Fraction Games!

http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/fractions/index.htm
http://www.sheppardsoftware.com/mathgames/fractions/memory_equivalent1.htm

http://mrnussbaum.com/pizza_game/

http://www.toonuniversity.com/flash.asp?err=198

http://www.mathplayground.com/fractions_fractionof.html