Probability

  • Domino Pick
    problem
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    Domino Pick

    Age
    5 to 7
    Challenge level
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    Are these domino games fair? Can you explain why or why not?
  • Two and One
    problem

    Two and One

    Age
    5 to 7
    Challenge level
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    Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?
  • problem
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    In the Playground

    Age
    5 to 11
    Challenge level
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    What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?

  • Tricky Track
    problem

    Tricky Track

    Age
    7 to 11
    Challenge level
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    In this game you throw two dice and find their total, then move the appropriate counter to the right. Which counter reaches the purple box first?

  • You Never Get a Six
    problem

    You Never Get a Six

    Age
    7 to 11
    Challenge level
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    Charlie thinks that a six comes up less often than the other numbers on the dice. Have a look at the results of the test his class did to see if he was right.

  • Odds or Sixes?
    problem
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    Odds or Sixes?

    Age
    7 to 11
    Challenge level
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    Play this dice game yourself. How could you make it fair?
  • Three Spinners
    problem

    Three Spinners

    Age
    7 to 11
    Challenge level
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    These red, yellow and blue spinners were each spun 45 times in total. Can you work out which numbers are on each spinner?
  • Probably...
    problem

    Probably...

    Age
    7 to 11
    Challenge level
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    You'll need to work in a group for this problem. The idea is to decide, as a group, whether you agree or disagree with each statement.

  • problem
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    The Car That Passes

    Age
    7 to 11
    Challenge level
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    What statements can you make about the car that passes the school gates at 11am on Monday? How will you come up with statements and test your ideas?