KS3 Maths Club Activities

These hands-on activities are ideal for students aged 11-14 to use in maths clubs and whole-school maths events.

  • Domino tetrads
    problem

    Domino Tetrads

    Age
    11 to 14
    Challenge level
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    Is it possible to use all 28 dominoes arranging them in squares of four? What patterns can you see in the solution(s)?

  • Cuboids
    problem
    Favourite

    Cuboids

    Age
    11 to 14
    Challenge level
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    Can you find a cuboid that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?

  • Which solids can we make?
    problem
    Favourite

    Which Solids Can We Make?

    Age
    11 to 14
    Challenge level
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    Interior angles can help us to work out which polygons will tessellate. Can we use similar ideas to predict which polygons combine to create semi-regular solids?

  • Areas on a grid
    problem

    Areas on a Grid

    Age
    11 to 16

    Take a look at the video showing areas of different shapes on dotty grids...

  • Are we nearly there?
    problem
    Favourite

    Are We Nearly There?

    Age
    11 to 16

    Can you describe the route followed by the arrows?

  • Westminster Bridge at sunset with pedestrians and a red bus.
    problem

    Getting Round the City

    Age
    11 to 16

    In a city with a grid system of roads, how do you get from A to B?

  • What's it worth?
    problem
    Favourite

    What's It Worth?

    Age
    11 to 16
    Challenge level
    filled star empty star empty star

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

  • Square It
    problem
    Favourite

    Square It

    Age
    11 to 16
    Challenge level
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    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 square.

  • Ten colourful lolly sticks in a line.
    problem
    Favourite

    Take Ten Sticks

    Age
    11 to 16
    Challenge level
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    Take ten sticks in heaps any way you like. Make a new heap using one from each of the heaps. By repeating that process could the arrangement 7 - 1 - 1 - 1 ever turn up, except by starting with it?

  • Charlie's delightful machine
    problem
    Favourite

    Charlie's Delightful Machine

    Age
    11 to 16
    Challenge level
    filled star empty star empty star

    Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

  • problem
    Favourite

    Marbles in a Box

    Age
    11 to 16
    Challenge level
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    How many winning lines can you make in a three-dimensional version of noughts and crosses?

  • Take Three From Five
    problem
    Favourite

    Take Three From Five

    Age
    11 to 16
    Challenge level
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    Caroline and James pick sets of five numbers. Charlie tries to find three that add together to make a multiple of three. Can they stop him?

  • Tourism
    problem
    Favourite

    Tourism

    Age
    11 to 16
    Challenge level
    filled star filled star empty star

    If you can copy a network without lifting your pen off the paper and without drawing any line twice, then it is traversable. Decide which of these diagrams are traversable.

  • Product Sudoku
    problem
    Favourite

    Product Sudoku

    Age
    11 to 16
    Challenge level
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    The clues for this Sudoku are the product of the numbers in adjacent squares.

  • A Connect Four game with red and yellow counters placed.
    problem
    Favourite

    Connect Three

    Age
    11 to 16
    Challenge level
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    In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

  • Who's who?
    problem

    Who's Who?

    Age
    11 to 16
    Challenge level
    filled star filled star empty star

    Can you solve the clues to find out who's who on the friendship graph?

  • Wooden cubes arranged in rows of one, three and five.
    game

    One, Three, Five, Seven

    Age
    11 to 16
    Challenge level
    filled star filled star filled star

    A game for 2 players. Set out 16 counters in rows of 1,3,5 and 7. Players take turns to remove any number of counters from a row. The player left with the last counter looses.

  • Times right
    problem

    Times Right

    Age
    11 to 16
    Challenge level
    filled star filled star filled star

    Using the digits 1, 2, 3, 4, 5, 6, 7 and 8, mulitply a two two digit numbers are multiplied to give a four digit number, so that the expression is correct. How many different solutions can you find?

  • Nine Colours
    problem
    Favourite

    Nine Colours

    Age
    11 to 16
    Challenge level
    filled star filled star filled star

    Can you use small coloured cubes to make a 3 by 3 by 3 cube so that each face of the bigger cube contains one of each colour?

  • Last Biscuit
    game

    Last Biscuit

    Age
    11 to 18
    Challenge level
    filled star filled star empty star

    Can you find a strategy that ensures you get to take the last biscuit in this game?

  • crossing the bridge
    problem
    Favourite

    Crossing the Bridge

    Age
    11 to 18
    Challenge level
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    Four friends must cross a bridge. How can they all cross it in just 17 minutes?

  • Four coloured wooden cubes balanced precariously to make a tower.
    problem

    Instant Insanity

    Age
    11 to 18
    Challenge level
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    Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated.