Logic

  • crossing the bridge
    problem
    Favourite

    Crossing the Bridge

    Age
    11 to 18
    Challenge level

    Four friends must cross a bridge. How can they all cross it in just 17 minutes?

  • Circular circuitry
    problem
    Favourite

    Circular Circuitry

    Age
    16 to 18
    Challenge level
    What will happen when you switch on these circular circuits?
  • Tom learns to cook
    problem

    Tom Learns to Cook

    Age
    7 to 11
    Challenge level
    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.
  • Colouring curves game
    game

    Colouring Curves Game

    Age
    7 to 14
    Challenge level

    In this game, try not to colour two adjacent regions the same colour. Can you work out a strategy?

  • flow chart
    problem

    Flow Chart

    Age
    11 to 14
    Challenge level

    The flow chart requires two numbers, M and N. Select several values for M and try to establish what the flow chart does.

  • Coins
    problem

    Coins

    Age
    11 to 14
    Challenge level

    A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?

  • Not another NAND!
    problem

    Not Another NAND!

    Age
    14 to 18
    Challenge level

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

  • Procedure solver
    problem

    Procedure Solver

    Age
    16 to 18
    Challenge level

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

  • NOTty logic
    problem

    NOTty Logic

    Age
    16 to 18
    Challenge level

    Have a go at being mathematically negative, by negating these statements.

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