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What's Happening?

Shapes are added to other shapes. Can you see what is happening? What is the rule?

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Cracking Codes

Jenny Murray describes how she developed her interest in making and breaking codes.

What Was in the Box?

Stage: 1 Challenge Level: Challenge Level:1

Remember, each of the four numbers that goes in has the SAME number added by the big box.

 

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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.