Being resourceful

  • To swim or to run?
    problem

    To Swim or to Run?

    Age
    16 to 18
    Challenge level
    2 out of 3

    The famous film star Birkhoff Maclane wants to reach her refreshing drink. Should she run around the pool or swim across?

  • Making Waves
    problem

    Making Waves

    Age
    16 to 18
    Challenge level
    3 out of 3

    Which is larger cos(sin x) or sin(cos x) ? Does this depend on x ?

  • Purple crocuses in the snow.
    problem

    Polar Flower

    Age
    16 to 18
    Challenge level
    3 out of 3

    This polar equation is a quadratic. Plot the graph given by each factor to draw the flower.