http://www.schoolofthinking.org/2009/from-black-to-grey-4/ Escape - Search - Think Fri, 12 Mar 2010 12:06:34 +1100 http://wordpress.org/?v=2.8.4 hourly 1 http://www.schoolofthinking.org/2009/from-black-to-grey-4/#comment-73112 Adele T Thu, 05 Nov 2009 17:28:13 +0000 http://www.schoolofthinking.org/?p=1316#comment-73112 An amazing lesson!! I copied it out and gave it to many students as well as friends. I am over 50 now and agree wholeheartedly with the grey hat and intend on buying one for myself. Thanks for that. An amazing lesson!! I copied it out and gave it to many students as well as friends. I am over 50 now and agree wholeheartedly with the grey hat and intend on buying one for myself. Thanks for that.

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