Practice word problems with multiplication and division: http://www.homeschoolmath.net/teaching/md/understanding_word_problems.php
Game with interactive clues:
http://teacher.scholastic.com/maven/index.htm
Student Games:
http://members.learningplanet.com/act/mc/freemenu.asp
Can also use this as a class game(baseball)-http://www.mathplayground.com/gsmbegin.html