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Area and Perimeter

What can you say about these shapes? This problem challenges you to create shapes with different areas and perimeters.

Factor Track

Age 7 to 14
Challenge Level

You might try writing down all factors of the numbers in the green squares.
How will you know which routes you have tried?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.