MathIsFun Times Table - Learn Your Multiplication Tables
Math Search - See posts, photos and more on Facebook.
I Know It - "I Know It" is an online game for practicing primary-level math concepts.
NumberDrop - A uniquely challenging math puzzle game.
childsplay - Childsplay is a collection of educational activities for young children and runs on Windows, OSX, and Linux. Childsplay can be used at home, kindergartens and pre-schools.
Simple Sudoku - Freeware Sudoku Puzzle Maker and Solver