Logic

There are 16 NRICH Mathematical resources connected to Logic
Circular circuitry
problem
Favourite

Circular circuitry

Age
16 to 18
Challenge level
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What will happen when you switch on these circular circuits?
Adding machine
problem

Adding machine

Age
16 to 18
Challenge level
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Can you set the logic gates so that this machine can decide how many bulbs have been switched on?
Tom learns to cook
problem

Tom learns to cook

Age
7 to 11
Challenge level
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If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.
The Jabber-Notty
problem

The Jabber-Notty

Age
16 to 18
Challenge level
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Can you invert this confusing sentence from Lewis Carrol?

Coins
problem

Coins

Age
11 to 14
Challenge level
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A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?
flow chart
problem

Flow chart

Age
11 to 14
Challenge level
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The flow chart requires two numbers, M and N. Select several values for M and try to establish what the flow chart does.
Procedure solver
problem

Procedure solver

Age
16 to 18
Challenge level
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Can you think like a computer and work out what this flow diagram does?
Not another NAND!
problem

Not another NAND!

Age
14 to 18
Challenge level
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Prove that you can make any type of logic gate using just NAND gates.

NOTty logic
problem

NOTty logic

Age
16 to 18
Challenge level
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Have a go at being mathematically negative, by negating these statements.