The following links may be helpful for homework or extra practise of concepts.
http://www.bbc.co.uk/bitesize/ks2/ English, Maths and Science games and resources
http://www.crickweb.co.uk/Key-Stage-2.html Resources and games for various subjects
http://primaryhomeworkhelp.co.uk/maths/ Maths games
http://www.compare4kids.co.uk/maths.php Maths games
The following link has a number of very useful resources about staying safe and happy online: