Year 9 Being collaborative

  • Some old-fashioned cinema tickets.
    problem
    Favourite

    Cinema Problem

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    A cinema has 100 seats. How can ticket sales make £100 for these different combinations of ticket prices?

  • How far does it move?
    problem
    Favourite

    How Far Does It Move?

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects the distance it travels at each stage.

  • Reflecting Lines
    problem
    Favourite

    Reflecting Lines

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Investigate what happens to the equations of different lines when you reflect them in one of the axes. Try to predict what will happen. Explain your findings.

  • Translating Lines
    problem
    Favourite

    Translating Lines

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.

  • What does random look like?
    problem
    Favourite

    What Does Random Look Like?

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Engage in a little mathematical detective work to see if you can spot the fakes.

  • Speeding up, slowing down
    problem
    Favourite

    Speeding Up, Slowing Down

    Age
    11 to 14
    Challenge level
    filled star filled star empty star

    Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects its speed at each stage.

  • The Tower of Hanoi - three wooden poles, with several coloured rings of decreasing sizes on the middle pole.
    problem
    Favourite

    Tower of Hanoi

    Age
    11 to 14
    Challenge level
    filled star filled star empty star

    The Tower of Hanoi is an ancient mathematical challenge. Working on the building blocks may help you to explain the patterns you notice.

  • Fill Me Up
    problem
    Favourite

    Fill Me Up

    Age
    11 to 14
    Challenge level
    filled star filled star empty star

    Can you sketch graphs to show how the height of water changes in different containers as they are filled?

  • What numbers can we make now?
    problem
    Favourite

    What Numbers Can We Make Now?

    Age
    11 to 14
    Challenge level
    filled star filled star empty star

    Imagine we have four bags containing numbers from a sequence. What numbers can we make now?

  • How Many Miles To Go?
    problem
    Favourite

    How Many Miles to Go?

    Age
    11 to 14
    Challenge level
    filled star filled star filled star

    How many more miles must the car travel before the numbers on the milometer and the trip meter contain the same digits in the same order?

  • Efficient cutting
    problem
    Favourite

    Efficient Cutting

    Age
    11 to 14
    Challenge level
    filled star filled star filled star

    Use a single sheet of A4 paper and make a cylinder having the greatest possible volume. The cylinder must be closed off by a circle at each end.

  • Up and across
    problem
    Favourite

    Up and Across

    Age
    11 to 14
    Challenge level
    filled star filled star filled star

    Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects its vertical and horizontal movement at each stage.

  • Diamond Collector
    game
    Favourite

    Diamond Collector

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

    Collect as many diamonds as you can by drawing three straight lines.

  • 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?

  • Product Sudoku
    problem
    Favourite

    Product Sudoku

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

    The clues for this Sudoku are the product of the numbers in adjacent squares.

  • Ben's Game
    problem
    Favourite

    Ben's Game

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

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

  • Generating Triples
    problem
    Favourite

    Generating Triples

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

    Sets of integers like 3, 4, 5 are called Pythagorean Triples, because they could be the lengths of the sides of a right-angled triangle. Can you find any more?