Counting

  • Placeholder: several colourful numbers
    article

    Binomial coefficients

    An introduction to the binomial coefficient, and exploration of some of the formulae it satisfies.
  • Snail One Hundred
    game
    Favourite

    Snail one hundred

    Age
    5 to 7
    Challenge level
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    In this game, you throw a dice and move counters along the snail's body and in a spiral around the snail's shell. It is about understanding tens and ones.

  • How would we count?
    problem

    How would we count?

    Age
    5 to 11
    Challenge level
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    An activity centred around observations of dots and how we visualise number arrangement patterns.

  • Some Secret Codes
    problem

    Some secret codes

    Age
    7 to 11
    Challenge level
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    Can you follow the rule to decode the messages?
  • All Change
    problem

    All change

    Age
    5 to 7
    Challenge level
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    There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?

  • Jumping squares
    problem

    Jumping squares

    Age
    5 to 7
    Challenge level
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    In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.
  • Pairs of legs
    problem

    Pairs of legs

    Age
    5 to 7
    Challenge level
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    How many legs do each of these creatures have? How many pairs is that?
  • Incey Wincey Spider
    problem

    Incey Wincey Spider

    Age
    5 to 7
    Challenge level
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    You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?

  • Dotty Six
    problem

    Dotty six

    Age
    5 to 11
    Challenge level
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    Dotty Six is a simple dice game that you can adapt in many ways.

  • Count The Digits
    problem

    Count the digits

    Age
    5 to 11
    Challenge level
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    In this investigation we are going to count the number of 1s, 2s, 3s etc in numbers. Can you predict what will happen?