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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 problem opens a major sequence of activities on the mathematics of population dynamics for advanced students.
An advanced mathematical exploration supporting our series of articles on population dynamics for advanced students.
First in our series of problems on population dynamics for advanced students.
Second in our series of problems on population dynamics for advanced students.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
How do these modelling assumption affect the solutions?
See how differential equations might be used to make a realistic model of a system containing predators and their prey.
Look at the calculus behind the simple act of a car going over a step.
Third in our series of problems on population dynamics for advanced students.
First of all, pick the number of times a week that you would like to eat chocolate. Multiply this number by 2...
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?
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
Fourth in our series of problems on population dynamics for advanced students.
Fifth in our series of problems on population dynamics for advanced students.
Sixth in our series of problems on population dynamics for advanced students.
Problem solving is at the heart of the NRICH site. All the problems give learners opportunities to learn, develop or use mathematical concepts and skills. Read here for more information.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
This is the section of stemNRICH devoted to the advanced applied mathematics underlying the study of the sciences at higher levels
Formulate and investigate a simple mathematical model for the design of a table mat.
Explore the transformations and comment on what you find.
chemNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of chemistry, designed to help develop the mathematics required to get the most from your study. . . .
Why MUST these statistical statements probably be at least a little bit wrong?
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
See how the motion of the simple pendulum is not-so-simple after all.
How many eggs should a bird lay to maximise the number of chicks that will hatch? An introduction to optimisation.
Fancy a game of cricket? Here is a mathematical version you can play indoors without breaking any windows.
Invent scenarios which would give rise to these probability density functions.
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. . . .
Work in groups to try to create the best approximations to these physical quantities.
engNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of engineering
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. . . .
How do scores on dice and factors of polynomials relate to each other?
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?
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. . . .
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
The third installment in our series on the shape of astronomical systems, this article explores galaxies and the universe beyond our solar system.
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?
A car is travelling along a dual carriageway at constant speed. Every 3 minutes a bus passes going in the opposite direction, while every 6 minutes a bus passes the car travelling in the same. . . .
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. . . .
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. . . .
You have two bags, four red balls and four white balls. You must put all the balls in the bags although you are allowed to have one bag empty. How should you distribute the balls between the two. . . .
This article for students introduces the idea of naming knots using numbers. You'll need some paper and something to write with handy!
Your school has been left a million pounds in the will of an ex- pupil. What model of investment and spending would you use in order to ensure the best return on the money?
A brief video explaining the idea of a mathematical knot.
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.
A player has probability 0.4 of winning a single game. What is his probability of winning a 'best of 15 games' tournament?