The Olympiad was organised by the Mathematics department of VU Amsterdam, together with the Nederlandse Wiskunde Olympiade (Dutch Mathematics Olympiad). Invited were those who obtained the highest score on the Kangoeroe Wedstrijd last spring.
The day started with a lecture for the children and their parents about Fourier theory by assistant professor Thomas Rot. Then they answered the eight questions of the first part of the olympiad. After lunch they competed in the second part with eight very challenging problems, such as the following: "We consider the number 666....666 which consists of 2023 sixes. The square of this number has 4046 digits. How many of those digits are a 5?"
While the volunteers graded the olympiad in a race against time, the children played with math puzzles provided to them by Vierkant voor Wiskunde. The day ended with the prize ceremony in which the top 10 from class 1 and the top 10 from class 2 were given a mathematical present.