From: raffaele <rvalente@iol.it>
To: Teacher2Teacher Public Discussion
Date: 2007103008:42:48
Subject: Re: Re: Estimation: Order of Magnitude, Compensation

I'm sorry 
I answered to the wrong post in the wrong place

Estimation is a hard subject even to adult people
You can look for the amusing book by
John Allen Paulos
or have a look to this site
http://www.innumeracy.com/


hope this helps

bye
Raffaele

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