http://www.bbc.co.uk/schools/

http://www.bbc.co.uk/schools/4_11/
Ages 4-11 subjects and games

Barnaby's starting page -- all links are good
http://www.bbc.co.uk/schools/barnabybear/

http://www.bbc.co.uk/education/dynamo/den/index.shtml
Dynamazing Games -- time, and other games -- fun (money snap game -- level one is good, Level 2 and 3 is in English money not American)
(Who's spooking who?  is a great Halloween story for the kids to read)

http://www.mhschool.com/
Macmillan/McGraw-Hill Website (textbook free stuff in the student's section)   Great site -- not as animated as the BBC one though

http://www.learningplanet.com/index.asp
Reading activities --

http://members.learningplanet.com/directory/detail.asp?contentid=410
Time -- Clock game -- free version