Working systematically

  • It's all about 64
    problem

    It's all about 64

    Age
    7 to 11
    Challenge level
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    Write the numbers up to 64 in an interesting way so that the shape they make at the end is interesting, different, more exciting ... than just a square.
  • Ice Cream
    problem

    Ice cream

    Age
    7 to 11
    Challenge level
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    You cannot choose a selection of ice cream flavours that includes totally what someone has already chosen. Have a go and find all the different ways in which seven children can have ice cream.

  • It Figures
    problem

    It figures

    Age
    7 to 11
    Challenge level
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    Suppose we allow ourselves to use three numbers less than 10 and multiply them together. How many different products can you find? How do you know you've got them all?
  • Room Doubling
    problem

    Room doubling

    Age
    7 to 11
    Challenge level
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    Investigate the different ways you could split up these rooms so that you have double the number.
  • Train Carriages
    problem

    Train carriages

    Age
    5 to 11
    Challenge level
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    Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?
  • Fencing Lambs
    problem

    Fencing lambs

    Age
    7 to 11
    Challenge level
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    A thoughtful shepherd used bales of straw to protect the area around his lambs. Explore how you can arrange the bales.
  • New House
    problem

    New house

    Age
    7 to 11
    Challenge level
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    In this investigation, you must try to make houses using cubes. If the base must not spill over 4 squares and you have 7 cubes which stand for 7 rooms, what different designs can you come up with?
  • Dice and Spinner Numbers
    problem

    Dice and spinner numbers

    Age
    7 to 11
    Challenge level
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    If you had any number of ordinary dice, what are the possible ways of making their totals 6? What would the product of the dice be each time?
  • Making Squares
    problem

    Making squares

    Age
    7 to 11
    Challenge level
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    Investigate all the different squares you can make on this 5 by 5 grid by making your starting side go from the bottom left hand point. Can you find out the areas of all these squares?
  • Street Party
    problem

    Street party

    Age
    7 to 11
    Challenge level
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    The challenge here is to find as many routes as you can for a fence to go so that this town is divided up into two halves, each with 8 blocks.