Theoretical probability

There are 67 NRICH Mathematical resources connected to Theoretical probability
Roll these Dice
problem

Roll these Dice

Age
7 to 11
Challenge level
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Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
The random world
article

The random world

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.
Taking Chances Extended
article

Taking Chances Extended

This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.
Playing Squash
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.
A Brief History of Probability
problem

A Brief History of Probability

Age
11 to 14
Challenge level
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Can you help d'Alembert discover the probabilty of at least one head in two coin flips?