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Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?

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.

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If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?

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Calculate probabilities associated with the Derren Brown coin scam in which he flipped 10 heads in a row.

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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?

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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. . . .

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Can you work out which spinners were used to generate the frequency charts?

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Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?

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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. . . .

This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.

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When two closely matched teams play each other, what is the most likely result?

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In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.

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Can you work out the probability of winning the Mathsland National Lottery?

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Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?

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Is the regularity shown in this encoded message noise or structure?

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.

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How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?

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A simple spinner that is equally likely to land on Red or Black. Useful if tossing a coin, dropping it, and rummaging about on the floor have lost their appeal. Needs a modern browser; if IE then at. . . .

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Simple models which help us to investigate how epidemics grow and die out.

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

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All you need for this game is a pack of cards. While you play the game, think about strategies that will increase your chances of winning.

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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. . . .