For+My+Boredom

http://www.mathsisfun.com/games/3d-tetris-game.html 3d tetris

[] proximity

http://www.mathsisfun.com/games/hangman-game-with-math-words.html hangman mathmatics

http://www.mathsisfun.com/games/place-it.html place it

Want a challange? Try place it with 20 blocks/pieces! :)