10/8 Euclid’s Algorithm
Today the four kids who were not present the first time all came so I decided to start with everyone reintroducing themselves to the group. I had a few kids...
number theory
Book Review: Introduction to Number Theory and An Illustrated Theory of Numbers
Over the last 5 months, I worked through both Introduction To Number Theory and parts of An Illustrated Theory of Numbers with my son at home so I thought ...
Exponent Tower Redux
I saw a different version of the tower of 7’s problem in a book I’m reading on number theory. This is the mostly rambling thought process I’ve been going thr...
10/25 Strange Bases
This was a funny week. All the eighth graders were out on the class trip so Math Club skewed younger. That played a part in my planning. I aimed a bit less c...
12/1 The power of 37
This week I led math club by myself. I decided I would focus on a pair and share exercise where we’d work through 3 problems and spend time explaining answer...
Reversing digits
Moderator Note: What’s better than one semi math-crazy after school coach? How about two of them. My friend Dan has agreed to run our feeder Middle School’s...
Squaring the Rectangle
This Tiling Problem published in wordplay by Matt Enlow looks like a great first day activity.
Can we get from here to there?
I’ve been looking at the five triangles site recently: fivetriangles.blogspot.com and I like alot of the problems there. I’m now considering whether the most...