"You better lose yourself in the digits of pi, it’s a high"

What the heck.... it's fun. /grin Are you ready for Pi Day??? Maybe this will help get your class in the mood!



Mathmaticious is still the king, imho. 2,398,000 views! Superstar!

Angle Sums Round Two

Angle Sums Round Two from (Chris) on Vimeo.

Okay, Springcreek - ready for round two? Download the Angles and Sums sketch right here.

Angle Sums of Any Polygon

I've created a couple of very short tutorials to assist students in using Sketchpad to investigate lesson 3.2 from Stretching and Shrinking. Here is the sketch to go along with them: Download Sketch



Angle Sums - Tia's Method from (Chris) on Vimeo.



Angle Sums - Cody's Method from (Chris) on Vimeo.

Spring Creek Mathematicians Tell Addition Stories!

8 Sleeping Billy Goats + 2 Billy Goats Playing from (Chris) on Vimeo.

Mathematics is about far more than numbers - and certainly must include more than lists of rules. In her book What's Math Got to Do With It?, Jo Boaler describes math as

a human activity, a social phenomenon, a set of methods used to help illuminate the world

 Second graders at Spring Creek are exploring how mathematics can be used to illustrate simple stories. More specifically, they are crafting stories involving combinations of 10. Perhaps you can tell what time of day these were recorded by all the references to sleep.  /grin

Motorcycles, Math, and Mistakes

First Start from (Chris) on Vimeo.

Some might think that the only math in the minds of bikers heading to Sturgis revolves around miles per hour and motel rates. When things go wrong, though mathematics is often the culprit. And just as reliably - part of the solution.

Two weeks ago, my engine stuck a valve. When I lifted the rocker covers, I found enough evidence to warrant a complete top-end overhaul. There was plenty of good math involved!