problem

Favourite

### What's it worth?

There are lots of different methods to find out what the shapes are worth - how many can you find?

problem

Favourite

### Temperature

Is there a temperature at which Celsius and Fahrenheit readings are the same?

problem

Favourite

### Your number was...

Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?

problem

Favourite

### Fruity Totals

In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?