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Tangles

A personal investigation of Conway's Rational Tangles. What were the interesting questions that needed to be asked, and where did they lead?

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Bryony's Triangle

Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?

Chocolate

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

How much chocolate is on the first table?
How many people would it have to be shared between?
So, how much chocolate would each person get if you went to the first table?
How about on the second table? ... third table?
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.