Just Jottings: Age 14-16

This collection of tasks is part of the activities for 14-16 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 11-14 year olds, and Just Jottings for 16-18 year olds.

  • Two and Two
    problem
    Favourite

    Two and Two

    Age
    7 to 16
    Challenge level

    How many solutions can you find to this sum? Each of the different letters stands for a different number.

  • Wipeout
    problem
    Favourite

    Wipeout

    Age
    11 to 16
    Challenge level

    Can you do a little mathematical detective work to figure out which number has been wiped out?

  • Ben's Game
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    Favourite

    Ben's Game

    Age
    11 to 16
    Challenge level

    Ben, Jack and Emma passed counters to each other and ended with the same number of counters. How many did they start with?

  • Curvy areas
    problem
    Favourite

    Curvy Areas

    Age
    14 to 16
    Challenge level

    Have a go at creating these images based on circles. What do you notice about the areas of the different sections?

  • Slick Summing
    problem
    Favourite

    Slick Summing

    Age
    14 to 16
    Challenge level

    Watch the video to see how Charlie works out the sum. Can you adapt his method?

  • Small pepper seedlings in orange pots.
    problem
    Favourite

    Negatively Triangular

    Age
    14 to 16
    Challenge level

    How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?

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