Counting

  • problem
    Favourite

    Birthday Cakes

    Age
    5 to 7
    Challenge level
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    Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?

  • Pairs of legs
    problem
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    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?

  • Jumping squares
    problem
    Favourite

    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.

  • Seven coloured discs.
    problem
    Favourite

    Nim-7

    Age
    5 to 11
    Challenge level
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    Can you work out how to win this game of Nim? Does it matter if you go first or second?

  • swimming pool
    problem
    Favourite

    Swimming Pool

    Age
    5 to 11
    Challenge level
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    In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?

  • Ip Dip
    problem
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    Ip Dip

    Age
    5 to 11
    Challenge level
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    "Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

  • Sitting round the party tables
    problem
    Favourite

    Sitting Round the Party Tables

    Age
    5 to 11
    Challenge level
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    Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.

  • Dotty Six
    problem
    Favourite

    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.

  • How would we count?
    problem
    Favourite

    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.

  • How Many?
    problem
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    How Many?

    Age
    5 to 11
    Challenge level
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    Have a look at these photos of different fruit. How many do you see? How did you count?