Probability

  • The hair colour game
    problem

    The hair colour game

    Age
    7 to 11
    Challenge level
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    The class were playing a maths game using interlocking cubes. Can you help them record what happened?
  • The Derren Brown coin flipping scam
    problem

    The Derren Brown coin flipping scam

    Age
    16 to 18
    Challenge level
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    Calculate probabilities associated with the Derren Brown coin scam in which he flipped 10 heads in a row.

  • Dicey Dice
    problem

    Dicey dice

    Age
    16 to 18
    Challenge level
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    Invent a set of three dice where each one is better than one of the others?
  • Tying the Rope
    problem

    Tying the rope

    Age
    14 to 16
    Challenge level
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    What is the probability that two pieces of rope are tied together, when Pat ties two loose ends together?
  • Perfect Eclipse
    problem

    Perfect eclipse

    Age
    14 to 16
    Challenge level
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    Use trigonometry to determine whether solar eclipses on earth can be perfect.
  • Is your DNA unique?
    problem

    Is your DNA unique?

    Age
    16 to 18
    Challenge level
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    Use combinatoric probabilities to work out the probability that you are genetically unique!

  • X-Dice
    problem

    X-dice

    Age
    16 to 18
    Challenge level
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    Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?
  • Molecular sequencer
    problem

    Molecular sequencer

    Age
    14 to 18
    Challenge level
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    Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
  • Heavy hydrocarbons
    problem

    Heavy hydrocarbons

    Age
    14 to 18
    Challenge level
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    Explore the distribution of molecular masses for various hydrocarbons