Time

  • problem
    Favourite

    Wonky Watches

    Age
    7 to 11
    Challenge level
    2 out of 3

    Mandeep's watch loses two minutes every hour. Adam's watch gains one minute every hour. Can you work out what time they arrived at the airport?

  • Two Clocks
    problem
    Favourite

    Two Clocks

    Age
    7 to 11
    Challenge level
    2 out of 3

    These clocks have only one hand, but can you work out what time they are showing from the information?

  • The time is ...
    problem
    Favourite

    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.

  • Now and Then
    problem
    Favourite

    Now and Then

    Age
    7 to 11
    Challenge level
    2 out of 3

    Have a look at the results for some events at past Olympic Games. Can you use these to predict the results at the next Olympics?

  • problem
    Favourite

    Take Your Dog for a Walk

    Age
    7 to 11
    Challenge level
    2 out of 3

    Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?

  • 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?

  • 5 on the clock
    problem
    Favourite

    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?

  • Rule of Three
    problem
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    Rule of Three

    Age
    11 to 14
    Challenge level
    1 out of 3

    If it takes four men one day to build a wall, how long does it take 60,000 men to build a similar wall?

  • Place your orders
    problem
    Favourite

    Place Your Orders

    Age
    11 to 14
    Challenge level
    1 out of 3

    Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?

  • Buses
    problem
    Favourite

    Buses

    Age
    11 to 14
    Challenge level
    2 out of 3

    A bus route has a total duration of 40 minutes. Every 10 minutes, two buses set out, one from each end. How many buses will one bus meet on its way from one end to the other end?