Being resourceful

  • problem
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    Flashing Lights

    Age
    7 to 11
    Challenge level
    1 out of 3

    Norrie sees two lights flash at the same time. How many times do they flash together during a whole minute?

  • problem
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    Rectangle Tangle

    Age
    7 to 11
    Challenge level
    1 out of 3

    The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?

  • Super Shapes
    problem
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    Super Shapes

    Age
    7 to 11
    Challenge level
    1 out of 3

    The value of the circle changes in each of the following problems. Can you discover its value in each problem?

  • problem
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    The Moons of Vuvv

    Age
    7 to 11
    Challenge level
    1 out of 3

    The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?

  • problem
    Favourite

    Multiplication Squares

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you work out the arrangement of the digits in the square so that the given products are correct? The numbers 1 - 9 may be used once and once only.

  • A Puzzling Cube
    problem
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    A Puzzling Cube

    Age
    7 to 11
    Challenge level
    1 out of 3

    Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?

  • Square Corners
    problem
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    Square Corners

    Age
    7 to 11
    Challenge level
    1 out of 3

    What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?

  • Let Us Reflect
    problem
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    Let Us Reflect

    Age
    7 to 11
    Challenge level
    1 out of 3

    Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?

  • Trebling
    problem
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    Trebling

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you replace the letters with numbers? Is there only one solution in each case?

  • The Deca Tree
    problem
    Favourite

    The Deca Tree

    Age
    7 to 11
    Challenge level
    1 out of 3

    Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.