Being collaborative

  • The time is ...
    problem
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    The Time Is ...

    Age
    7 to 11
    Challenge level
    2 out of 3

    Can you put these mixed-up times in order? You could arrange them in a circle.

  • problem
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    How Much Did It Cost?

    Age
    7 to 11
    Challenge level
    2 out of 3

    Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.

  • Through the Window
    problem
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    Through the Window

    Age
    7 to 11
    Challenge level
    2 out of 3

    My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?

  • Six Numbered Cubes
    problem
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    Six Numbered Cubes

    Age
    7 to 11
    Challenge level
    2 out of 3

    This task combines spatial awareness with addition and multiplication.

  • Different Deductions
    problem
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    Different Deductions

    Age
    7 to 11
    Challenge level
    2 out of 3

    There are lots of different methods to find out what the shapes are worth - how many can you find?

  • Seeing Rhombuses
    problem
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    Seeing Rhombuses

    Age
    7 to 11
    Challenge level
    2 out of 3

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.

  • Quadrilaterals
    problem
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    Quadrilaterals

    Age
    7 to 11
    Challenge level
    3 out of 3

    How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?

  • problem
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    Watch the Clock

    Age
    7 to 11
    Challenge level
    3 out of 3

    During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?

  • Fitted
    problem
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    Fitted

    Age
    7 to 11
    Challenge level
    3 out of 3

    Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?

  • 5 on the clock
    problem
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    5 on the Clock

    Age
    7 to 11
    Challenge level
    3 out of 3

    On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?