Toughnuts - Try These Unsolved Problems

Make Those Braceletslive

Age 7 to 11
Challenge Level

Find all the ways of arranging the beads on this bracelet, using just two colours.

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.