Archimedes' Lab
http://www.archimedes-lab.org/
The developers of Archimedes’ Lab have developed hands-on, thinking games which help teach mathematical applications. Through puzzles and problem solving, students learn to be more observant, think beyond the obvious answers, and creatively solve mathematical challenges. Cool features include tessellations, optical illusions Puzzles and engaging activities awaken curiosity and geometric intuition and develop critical thinking skills.Be sure to visit
- Curiosities which includes Pasta: Edible Geometry and Zoology of Numbers: 0 to 200 which highlights what is distictive about individual numbers.
- Teacher’s Resources which includes Vanish Puzzles and Droodles- visual puzzles that combine doodles and riddles.



