This page provides a link to educational websites that are both used in schools and by tutors that may be useful to use in the home.
Some sites are free to use while others require a purchased account.
http://www.math-play.com/ - free math games for all year levels
http://www.math-aids.com/ - free math worksheets on all topcs
http://www.spellingcity.com/- some free spelling activities ad games
http://www.bbc.co.uk/bitesize/ - free activities for all subjects