Being resourceful

  • Mixing Lemonade
    problem
    Favourite

    Mixing lemonade

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Can you work out which drink has the stronger flavour?

  • problem
    Favourite

    How would you score it?

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Invent a scoring system for a 'guess the weight' competition.

  • Sociable Cards
    problem
    Favourite

    Sociable cards

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?

  • What does random look like?
    problem
    Favourite

    What does random look like?

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Engage in a little mathematical detective work to see if you can spot the fakes.

  • Fractions Rectangle
    problem
    Favourite

    Fractions rectangle

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    The large rectangle is divided into quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the ten numbered shapes?

  • Number Families
    problem
    Favourite

    Number families

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    How many different number families can you find?

  • Odds, Evens and More Evens
    problem
    Favourite

    Odds, evens and more evens

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions...

  • Constructing Triangles
    problem
    Favourite

    Constructing triangles

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

  • Hidden Squares
    problem
    Favourite

    Hidden squares

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Can you find the squares hidden on these coordinate grids?

  • Cryptarithms
    problem
    Favourite

    Cryptarithms

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Can you crack these cryptarithms?