Being resourceful

  • Picturing the world
    problem
    Favourite

    Picturing the World

    Age
    14 to 16
    Challenge level
    1 out of 3

    How can we make sense of national and global statistics involving very large numbers?

  • Hollow Squares
    problem
    Favourite

    Hollow Squares

    Age
    14 to 16
    Challenge level
    1 out of 3

    Which armies can be arranged in hollow square fighting formations?

  • Quadratic Patterns
    problem
    Favourite

    Quadratic Patterns

    Age
    14 to 16
    Challenge level
    1 out of 3

    Surprising numerical patterns can be explained using algebra and diagrams...

  • Box plot match
    problem
    Favourite

    Box Plot Match

    Age
    14 to 16
    Challenge level
    1 out of 3

    Match the cumulative frequency curves with their corresponding box plots.

  • Standard Index Form Matching
    problem
    Favourite

    Standard Index Form Matching

    Age
    14 to 16
    Challenge level
    1 out of 3

    Can you match these calculations in Standard Index Form with their answers?

  • Isosceles Seven
    problem
    Favourite

    Isosceles Seven

    Age
    14 to 16
    Challenge level
    1 out of 3

    Is it possible to find the angles in this rather special isosceles triangle?

  • Picture Story
    problem
    Favourite

    Picture Story

    Age
    14 to 16
    Challenge level
    2 out of 3

    Can you see how this picture illustrates the formula for the sum of the first six cube numbers?

  • Three cubes
    problem
    Favourite

    Three Cubes

    Age
    14 to 16
    Challenge level
    2 out of 3

    Can you work out the dimensions of the three cubes?

  • Small pepper seedlings in turquoise pots.
    problem
    Favourite

    Triangle Midpoints

    Age
    14 to 16
    Challenge level
    2 out of 3

    You are only given the three midpoints of the sides of a triangle. How can you construct the original triangle?

  • Five green equilateral triangles, arranged to almost make a complete pentagon.
    problem
    Favourite

    Doesn't Add Up

    Age
    14 to 16
    Challenge level
    2 out of 3

    In this problem we are faced with an apparently easy area problem, but it has gone horribly wrong! What happened?