useful weblinks

English
abcteach.com/free/g/grammar_colnoun.pdf
http://dictionary.reference.com/
http://www.edunet.com/english/grammar/index.html

Math
http://www.mathcats.com/

Science
http://www.sciberdiver.edu.sg/
http://www.brainpop.com/science/
http://www.enchantedlearning.com/Home.html
http://www.brainpop.com/science/

Others
http://www.fmps.moe.edu.sg/ (sch calendar, announcements etc.)
http://www.fmps.sg/ (cca module)
www.lead.com.sg