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Consecutive Sums

Which is bigger?

How Old am I?

Peaches Today, Peaches Tomorrow - November 2010

Compare Areas

Curvy Areas

Posters for Gabriel's Problem

Chances Are

Efficient Cutting - April 2010

Curved Square - March 2010

Counting fish - June 2008

Big Powers Poster - July 2008

Pick's Theorem Poster - December 2006

Circle Packing - October 2008

Overarch - March 2009

Cubic Net - November 2009

Spotting The Loophole - August 2009

Circular Circuitry - June 2009

Harmonic Triangles - October 2005