Cyberchase: Games http://pbskids.org/cyberchase/allgames.html
Funbrain: Sudoku http://www.funbrain.com/sudoku/Sudoku.html
Funbrain: Math Baseball http://www.funbrain.com/math/index.html
Funbrain: Number Cracker http://www.funbrain.com/cracker/index.html
Funbrain: Change Maker http://www.funbrain.com/cashreg/index.html
Free Rice: donate rice to help end hunger http://www.freerice.com
Word Jungle http://www.fekids.com/kln/games/wordjungle/wordjungle.html
Flashcards: Java - Rounding http://aplusmath.com/Flashcards/rounding.html
Flashcards: Non-Java - Money http://aplusmath.com/Flashcards/index.html