Stage: 3 and 4 Challenge Level: 
Just four procedures were systematically used to produce the design below.
How would you set about the task of deciding what to do? Can you use fewer procedures? How would you replicate this design?
How systematic were you in your endeavours?
You can download some excellent free LOGO software from the internet at http://www.softronix.com/logo.ht ml .Logo. Games. Investigations. Recursion. Practical Activity. Working systematically. Networks/Graph Theory. Factors and multiples. Simultaneous equations. Squares.
Published October 2003.
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