March 14 is Pi Day!

Pi Day

You can find some great Pi Day activities including a brilliant Sand Art video at

http://www.squidoo.com/PiDay

The book Pi in the Sky Hands on mathematical activities for teaching astronomy by Robert Pethoud is available from Hawker Brownlow Education

http://www.hbe.com.au/functions/Dialogs/ItemDetails_holder.asp?ItemId=2374

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