Great Literacy Site Filled with great links http://hillside.needham.k12.ma.us/cyberventues/literacy/grade_3_literacy/3_literacy.htm#sentence
Bite Size - a great set of activities http://www.bbc.co.uk/schools/ks2bitesize/english/
BBC- Starship English http://www.bbc.co.uk/schools/starship/english/index.shtml
Internet 4 Classroom - Math and Language Skills http://www.internet4classrooms.com/skills_3rd_original.htm
Limericks for Children http://www.brownielocks.com/kidlimericks.html