Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
Which is bigger?
How Old am I?
Peaches Today, Peaches Tomorrow - November 2010
Consecutive Sums
Compare Areas
Chances Are
Curvy Areas
Efficient Cutting - April 2010
Curved Square - March 2010
Circle Packing - October 2008
Counting fish - June 2008
Big Powers Poster - July 2008
Overarch - March 2009
Circular Circuitry - June 2009
Cubic Net - November 2009
Spotting The Loophole - August 2009
Pick's Theorem Poster - December 2006