Squares

  • Square Bisection
    problem

    Square bisection

    Age
    11 to 14
    Challenge level
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    Weekly Problem 8 - 2008
    In how many ways can a square be cut in half using a single straight line cut?
  • Overlapping Squares
    problem

    Overlapping squares

    Age
    7 to 11
    Challenge level
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    Have a good look at these images. Can you describe what is happening? There are plenty more images like this on NRICH's Exploring Squares CD.
  • Fraction Fascination
    problem

    Fraction fascination

    Age
    7 to 11
    Challenge level
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    This problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.

  • LOGO Challenge 4 - Squares to Procedures
    problem

    LOGO challenge 4 - squares to procedures

    Age
    11 to 16
    Challenge level
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    This LOGO Challenge emphasises the idea of breaking down a problem into smaller manageable parts. Working on squares and angles.

  • Logo Challenge 3 - Star Square
    problem

    LOGO challenge 3 - star square

    Age
    7 to 16
    Challenge level
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    Creating designs with squares - using the REPEAT command in LOGO. This requires some careful thought on angles

  • Torn Shapes
    problem

    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?
  • Squares in rectangles
    problem

    Squares in rectangles

    Age
    11 to 14
    Challenge level
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    A 2 by 3 rectangle contains 8 squares and a 3 by 4 rectangle contains 20 squares. What size rectangle(s) contain(s) exactly 100 squares? Can you find them all?
  • Complete the Square
    problem

    Complete the square

    Age
    5 to 7
    Challenge level
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    Complete the squares - but be warned some are trickier than they look!

  • Trig Rules OK
    problem

    Trig rules OK

    Age
    16 to 18
    Challenge level
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    Change the squares in this diagram and spot the property that stays the same for the triangles. Explain...

  • Square coordinates
    problem

    Square coordinates

    Age
    11 to 14
    Challenge level
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    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?