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Do Barry Newell's 40 shapes challenge [http://billkerr2.blogspot.com/2009/08/40-maths-shapes-challenges.html]
 
Do Barry Newell's 40 shapes challenge [http://billkerr2.blogspot.com/2009/08/40-maths-shapes-challenges.html]
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[[File:Newellchallenges.jpg|600px]]
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[[File:Newellchallenges.jpg|550px]]
     
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