A+Very+Cool+Maths+Page



media type="custom" key="6613241"  is a really cool site with heaps of maths information and activities. The link below takes you straight to a page about 'metric' numbers - did you know that a quintillion is written 1,000,000,000,000,000,000? It has a prefix of 'exa' and the symbol for it is 'E'... or
 * quintillion || 1,000,000,000,000,000,000 || exa || E ||

Using Metric Numbers with "Meters"
Here is an illustration of sizes, from the very small (a Quark) to the very large (the known Universe). The sizes are **in meters** using metric numbers (just add the word "meter" after them, so you get "millimeter" etc):



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Have a look around it - you'll learn heaps!