Describing patterns and sequences

  • Summing Consecutive Numbers
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    Summing Consecutive Numbers

    Age
    11 to 14
    Challenge level
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    15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?

  • Magic Letters
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    Magic Letters

    Age
    11 to 14
    Challenge level
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    Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?

  • Beach Huts
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    Beach Huts

    Age
    11 to 14
    Challenge level
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    Can you figure out how sequences of beach huts are generated?

  • Growing Surprises
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    Growing Surprises

    Age
    11 to 14
    Challenge level
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    Can you find the connections between linear and quadratic patterns?

  • 1 Step 2 Step
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    1 Step 2 Step

    Age
    11 to 14
    Challenge level
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    Liam's house has a staircase with 12 steps. He can go down the steps one at a time or two at time. In how many different ways can Liam go down the 12 steps?

  • Farey Sequences
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    Farey Sequences

    Age
    11 to 14
    Challenge level
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    There are lots of ideas to explore in these sequences of ordered fractions.

  • Seven Squares - Group-worthy Task
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    Seven Squares - Group-Worthy Task

    Age
    11 to 14
    Challenge level
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    Choose a couple of the sequences. Try to picture how to make the next, and the next, and the next... Can you describe your reasoning?
  • Coordinate Patterns
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    Coordinate Patterns

    Age
    11 to 14
    Challenge level
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    Charlie and Alison have been drawing patterns on coordinate grids. Can you picture where the patterns lead?

  • Squares in rectangles
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    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 sizes of rectangle contain exactly 100 squares? Can you find them all?

  • Triangle Numbers
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    Triangle Numbers

    Age
    11 to 14
    Challenge level
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    Take a look at the multiplication square. The first eleven triangle numbers have been identified. Can you see a pattern? Does the pattern continue?