Visualising and representing

  • Curve Hunter
    problem

    Curve hunter

    Age
    14 to 18
    Challenge level
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    This problem challenges you to sketch curves with different properties.

  • Curvy Equation
    problem

    Curvy equation

    Age
    16 to 18
    Challenge level
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    This problem asks you to use your curve sketching knowledge to find all the solutions to an equation.

  • Subtraction Slip
    problem

    Subtraction slip

    Age
    5 to 7
    Challenge level
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    Can you spot the mistake in this video? How would you work out the answer to this calculation?

  • Picture Your Method
    problem

    Picture your method

    Age
    7 to 11
    Challenge level
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    Can you match these calculation methods to their visual representations?
  • Tangram Browser
    interactivity

    Tangram browser

    Age
    7 to 11
    Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture?
  • Triangle in a Trapezium
    problem

    Triangle in a trapezium

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

    Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?

  • The Farmers' Field Boundary
    problem

    The farmers' field boundary

    Age
    11 to 14
    Challenge level
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    The farmers want to redraw their field boundary but keep the area the same. Can you advise them?

  • Rod Area
    problem

    Rod area

    Age
    7 to 11

    This task challenges you to create symmetrical U shapes out of rods and find their areas.

  • How Many?
    problem

    How many?

    Age
    5 to 11
    Challenge level
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    Have a look at these photos of different fruit. How many do you see? How did you count?
  • World of Tan
    list

    World of Tan

    Age
    5 to 11
    Challenge level
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    Read about the adventures of Granma T and her grandchildren in this series of stories, accompanied by interactive tangrams.