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Procedure Solver

Can you think like a computer and work out what this flow diagram does?

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Circular Circuitry

What will happen when you switch on these circular circuits?

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Not Another NAND!

Prove that you can make any type of logic gate using just NAND gates.

Adding Machine

Stage: 5 Challenge Level: Challenge Level:2 Challenge Level:2

Work backwards or use a truth table.
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.