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Reasoning, Convincing and Proving - Short Problems

This is part of our collection of Short Problems.

You may also be interested in our longer problems on Reasoning, Convincing and Proving.

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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.