Visualising and representing

  • 28 - upward and onward
    problem

    28 - Upward and Onward

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you find ways of joining cubes together so that 28 faces are visible?

  • Folded Number Line
    problem

    Folded Number Line

    Age
    7 to 11
    Challenge level
    1 out of 3

    When I fold a 0-20 number line, I end up with 'stacks' of numbers on top of each other. These challenges involve varying the length of the number line and investigating the 'stack totals'.

  • Open Boxes
    problem

    Open Boxes

    Age
    7 to 11
    Challenge level
    2 out of 3
    Can you work out how many cubes were used to make this open box? What size of open box could you make if you had 112 cubes?
  • Regular Rings 1
    problem

    Regular Rings 1

    Age
    7 to 11
    Challenge level
    2 out of 3

    Can you work out what shape is made by folding in this way? Why not create some patterns using this shape but in different sizes?

  • Regular Rings 2
    problem

    Regular Rings 2

    Age
    7 to 11
    Challenge level
    2 out of 3

    What shape is made when you fold using this crease pattern? Can you make a ring design?

  • Penta Play
    game

    Penta Play

    Age
    7 to 11
    Challenge level
    2 out of 3

    A shape and space game for 2, 3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board.

  • A stack of four small cardboard boxes.
    problem

    Little Boxes

    Age
    7 to 11
    Challenge level
    2 out of 3

    How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

  • Hexagon Transformations
    problem

    Hexagon Transformations

    Age
    7 to 11
    Challenge level
    2 out of 3

    Can you cut a regular hexagon into two pieces to make a parallelogram? Try cutting it into three pieces to make a rhombus!

  • Face Painting
    problem

    Face Painting

    Age
    7 to 11
    Challenge level
    2 out of 3
    You want to make each of the 5 Platonic solids and colour the faces so that, in every case, no two faces which meet along an edge have the same colour.
  • Dodecamagic
    problem

    Dodecamagic

    Age
    7 to 11
    Challenge level
    2 out of 3
    Here you see the front and back views of a dodecahedron. Each vertex has been numbered so that the numbers around each pentagonal face add up to 65. Can you find all the missing numbers?