This website will guide you to activities at your child's math level.
http://aaamath.com/B/grade3.htm
http://www.funbrain.com/math/
http://www.multiplication.com/students.htm
http://www.kidsbank.com/index_2.asp
http://www.mathfactcafe.com
http://www.prongo.com/games/
http://www.rainforestmaths.com/
username and password required
http://www.coolmath4kids.com/
http:/funschool.kaboose.com
http://www.internet4classrooms.com/math_elem_index.htm
http://www.kidport.com
http://www.abc.net.au/countusin/default.htm
http://www.apples4theteacher.com/math.html
http://www.bbc.co.uk/skillswise/
http://oswego.org/ocsd-web/games/mathmagician/maths1.html