Tree diagrams

article
An introduction to tree diagrams

This article explains how tree diagrams are constructed and helps you to understand how they can be used to calculate probabilities.
article
Playing squash

Playing squash involves lots of mathematics. This article explores the mathematics of a squash match and how a knowledge of probability could influence the choices you make.
problem
Odd dice

Age

14 to 16

Challenge level

These strange dice are rolled. What is the probability that the sum obtained is an odd number?
problem
Winning marble

Age

14 to 16

Challenge level

How can this prisoner escape?