NumWorks - The graphing calculator that makes learning math easier.
Math Games - Math Games is a website which kids in Preschool through 8th grade can practice math.
Paperspade - Type math easily through just English text!
DragonBox Algebra - DragonBox Algebra 5+ - The educational game that secretly teaches you algebra.
Fact Flow - Simple solution to help kids achieve math fluency
GCompris - Educational Game for Children 2 to 10 years old.