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Teaching Mathematics: Foundations to Middle Years

Teaching Mathematics

Written by a group of highly respected and experienced teacher educators, the advice is based on current research and theories and, although written for pre-service teachers, there is much that will appeal to practising teachers.

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The missing square

Cut this triangle into pieces and reassemble it. 

Why is there a missing square?

 

You can download a template of the triangle.

 

Stuck? Look at the hypotenuse!

missing_square2