Several practice activities http://multiplication.com/interactive_games.htm
Timed practice http://www.mrmyers.org/Math_Mania/ttmult.html
Multiple Choice Practice http://www.mathsisfun.com/timestable.html
Times table practice http://www.honorpoint.com/
Click and conquer! http://www.playkidsgames.com/games/mathfact/mathFact.htm
Grand Prix Multiplication http://www.arcademicskillbuilders.com/games/grand_prix/grand_prix.html
Tug Team Multiplication http://www.arcademicskillbuilders.com/games/tractor-multiplication/tractor-multiplication.html
Meteor Multiplication http://www.arcademicskillbuilders.com/games/meteor/meteor.html