Compound transformations

  • Squares, Squares and More Squares
    problem

    Squares, squares and more squares

    Age
    11 to 14
    Challenge level
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    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
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    Sort the frieze patterns into seven pairs according to the way in which the motif is repeated.
  • Transforming the Letters
    problem

    Transforming the letters

    Age
    7 to 11
    Challenge level
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    What happens to these capital letters when they are rotated through one half turn, or flipped sideways and from top to bottom?
  • Bow Tie
    problem

    Bow tie

    Age
    11 to 14
    Challenge level
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    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.
  • Reflect Again
    problem

    Reflect again

    Age
    16 to 18
    Challenge level
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    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.
  • Rots and Refs
    problem

    Rots and refs

    Age
    16 to 18
    Challenge level
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    Follow hints using a little coordinate geometry, plane geometry and trig to see how matrices are used to work on transformations of the plane.
  • content-03-01-cupboardlove2-sol1.gif
    problem

    Transformations tables

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    These grids are filled according to some rules - can you complete them?
  • Trees and friezes
    problem

    Trees and friezes

    Age
    11 to 14
    Challenge level
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    This problem is based on the idea of building patterns using transformations.
  • Friezes using Logo
    problem

    Friezes using Logo

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

    Experimenting with variables and friezes.

  • Making Rectangles, Making Squares
    problem

    Making rectangles, making squares

    Age
    11 to 14
    Challenge level
    filled star filled star empty star
    How many differently shaped rectangles can you build using these equilateral and isosceles triangles? Can you make a square?