Describing patterns and sequences

  • Sets of Numbers
    problem

    Sets of numbers

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    How many different sets of numbers with at least four members can you find in the numbers in this box?
  • Beads
    problem

    Beads

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
  • Light Blue - Dark Blue
    problem

    Light blue - dark blue

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    Investigate the successive areas of light blue in these diagrams.
  • All seated
    problem

    All seated

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    Look carefully at the numbers. What do you notice? Can you make another square using the numbers 1 to 16, that displays the same properties?

  • Sets of Four Numbers
    problem

    Sets of four numbers

    Age
    7 to 11
    Challenge level
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    There are ten children in Becky's group. Can you find a set of numbers for each of them? Are there any other sets?
  • Function Machines
    problem

    Function machines

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    If the numbers 5, 7 and 4 go into this function machine, what numbers will come out?
  • Button-Up Some More
    problem

    Button-up some more

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?

  • Rods and Rods
    problem

    Rods and rods

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    Using only the red and white rods, how many different ways are there to make up the other colours of rod?
  • Bundles of Cubes
    problem

    Bundles of cubes

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    Watch this animation. What do you notice? What happens when you try more or fewer cubes in a bundle?
  • Sticky Triangles
    problem

    Sticky triangles

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