Do Barry Newell's 40 shapes challenge [http://billkerr2.blogspot.com/2009/08/40-maths-shapes-challenges.html]
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Do Barry Newell's 40 shapes challenge [http://billkerr2.blogspot.com/2009/08/40-maths-shapes-challenges.html] (The Turtle Confusion puzzles have been incorporated into a new activity (See [[Activities/Turtle Confusion|Turtle Confusion]]).