Stage: 2 Short Challenge Level: 
How will you keep track of which routes you have tried?
It might be useful to print off this sheetof the path to draw the routes on.
It might be useful to print off this sheetof the path to draw the routes on.
Investigations. Generalising. Working systematically. Mathematical modelling. Combinations. Visualising. Networks/Graph Theory. Sets of shapes. Trial and improvement. Route inspection problems.
Published March 1999.
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