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age 5-11 primary students
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age 16+ post 16

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Interactive environment

Four-layer Number Pyramid Interactivity

Age 11 to 14

Here is a Number Pyramid with four layers for you to explore.

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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.

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