Exploring and noticing

  • Proving the Laws of Logarithms
    problem

    Proving the Laws of Logarithms

    Age
    16 to 18
    Challenge level
    1 out of 3

    Here you have an opportunity to explore the proofs of the laws of logarithms.

  • Inequalities
    problem

    Inequalities

    Age
    16 to 18
    Challenge level
    1 out of 3

    Which of the statements must be true?

  • The Koch Snowflake
    problem

    The Koch Snowflake

    Age
    16 to 18
    Challenge level
    1 out of 3

    Explore the strange geometrical properties of the Koch Snowflake.

  • Polite Numbers
    problem

    Polite Numbers

    Age
    16 to 18
    Challenge level
    2 out of 3

    A polite number can be written as the sum of two or more consecutive positive integers, for example 8+9+10=27 is a polite number. Can you find some more polite, and impolite, numbers?

  • What do functions do for tiny x?
    problem

    What Do Functions Do for Tiny X?

    Age
    16 to 18
    Challenge level
    2 out of 3

    Looking at small values of functions. Motivating the existence of the Maclaurin expansion.

  • Impossible triangles?
    problem

    Impossible Triangles?

    Age
    16 to 18
    Challenge level
    2 out of 3

    Which of these triangular jigsaws are impossible to finish?

  • Farey Neighbours
    problem

    Farey Neighbours

    Age
    16 to 18
    Challenge level
    2 out of 3

    Farey sequences are lists of fractions in ascending order of magnitude. Can you prove that in every Farey sequence there is a special relationship between Farey neighbours?

  • Nine Eigen
    problem

    Nine Eigen

    Age
    16 to 18
    Challenge level
    2 out of 3

    Explore how matrices can fix vectors and vector directions.

  • Inverting Rational Functions
    problem

    Inverting Rational Functions

    Age
    16 to 18
    Challenge level
    2 out of 3

    Consider these questions concerning inverting rational functions

  • Placeholder: several colourful numbers
    problem

    Integral Arranging

    Age
    16 to 18
    Challenge level
    2 out of 3

    How would you sort out these integrals?