game solving 1- and 2- step equations

http://aplusmath.com/Games/PlanetBlast/index.html

http://www.xpmath.com/forums/arcade.php?do=play&gameid=79

http://www.mathplayground.com/hm_fractions.html

http://www.arcademicskillbuilders.com/games/dirt-bike-comparing-fractions/

http://www.arcademicskillbuilders.com/games/ratio-blaster/

http://www.mathplayground.com/Decention/Decention.html

http://www.mathplayground.com/ShapeMods/ShapeMods.html

naming ordered pairs

http://www.mathplayground.com/locate_aliens.html

area & perimeter challenge

http://www.MathPlayground.com/MathApprentice/Builders.html

http://arcademicskillbuilders.com/games/orbit-integers/

http://arcademicskillbuilders.com/games/integer-warp/

http://www.xpmath.com/forums/arcade.php?do=play&gameid=80

http://www.mathplayground.com/numberballs.html

basic equations and logic

http://www.mathplayground.com/wangdoodles.html

Order of Operations

http://www.mathplayground.com/calculator_chaos.html