measurement

Try some of these; A range of different activities. http://www.onlinemathlearning.com/measurement-games.html

http://jmathpage.com/JIMSMeasurementpage.html

http://www.topmarks.co.uk/Flash.aspx?b=maths/measures whiteboard activity

Converting measurements using different units. http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/metric6.shtml