Here are some of the math links we are using during our Bridge Unit. Enjoy and tell me what you think. :)
http://www.arcademics.com/games/ratio-blaster/ratio-blaster.html
http://www.mathplayground.com/howto_ratios.html
http://www.learnalberta.ca/content/mesg/html/math6web/index.html?page=lessons&lesson=m6lessonshell03.swf
http://www.sheppardsoftware.com/mathgames/measurement/MeasurementGrams.htm