2D shapes and their properties

  • Quadrilaterals game
    game
    Favourite

    Quadrilaterals game

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

    A game for 2 or more people, based on the traditional card game Rummy.

  • Blue and White
    problem

    Blue and white

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

    Identical squares of side one unit contain some circles shaded blue. In which of the four examples is the shaded area greatest?

  • Hidden Squares
    problem

    Hidden squares

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

    Can you find the squares hidden on these coordinate grids?

  • Completing Quadrilaterals
    problem

    Completing quadrilaterals

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

    We started drawing some quadrilaterals - can you complete them?

  • Guess \my Quad
    problem

    Guess my quad

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

    How many questions do you need to identify my quadrilateral?

  • Plaid patterned bow tie.
    problem

    Bow tie

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

    Show how this pentagonal tile can be used to tile the plane and describe the transformations which map this pentagon to its images in the tiling.

  • Rolling Around
    problem

    Rolling around

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

    A circle rolls around the outside edge of a square so that its circumference always touches the edge of the square. Can you describe the locus of the centre of the circle?

  • Square coordinates
    problem

    Square coordinates

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

    A tilted square is a square with no horizontal sides. Can you devise a general instruction for the construction of a square when you are given just one of its sides?

  • Shapely pairs
    problem

    Shapely pairs

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

    A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...