Just Jottings: Age 16-18

This collection of tasks is part of the activities for 16-18 year olds section of the Maths at Home feature. All you need to get started is a pencil and paper! The stars represent the challenge level, with three stars indicating the most challenging activities. 

You may also wish to explore Just Jottings for 14-16 year olds.

  • Why 24?
    problem
    Favourite

    Why 24?

    Age
    14 to 16
    Challenge level

    Take any prime number greater than 3 , square it and subtract one. Working on the building blocks will help you to explain what is special about your results.

  • Dating made Easier
    problem
    Favourite

    Dating Made Easier

    Age
    14 to 16
    Challenge level

    If a sum invested gains 10% each year how long before it has doubled its value?

  • Partly Circles
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    Favourite

    Partly Circles

    Age
    14 to 16
    Challenge level

    What is the same and what is different about these circle questions? What connections can you make?

  • Root hunter
    problem
    Favourite

    Root Hunter

    Age
    16 to 18
    Challenge level

    In this short problem, try to find the location of the roots of some unusual functions by finding where they change sign.

  • Curved square
    problem
    Favourite

    Curved Square

    Age
    16 to 18
    Challenge level

    Can you find the area of the central part of this shape? Can you do it in more than one way?

  • Thinking Mathematically - Short Problems
    problem

    Quick Sum

    Age
    16 to 18
    Challenge level

    Is this surd sum exactly 3?

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