Describing patterns and sequences

  • 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?
  • Transformation Tease
    problem

    Transformation Tease

    Age
    7 to 11
    Challenge level
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    What are the coordinates of this shape after it has been transformed in the ways described? Compare these with the original coordinates. What do you notice about the numbers?
  • More pebbles
    problem

    More Pebbles

    Age
    7 to 11
    Challenge level
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    Have a go at this 3D extension to the Pebbles problem.
  • polygonals
    problem

    Polygonals

    Age
    7 to 11
    Challenge level
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    Polygonal numbers are those that are arranged in shapes as they enlarge. Explore the polygonal numbers drawn here.
  • Magic Crosses
    problem

    Magic Crosses

    Age
    7 to 14
    Challenge level
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    Can you find examples of magic crosses? Can you find all the possibilities?

  • Steps to the Podium
    problem

    Steps to the Podium

    Age
    7 to 14
    Challenge level
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    It starts quite simple but great opportunities for number discoveries and patterns!
  • Mean Sequence
    problem

    Mean Sequence

    Age
    11 to 14
    Challenge level
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    Weekly Problem 38 - 2009
    This sequence is given by the mean of the previous two terms. What is the fifth term in the sequence?

  • Expanding Pattern
    problem

    Expanding Pattern

    Age
    11 to 14
    Challenge level
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    How many squares are needed to continue this pattern?

  • Many Matildas
    problem

    Many Matildas

    Age
    11 to 14
    Challenge level
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    MatildaMatildaMatil... What is the 1000th letter?