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Counting Binary Ops

Age 14 to 16
Challenge Level Yellow starYellow star
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The underlying structure of this problem is very similar to Walkabout. The teachers' notes to Walkabout suggest a possible approach which would work here too.

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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.

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