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The Fastest Cyclist

Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?

Gutter

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

A plastic gutter is designed to catch water at the edge of a roof.

gutter cross-sections
Manufacturers need to minimise the amount of material used to make their product. What is the best cross-section for a gutter?
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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.