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  • Early Years Foundation Stage

Going Round in Circles

Age 11 to 14
Challenge Level Yellow star
Secondary curriculum
  • Problem
  • Getting Started
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You might find it helpful to start by taking a look at the Level 1 and 2 problems in Shifting Times Tables.

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Days and Dates

Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

Differences

Can you guarantee that, for any three numbers you choose, the product of their differences will always be an even number?

Two Much

Explain why the arithmetic sequence 1, 14, 27, 40, ... contains many terms of the form 222...2 where only the digit 2 appears.

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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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