# Great Expectations

## Great Expectations

This feature offers a new approach to teaching probability.
The articles Probability through Problems outline the thinking behind the approach, and the resources can form the basis of an entire secondary school probability curriculum.

### Probability Through Problems

##### Stage: 3 and 4 Challenge Level:

This collection of articles for teachers outlines an approach for teaching probability at secondary level.

### Which Team Will Win?

##### Stage: 3 Challenge Level:

A practical experiment which will introduce students to tree diagrams, and help them to understand that outcomes may not be equally likely.

### The Dog Ate My Homework!

##### Stage: 3 and 4 Challenge Level:

A practical experiment which uses tree diagrams to help students understand the nature of questions in conditional probability.

### Who Is Cheating?

##### Stage: 4 Challenge Level:

A practical experiment provides data. Moving onto expected results provides a context to establish the multiplication rule in probability, and an intuitive approach to conditional probability.

### Prize Giving

##### Stage: 4 Challenge Level:

What's the fairest way to choose 2 from 8 potential prize winners? How likely are you to be chosen?