Exploring and noticing

  • Different Deductions
    problem
    Favourite

    Different deductions

    Age
    7 to 11
    Challenge level
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    There are lots of different methods to find out what the shapes are worth - how many can you find?

  • problem
    Favourite

    Take your dog for a walk

    Age
    7 to 11
    Challenge level
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    Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?

  • Seeing Rhombuses
    problem

    Seeing rhombuses

    Age
    7 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 rhombus.

  • problem

    St Ives

    Age
    7 to 11
    Challenge level
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    How many people were going to St Ives?

  • Making Squares
    problem

    Making squares

    Age
    7 to 11
    Challenge level
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    Investigate all the different squares you can make on this 5 by 5 grid by making your starting side go from the bottom left hand point. Can you find out the areas of all these squares?
  • Sticky Triangles
    problem
    Favourite

    Sticky triangles

    Age
    7 to 11
    Challenge level
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    Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?
  • Lost Books
    problem

    Lost books

    Age
    7 to 11
    Challenge level
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    While we were sorting some papers we found 3 strange sheets which seemed to come from small books but there were page numbers at the foot of each page. Did the pages come from the same book?
  • problem
    Favourite

    Cut it out

    Age
    7 to 11
    Challenge level
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    Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?

  • Difference
    problem

    Difference

    Age
    7 to 11
    Challenge level
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    Place the numbers 1 to 10 in the circles so that each number is the difference between the two numbers just below it.
  • problem
    Favourite

    Watch the clock

    Age
    7 to 11
    Challenge level
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    During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?