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Invent scenarios which would give rise to these probability density functions.
How do these modelling assumption affect the solutions?
The probability that a passenger books a flight and does not turn up is 0.05. For an aeroplane with 400 seats how many tickets can be sold so that only 1% of flights are over-booked?
Two cyclists, practising on a track, pass each other at the starting line and go at constant speeds... Can you find lap times that are such that the cyclists will meet exactly half way round the. . . .
At what positions and speeds can the bomb be dropped to destroy the dam?
Why MUST these statistical statements probably be at least a little bit wrong?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
The builders have dug a hole in the ground to be filled with concrete for the foundations of our garage. How many cubic metres of ready-mix concrete should the builders order to fill this hole to. . . .
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record. . . .
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
If a is the radius of the axle, b the radius of each ball-bearing, and c the radius of the hub, why does the number of ball bearings n determine the ratio c/a? Find a formula for c/a in terms of n.
Formulate and investigate a simple mathematical model for the design of a table mat.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
engNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of engineering
Work in groups to try to create the best approximations to these physical quantities.
See how the motion of the simple pendulum is not-so-simple after all.
Look at the calculus behind the simple act of a car going over a step.
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
See how differential equations might be used to make a realistic model of a system containing predators and their prey.
This is the section of stemNRICH devoted to the advanced applied mathematics underlying the study of the sciences at higher levels
In this article for teachers, Alan Parr looks at ways that mathematics teaching and learning can start from the useful and interesting things can we do with the subject, including. . . .
This article explains the concepts involved in scientific mathematical computing. It will be very useful and interesting to anyone interested in computer programming or mathematics.
bioNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of the biological sciences, designed to help develop the mathematics required to get the most from your. . . .
Simple models which help us to investigate how epidemics grow and die out.
Third in our series of problems on population dynamics for advanced students.
Second in our series of problems on population dynamics for advanced students.
An advanced mathematical exploration supporting our series of articles on population dynamics for advanced students.
Fourth in our series of problems on population dynamics for advanced students.
Fifth in our series of problems on population dynamics for advanced students.
First in our series of problems on population dynamics for advanced students.
Sixth in our series of problems on population dynamics for advanced students.
Fancy a game of cricket? Here is a mathematical version you can play indoors without breaking any windows.
This problem opens a major sequence of activities on the mathematics of population dynamics for advanced students.
How do scores on dice and factors of polynomials relate to each other?
To win on a scratch card you have to uncover three numbers that add up to more than fifteen. What is the probability of winning a prize?
The third installment in our series on the shape of astronomical systems, this article explores galaxies and the universe beyond our solar system.
First of all, pick the number of times a week that you would like to eat chocolate. Multiply this number by 2...
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.
An account of how mathematics is used in computer games including geometry, vectors, transformations, 3D graphics, graph theory and simulations.
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
At Holborn underground station there is a very long escalator. Two people are in a hurry and so climb the escalator as it is moving upwards, thus adding their speed to that of the moving steps. . . .
A brief video explaining the idea of a mathematical knot.
This article for students introduces the idea of naming knots using numbers. You'll need some paper and something to write with handy!
The shortest path between any two points on a snooker table is the straight line between them but what if the ball must bounce off one wall, or 2 walls, or 3 walls?
Explain why, when moving heavy objects on rollers, the object moves twice as fast as the rollers. Try a similar experiment yourself.