Here are some fun games for you to practice your times tables and factor skills with:
http://www.mad4maths.com/8_x_multiplication_table_math_game/
http://www.transum.org/Software/Game/Connect4/
http://www.mad4maths.com/4_x_multiplication_table_math_game/
http://www.topmarks.co.uk/Flash.aspx?a=activity02