Triangular Teaser
This activity challenges students to fit five puzzle pieces into a triangular frame. This puzzle is a great example of the field of recreational mathematics—doing math just for the fun of it. Dr. Richard Thiessen, President of the AIMS Education Foundation, created this puzzle and several others like it after attending the 26th International Puzzle Party (IPP) in Boston.
Get Puzzle (244k PDF file; Requires Adobe Reader)