
This set of resources for teachers offers interactive environments to support probability work at Key Stage 4.

How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Edward Wallace based his A Level Statistics Project on The Mean Game. Each picks 2 numbers. The winner is the player who picks a number closest to the mean of all the numbers picked.

This tool allows you to create custom-specified random numbers, such as the total on three dice.

A gambler bets half the money in his pocket on the toss of a coin, winning an equal amount for a head and losing his money if the result is a tail. After 2n plays he has won exactly n times. Has. . . .
Think that a coin toss is 50-50 heads or tails? Read on to appreciate the ever-changing and random nature of the world in which we live.

Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.
This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.
Investigations and activities for you to enjoy on pattern in nature.

You and I play a game involving successive throws of a fair coin. Suppose I pick HH and you pick TH. The coin is thrown repeatedly until we see either two heads in a row (I win) or a tail followed by. . . .
An introduction to Ian Stewart's RI Christmas Lectures on Mathematics and Nature with investigations and activities on mathematical patterns in cosmology, music, snowflakes, and flowers, animal. . . .

When five dice are rolled together which do you expect to see more often, no sixes or all sixes ?

This interactivity invites you to make conjectures and explore probabilities of outcomes related to two independent events.

A counter is placed in the bottom right hand corner of a grid. You toss a coin and move the star according to the following rules: ... What is the probability that you end up in the top left-hand. . . .

By tossing a coin one of three princes is chosen to be the next King of Randomia. Does each prince have an equal chance of taking the throne?

A maths-based Football World Cup simulation for teachers and students to use.