Reader Lists. Arranged by topic, this is a compilation of literature (stories vs. textbook) that teach math.
Math Fun & Games
Online Logic Puzzles & games Weekly and monthly interactive and printable puzzle
Hunkin’s Experiments – These are my kind of science experiments–short, sweet and to the point in a very un-scientific format.
CuriousMath – a fun site with lots of tricks and handy tips. My favorite page is The Top Ten.