2D shapes and their properties

  • problem
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    Four Triangles Puzzle

    Age
    5 to 11
    Challenge level
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    Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

  • Jig Shapes
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    Jig Shapes

    Age
    5 to 11
    Challenge level
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    Can you each work out what shape you have part of on your card? What will the rest of it look like?

  • Sorting Logic Blocks
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    Sorting Logic Blocks

    Age
    5 to 11
    Challenge level
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    This activity focuses on similarities and differences between shapes.

  • Shaping It
    problem
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    Shaping It

    Age
    5 to 11
    Challenge level
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    These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. You could investigate your own starting shape.
  • Seeing Squares
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    Seeing Squares

    Age
    5 to 11
    Challenge level
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    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.

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    Poly Plug Rectangles

    Age
    5 to 11
    Challenge level
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    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?

  • Where are they?
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    Where Are They?

    Age
    7 to 11
    Challenge level
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    Use the isometric grid paper to find the different polygons.

  • Let Us Reflect
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    Let Us Reflect

    Age
    7 to 11
    Challenge level
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    Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?

  • Torn Shapes
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    Torn Shapes

    Age
    7 to 11
    Challenge level
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    These rectangles have been torn. How many squares did each one have inside it before it was ripped?