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Golden Ratio
problem

Golden Ratio

16 to 18

Solve an equation involving the Golden Ratio phi where the unknown occurs as a power of phi.

Part 1: Build your first model
problem

Part 1: Build Your First Model

11 to 14

With just some simple arithmetic, Julia introduces us to a basic mathematical model of the spread of infectious diseases, and then introduces us to R, one of the most important numbers in disease modelling.

Toad in the Hole
problem

Toad in the Hole

11 to 14
Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?
Four on the Road
problem

Four on the Road

14 to 16
Four vehicles travel along a road one afternoon. Can you make sense of the graphs showing their motion?
Cutting it Out
problem

Cutting It Out

5 to 11

I cut this square into two different shapes. What can you say about the relationship between them?

Making Spirals
problem

Making Spirals

7 to 11

Can you make a spiral for yourself? Explore some different ways to create your own spiral pattern and explore differences between different spirals.

Hallway Borders
problem

Hallway Borders

11 to 14

What are the possible dimensions of a rectangular hallway if the number of tiles around the perimeter is exactly half the total number of tiles?

Babylon numbers
problem

Babylon Numbers

11 to 18

Can you make a hypothesis to explain these ancient numbers?

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