Live Problems - Stage 3, 4 & 5

Gibraltar Geometrylive

Age 11 to 14 Challenge Level:

Take a look at the photos of tiles at a school in Gibraltar. What questions can you ask about them?

Pocket Moneylive

Age 11 to 14 Challenge Level:

Which of these pocket money systems would you rather have?

Same Answerlive

Age 11 to 14 Challenge Level:

Aisha's division and subtraction calculations both gave the same answer! Can you find some more examples?

Farey Sequenceslive

Age 11 to 14 Challenge Level:

There are lots of ideas to explore in these sequences of ordered fractions.

Mediant Madnesslive

Age 14 to 16 Challenge Level:

Kyle and his teacher disagree about his test score - who is right?

Farey Neighbourslive

Age 16 to 18 Challenge Level:

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?

Ford Circleslive

Age 16 to 18 Challenge Level:

Can you find the link between these beautiful circle patterns and Farey Sequences?

Secondary Toughnutslive

Age 11 to 18 Challenge Level:

These secondary problems have not yet been solved. Can you be the first?