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:
Sequences of Fractions
Category: Ratios/Proportion
Representing Fractions
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”Pedaling a Bicycle
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.
A little bicycle history…
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.