Games and Activities Extensions and Challenges
http://www.kidsites.com/sites-edu/math.htm http://www.brainbashers.com/
http://www.sumdog.com http://www.figurethis.org/challenges/toc.htm
http://www.coolmath-games.com/ http://www.2020tech.com/fruit/
http://www.coolmath4kids.com/ http://www.mathgoodies.com/students.html
http://www.funbrain.com/kidscenter.html http://www.planemath.com/
http://pbskids.org/cyberchase/math-games/ http://www.gamequarium.org/dir/Gamequarium/Brain
http://pbskids.org/cyberchase/cybersquad/ http://www.themathleague.com/
http://www.playkidsgames.com/ http://www.theproblemsite.com/
http://funschool.kaboose.com/ http://www.aplusclick.com/grade5.htm
http://www.mathblaster.com/
http://spikedmath.com/math-games/
http://www.aplusmath.com/
http://www.aaamath.com/
http://www.harcourtschool.com/menus/math_advantage.html
http://www.bbc.co.uk/schools/ks2bitesize/maths/
http://kids.aol.com/games/online-games/