Angles - points, lines and parallel lines

  • Pythagoras
    article

    Pythagoras

    Pythagoras of Samos was a Greek philosopher who lived from about 580 BC to about 500 BC. Find out about the important developments he made in mathematics, astronomy, and the theory of music.
  • Coordinates and Descartes
    article

    Coordinates and Descartes

    Have you ever wondered how maps are made? Or perhaps who first thought of the idea of designing maps? We're here to answer these questions for you.

  • Maurits Cornelius Escher
    article

    Maurits Cornelius Escher

    Have you ever noticed how mathematical ideas are often used in patterns that we see all around us? This article describes the life of Escher who was a passionate believer that maths and art can be intertwined.

  • Virtual Geoboard
    interactivity

    Virtual geoboard

    A virtual geoboard that allows you to create shapes by stretching rubber bands between pegs on the board. Allows a variable number of pegs and variable grid geometry and includes a point labeller.
  • Estimating angles
    game
    Favourite

    Estimating angles

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

    How good are you at estimating angles?

  • Robotic Rotations
    problem

    Robotic rotations

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

    How did the the rotation robot make these patterns?

  • Shogi shapes
    problem

    Shogi shapes

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Shogi tiles can form interesting shapes and patterns... I wonder whether they fit together to make a ring?
  • Polygon Pictures
    problem

    Polygon pictures

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

    Can you work out how these polygon pictures were drawn, and use that to figure out their angles?

  • Same length
    problem

    Same length

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

    Construct two equilateral triangles on a straight line. There are two lengths that look the same - can you prove it?