycle. Here are the images, with some of the things the group noticed and wondered, followed by some comments from me.
