Can you find an efficent way to mix paints in any ratio?
How can visual patterns be used to prove sums of series?
Kyle and his teacher disagree about his test score - who is right?
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?
Can you find the link between these beautiful circle patterns and Farey Sequences?