Describing patterns and sequences

  • Little Squares
    problem

    Little squares

    Age
    5 to 7
    Challenge level
    filled star empty star empty star
    Look at the squares in this problem. What does the next square look like? I draw a square with 81 little squares inside it. How long and how wide is my square?
  • Chain of Changes
    problem

    Chain of changes

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

    Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

  • Amazing Alphabet Maze
    problem

    Amazing alphabet maze

    Age
    5 to 7
    Challenge level
    filled star filled star empty star
    Can you go from A to Z right through the alphabet in the hexagonal maze?
  • A City of Towers
    problem

    A city of towers

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

    In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?

  • Calendar Patterns
    problem

    Calendar patterns

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    In this section from a calendar, put a square box around the 1st, 2nd, 8th and 9th. Add all the pairs of numbers. What do you notice about the answers?
  • Lost Books
    problem

    Lost books

    Age
    7 to 11
    Challenge level
    filled star filled star filled star
    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?
  • Lawn Border
    problem

    Lawn border

    Age
    5 to 11
    Challenge level
    filled star empty star empty star
    If I use 12 green tiles to represent my lawn, how many different ways could I arrange them? How many border tiles would I need each time?
  • 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"?
  • It's all about 64
    problem

    It's all about 64

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    Write the numbers up to 64 in an interesting way so that the shape they make at the end is interesting, different, more exciting ... than just a square.
  • Taking a Die for a Walk
    problem

    Taking a die for a walk

    Age
    5 to 11
    Challenge level
    filled star filled star empty star
    Investigate the numbers that come up on a die as you roll it in the direction of north, south, east and west, without going over the path it's already made.