http://http//www.visualfractions.com/identify.htm
http://http//www.bbc.co.uk/schools/ks2bitesize/maths/number/fractions/play.shtml
http://http//www.aaamath.com/fra.html
http://http//www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/fractions/index.htm