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Number and algebra

  • The Number System and Place Value
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Probability and statistics

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Working mathematically

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Advanced mathematics

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For younger learners

  • Early Years Foundation Stage

Graphs and Networks

Graphs and Networks

These resources have been designed to give a gentle introduction to the world of graph theory and networks. You don't need any prior knowledge, so jump in and have a play, and see what theorems you can discover!

Who's Who? 
Age 11 to 16
Challenge Level Yellow starYellow star

Can you solve the clues to find out who's who on the friendship graph?

Connecting the Utilities 
Age 11 to 16
Challenge Level Yellow star

Can you find a way to connect each house to the utilities without any pipes crossing?

Can You Traverse It? 
Age 14 to 18
Challenge Level Yellow star

How can you decide if a graph is traversable?

Euler's Formula 
Age 16 to 18

Some simple ideas about graph theory with a discussion of a proof of Euler's formula relating the numbers of vertces, edges and faces of a graph.

Related

  • Decision Resources
  • Mathematical Introductions

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Making Sense of Statistics

This collection of problems has been put together to help you to explore and understand important ideas in statistics.

The Value of Working Systematically

These problems are best solved using systematic approaches.

Integration as Area

These problems invite you to explore integration as area, and use area integrals to solve problems.

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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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