Probability

There are 130 NRICH Mathematical resources connected to Probability
Playing Squash
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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.
con Tricks
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Con tricks

Here are some examples of 'cons', and see if you can figure out where the trick is.
Taking Chances Extended
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Taking chances extended

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

This article, written by Nicky Goulder and Samantha Lodge, reveals how maths and marimbas can go hand-in-hand! Why not try out some of the musical maths activities in your own classroom?
The random world
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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.
From A Random World to a Rational Universe
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From a random world to a rational universe

In the time before the mathematical idea of randomness was discovered, people thought that everything that happened was part of the will of supernatural beings. So have things changed?
An Introduction to Tree Diagrams
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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.