Visualising and representing

  • Reflecting Lines
    problem
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    Reflecting Lines

    Age
    11 to 14
    Challenge level
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    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
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    Translating Lines

    Age
    11 to 14
    Challenge level
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    Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.

  • Diminishing Returns
    problem
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    Diminishing Returns

    Age
    11 to 14
    Challenge level
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    How much of the square is coloured blue? How will the pattern continue?

  • Mixing Lemonade
    problem
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    Mixing Lemonade

    Age
    11 to 14
    Challenge level
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    Can you work out which drink has the stronger flavour?

  • Your number was...
    problem
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    Your Number Was...

    Age
    11 to 14
    Challenge level
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    Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?

  • Perimeter Expressions
    problem
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    Perimeter Expressions

    Age
    11 to 14
    Challenge level
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    Create some shapes by combining two or more rectangles. What can you say about the areas and perimeters of the shapes you can make?

  • Troublesome Dice
    problem

    Troublesome Dice

    Age
    11 to 14
    Challenge level
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    When dice land edge-up, we usually roll again. But what if we didn't...?
  • At least one...
    problem
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    At Least One...

    Age
    11 to 14
    Challenge level
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    Imagine flipping a coin a number of times. Can you work out the probability you will get a head on at least one of the flips?

  • What numbers can we make?
    problem
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    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?

  • Fractions Rectangle
    problem
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    Fractions Rectangle

    Age
    11 to 14
    Challenge level
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    The large rectangle is divided into quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the ten numbered shapes?