The BBC KS1 Bitesize website contains a wonderful variety of activities and games to support the learning of English, Maths and Science throughout Key Stage 1.
The BBC's KS2 Bitesize website contains an incredible selection of learning activities to support English, Maths and Science.
Maths Playground includes lots of wonderful games to support the learning of maths.
Topmarks Maths has lots of varied maths games to enjot whilst practicing key skills.
KS2 Bitesize Reading
This page from the KS2 BBC Bitesize website has some great activities to practice key reading skills.
Primary Homework Help
Primary Homework Help contains links to a huge number of websites that could be a great help with all sorts of homework.