Vector notation and geometry

  • A Knight's Journey
    article

    A knight's journey

    This article looks at knight's moves on a chess board and introduces you to the idea of vectors and vector addition.
  • An introduction to vectors
    article

    An introduction to vectors

    The article provides a summary of the elementary ideas about vectors usually met in school mathematics, describes what vectors are and how to add, subtract and multiply them by scalars and indicates why they are useful.
  • Spiroflowers
    problem

    Spiroflowers

    Age
    16 to 18
    Challenge level
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    Analyse these repeating patterns. Decide on the conditions for a periodic pattern to occur and when the pattern extends to infinity.
  • Quaternions and Rotations
    problem

    Quaternions and rotations

    Age
    16 to 18
    Challenge level
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    Find out how the quaternion function G(v) = qvq^-1 gives a simple algebraic method for working with rotations in 3-space.
  • From point to point
    problem

    From point to point

    Age
    14 to 16
    Challenge level
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    Can you combine vectors to get from one point to another?
  • Vector Racer
    game
    Favourite

    Vector racer

    Age
    11 to 16
    Challenge level
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    The classic vector racing game.

  • Spotting the loophole
    problem

    Spotting the loophole

    Age
    14 to 16
    Challenge level
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    A visualisation problem in which you search for vectors which sum to zero from a jumble of arrows. Will your eyes be quicker than algebra?

  • Triangle in a Triangle
    problem

    Triangle in a triangle

    Age
    14 to 16
    Challenge level
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    Can you work out the fraction of the original triangle that is covered by the inner triangle?

  • Areas of parallelograms
    problem

    Areas of parallelograms

    Age
    14 to 16
    Challenge level
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    Can you find the area of a parallelogram defined by two vectors?