Compound transformations

  • Squares, Squares and More Squares
    problem

    Squares, Squares and More Squares

    Age
    11 to 14
    Challenge level
    1 out of 3
    Can you dissect a square into: 4, 7, 10, 13... other squares? 6, 9, 12, 15... other squares? 8, 11, 14... other squares?
  • Matching Frieze Patterns
    problem

    Matching Frieze Patterns

    Age
    11 to 14
    Challenge level
    2 out of 3
    Sort the frieze patterns into seven pairs according to the way in which the motif is repeated.
  • Footprints
    problem

    Footprints

    Age
    16 to 18
    Challenge level
    2 out of 3
    Make a footprint pattern using only reflections.
  • 2001 Spatial Oddity
    problem

    2001 Spatial Oddity

    Age
    11 to 14
    Challenge level
    3 out of 3
    With one cut a piece of card 16 cm by 9 cm can be made into two pieces which can be rearranged to form a square 12 cm by 12 cm. Explain how this can be done.
  • Trees and friezes
    problem

    Trees and Friezes

    Age
    11 to 14
    Challenge level
    3 out of 3
    This problem is based on the idea of building patterns using transformations.
  • Reflect Again
    problem

    Reflect Again

    Age
    16 to 18
    Challenge level
    3 out of 3
    Follow hints to investigate the matrix which gives a reflection of the plane in the line y=tanx. Show that the combination of two reflections in intersecting lines is a rotation.
  • A pair of scissors about to cut the corner of a blue piece of paper.
    problem

    Cutting Corners

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?

  • Cut and Make
    problem

    Cut and Make

    Age
    7 to 11
    Challenge level
    1 out of 3
    Cut a square of paper into three pieces as shown. Now,can you use the 3 pieces to make a large triangle, a parallelogram and the square again?
  • Square to L
    problem

    Square to L

    Age
    7 to 11
    Challenge level
    1 out of 3

    Find a way to cut a 4 by 4 square into only two pieces, then rejoin the two pieces to make an L shape 6 units high.

  • Midpoint Triangle
    problem

    Midpoint Triangle

    Age
    7 to 11
    Challenge level
    1 out of 3
    Can you cut up a square in the way shown and make the pieces into a triangle?