Exploring and noticing

  • A Puzzling Cube
    problem
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    A puzzling cube

    Age
    7 to 11
    Challenge level
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    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?

  • The Clockmaker's Birthday Cake
    problem

    The clockmaker's birthday cake

    Age
    7 to 11
    Challenge level
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    The clockmaker's wife cut up his birthday cake to look like a clock face. Can you work out who received each piece?
  • problem
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    Clocks

    Age
    7 to 11
    Challenge level
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    These clocks have been reflected in a mirror. What times do they say?

  • Transformations on a Pegboard
    problem
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    Transformations on a pegboard

    Age
    7 to 11
    Challenge level
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    How would you move the bands on the pegboard to alter these shapes?

  • Let Us Reflect
    problem
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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?

  • Trebling
    problem
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    Trebling

    Age
    7 to 11
    Challenge level
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    Can you replace the letters with numbers? Is there only one solution in each case?

  • Fractional Triangles
    problem
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    Fractional triangles

    Age
    7 to 11
    Challenge level
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    Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.

  • Number Tracks
    problem

    Number tracks

    Age
    7 to 11
    Challenge level
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    Ben's class were cutting up number tracks. First they cut them into twos and added up the numbers on each piece. What patterns could they see?

  • How Big Are Classes 5, 6 and 7?
    problem
    Favourite

    How big are classes 5, 6 and 7?

    Age
    7 to 11
    Challenge level
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    Use the two sets of data to find out how many children there are in Classes 5, 6 and 7.

  • Polo Square
    problem

    Polo square

    Age
    7 to 11
    Challenge level
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    Arrange eight of the numbers between 1 and 9 in the Polo Square below so that each side adds to the same total.