Showing posts from 2011

Closest packing of Christmas cookies?

A quick fractal Christmas Tree in Illustrator

Geometric series in Adobe Illustrator

How tall is Yertle the Turtle?

Flip the Sign

Million-dollar division problem

Play dough math

Free math poster for your classroom!

Flash Math Art

In the free box

Cylindrical perspective

Which is worse: curriculum or instruction?


The Notes

Transformation Tai Chi

Unwinding "The Biggest Ball of Twine in Minnesota" Pt. 1

The Story of Maths

Fractal Magic Square

Quad-core graphing calculator

Angry Birds teach calculus!

Angry Birds teach parabolas!

Cheap polyhedra!

Free pi posters!

Race to the Tree

My setup



Pentanonic awesomeness