http://nrich.maths.org A range of maths games, problems and articles on all areas of maths. Parents of Key Stage 1 children should select ‘stage 1’ and parents of Key Stage 2 children should select ‘stage 2’.
FURTHER USEFUL WEBSITES FOR MATHS
http://amathsdictionaryforkids.com
http://www.bbc.co.uk/bitesize/ks1/maths/
http://www.ictgames.com/resources.html
http://www.ilovemathsgames.com/