Math Suite
Here is an excellent website to practice basic skills - multiplication facts
Click on "up to 10" and also click on "adding" to remove it, and then click on "multiplication"
http://www.playkidsgames.com/games/mathfact/mathFact.htm
Here is a great website to practice integer rules....
On the right, make sure to click number of problems you want to try, then click addition, subtraction, multiplication, and division. BE SURE TO CLICK NEGATIVES & Parentheses
http://www.thatquiz.org/tq-1/math/arithmetic