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Number and algebra

  • The Number System and Place Value
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Working mathematically

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Advanced mathematics

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For younger learners

  • Early Years Foundation Stage

Exploring and Noticing Structure - Advanced

Vector Journeys

Age 14 to 18
Challenge Level Yellow star

Charlie likes to go for walks around a square park, while Alison likes to cut across diagonally. Can you find relationships between the vectors they walk along?

Road Maker

Age 14 to 18
Challenge Level Yellow star

Which of these roads will satisfy a Munchkin builder?

Simply Graphs

Age 16 to 18
Challenge Level Yellow star

Look for the common features in these graphs. Which graphs belong together?

Impossible Triangles?

Age 16 to 18
Challenge Level Yellow starYellow star

Which of these triangular jigsaws are impossible to finish?

Polite Numbers

Age 16 to 18
Challenge Level Yellow starYellow star

A polite number can be written as the sum of two or more consecutive positive integers, for example 8+9+10=27 is a polite number. Can you find some more polite, and impolite, numbers?

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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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