Time

  • A green clock with yellow and white hands.
    problem

    Clock Hands

    Age
    7 to 11
    Challenge level

    This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.

  • Palindromic Date
    problem

    Palindromic Date

    Age
    7 to 11
    Challenge level

    What is the date in February 2002 where the 8 digits are palindromic if the date is written in the British way?

  • Practice Run
    problem

    Practice Run

    Age
    7 to 11
    Challenge level
    Chandrika was practising a long distance run. Can you work out how long the race was from the information?
  • The hare and the tortoise
    problem

    The Hare and the Tortoise

    Age
    7 to 11
    Challenge level

    In this version of the story of the hare and the tortoise, the race is 10 kilometres long. Can you work out how long the hare sleeps for using the information given?

  • Walk and Ride
    problem

    Walk and Ride

    Age
    7 to 14
    Challenge level

    How far have these students walked by the time the teacher's car reaches them after their bus broke down?

  • Flying Down Under
    problem

    Flying Down Under

    Age
    11 to 14
    Challenge level

    Fred flew to Melbourne, Australia. What time was it in Melbourne when Fred's flight arrived?

  • Digital Times
    problem

    Digital Times

    Age
    11 to 14
    Challenge level

    Which segment on a digital clock is lit most each day? Which segment is lit least? Does it make any difference if it is set to 12 hours or 24 hours?

  • Three of a Kind
    problem

    Three of a Kind

    Age
    11 to 14
    Challenge level

    How long is it between 5:55 and the next time all three digits on a digital clock are the same?

  • Small pepper seedlings in orange pots.
    problem

    Street Lamps

    Age
    11 to 14
    Challenge level

    Walking up a steep hill, I pass 10 equally spaced street lamps. How long do I take to walk from the first lamp to the last?

  • Minutes In between
    problem

    Minutes in Between

    Age
    11 to 14
    Challenge level

    How many minutes are there between 11:41 and 14:02?

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