Here are some links that can help you

Math:

• http://www.math.com/
• http://www.mathsonline.com.au/
• http://www.mathletics.com/

English:

• http://www.indianchild.com/english_grammar_homework_help_sites.htm
• http://english-zone.com/index.php
• http://dictionary.reference.com/

Science:

• http://www.bbc.co.uk/schools/ks3bitesize/science/
• http://www.brainpop.com/
• http://www.kids.gov/

French:

• http://bonpatron.com/
• http://www.laits.utexas.edu/fi/vp/
• http://www.quia.com/shared/french/