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.

  • A line of eight dominoes standing on their ends.
    problem

    Eight Dominoes

    Age
    7 to 16
    Challenge level
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    Using the 8 dominoes, can you make a square where each of the columns and rows adds up to 8?

  • Two and Two
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    Two and Two

    Age
    7 to 16
    Challenge level
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    How many solutions can you find to this sum? Each of the different letters stands for a different number.

  • Cayley
    problem

    Cayley

    Age
    11 to 14
    Challenge level
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    The letters in the following addition sum represent the digits 1 ... 9. If A=3 and D=2, what number is represented by "CAYLEY"?

  • American Billions
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    American Billions

    Age
    11 to 14
    Challenge level
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    Play the divisibility game to create numbers in which the first two digits make a number divisible by 2, the first three digits make a number divisible by 3...

  • A green frog.
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    Frogs

    Age
    11 to 14
    Challenge level
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    How many moves does it take to swap over some red and blue frogs? Do you have a method?

  • Reflecting Squarely
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    Reflecting Squarely

    Age
    11 to 14
    Challenge level
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    In how many ways can you fit all three pieces together to make shapes with line symmetry?

  • Cinema Problem
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    Cinema Problem

    Age
    11 to 14
    Challenge level
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    A cinema has 100 seats. How can ticket sales make £100 for these different combinations of ticket prices?

  • Shady Symmetry
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    Shady Symmetry

    Age
    11 to 14
    Challenge level
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    How many different symmetrical shapes can you make by shading triangles or squares?

  • Special Numbers
    problem
    Favourite

    Special Numbers

    Age
    11 to 14
    Challenge level
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    My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?

  • Consecutive Seven
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    Consecutive Seven

    Age
    11 to 14
    Challenge level
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    Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?

  • Odds and Evens
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    Odds and Evens

    Age
    11 to 14
    Challenge level
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    Are these games fair? How can you tell?

  • Substitution Cipher
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    Favourite

    Substitution Cipher

    Age
    11 to 14
    Challenge level
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    Find the frequency distribution for ordinary English, and use it to help you crack the code.

  • Fractions jigsaw
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    Favourite

    Fractions Jigsaw

    Age
    11 to 14
    Challenge level
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    A jigsaw where pieces only go together if the fractions are equivalent.

  • ACE, TWO, THREE...
    problem

    Ace, Two, Three...

    Age
    11 to 14
    Challenge level
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    Can you picture how to order the cards to reproduce Charlie's card trick for yourself?

  • Can they be equal?
    problem
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    Can They Be Equal?

    Age
    11 to 14
    Challenge level
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    Can you find rectangles where the value of the area is the same as the value of the perimeter?

  • Multiples Sudoku
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    Multiples Sudoku

    Age
    11 to 14
    Challenge level
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    Each clue in this Sudoku is the product of the two numbers in adjacent cells.

  • Sticky Numbers
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    Sticky Numbers

    Age
    11 to 14
    Challenge level
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    Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?

  • Sociable Cards
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    Sociable Cards

    Age
    11 to 14
    Challenge level
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    Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?

  • What numbers can we make?
    problem
    Favourite

    What Numbers Can We Make?

    Age
    11 to 14
    Challenge level
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    Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?

  • Olympic Records
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    Olympic Records

    Age
    11 to 14
    Challenge level
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    Can you deduce which Olympic athletics events are represented by the graphs?

  • Odds, Evens and More Evens
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    Odds, Evens and More Evens

    Age
    11 to 14
    Challenge level
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    Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions...

  • Magic Letters
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    Magic Letters

    Age
    11 to 14
    Challenge level
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    Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?

  • Olympic Measures
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    Olympic Measures

    Age
    11 to 14
    Challenge level
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    These Olympic quantities have been jumbled up! Can you put them back together again?

  • Cryptarithms
    problem
    Favourite

    Cryptarithms

    Age
    11 to 14
    Challenge level
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    Can you crack these cryptarithms?