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Something in Common

Stage: 4 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

This idea uses the work on "tilted squares" in September 2004 but with a twist.

Vector dot product is useful but certainly not essential..

Extending the idea to what squares are and are not possible gives lots of opportunities for students who get through the 2D version very easily but at the same time develops a feel for 3D coordinate patterns.