Quadrilaterals

  • Shape Draw
    problem

    Shape draw

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

    Use the information on these cards to draw the shape that is being described.

  • problem

    Poly plug rectangles

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

    The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?

  • Seeing Squares
    problem

    Seeing squares

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

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

  • Opposite vertices
    problem

    Opposite vertices

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

    Can you recreate squares and rhombuses if you are only given a side or a diagonal?

  • Outside the Nonagon
    problem

    Outside the nonagon

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Weekly Problem 44 - 2010
    Extend two of the sides of a nonagon to form an angle. How large is this acute angle?
  • Quad match
    problem

    Quad match

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

    A task which depends on members of the group noticing the needs of others and responding.

  • Making Rectangles
    problem

    Making rectangles

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

    A task which depends on members of the group noticing the needs of others and responding.

  • Square Pair
    problem

    Square pair

    Age
    14 to 18
    Challenge level
    filled star filled star empty star
    Explore the shape of a square after it is transformed by the action of a matrix.
  • Unusual Quadrilateral
    problem

    Unusual quadrilateral

    Age
    14 to 16
    Challenge level
    filled star filled star empty star
    This quadrilateral has an unusual shape. Are you able to find its area?
  • Bicentric Quadrilaterals
    problem

    Bicentric quadrilaterals

    Age
    14 to 16
    Challenge level
    filled star filled star filled star
    Investigate the properties of quadrilaterals which can be drawn with a circle just touching each side and another circle just touching each vertex.