This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Which line graph, equations and physical processes go together?
Get some practice using big and small numbers in chemistry.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
How much energy has gone into warming the planet?
When you change the units, do the numbers get bigger or smaller?
Explore the relationship between resistance and temperature
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Why MUST these statistical statements probably be at least a little
Are these statistical statements sometimes, always or never true?
Or it is impossible to say?
Which units would you choose best to fit these situations?
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
Here are several equations from real life. Can you work out which measurements are possible from each equation?
Get further into power series using the fascinating Bessel's equation.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Look at the advanced way of viewing sin and cos through their power series.
Explore the possibilities for reaction rates versus concentrations
with this non-linear differential equation
Build up the concept of the Taylor series
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Invent scenarios which would give rise to these probability density functions.
Match the descriptions of physical processes to these differential
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
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?
By exploring the concept of scale invariance, find the probability
that a random piece of real data begins with a 1.
Work out the numerical values for these physical quantities.
Go on a vector walk and determine which points on the walk are
closest to the origin.
Was it possible that this dangerous driving penalty was issued in
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Find the distance of the shortest air route at an altitude of 6000
metres between London and Cape Town given the latitudes and
longitudes. A simple application of scalar products of vectors.
How would you go about estimating populations of dolphins?
Formulate and investigate a simple mathematical model for the design of a table mat.
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
How efficiently can you pack together disks?
Which dilutions can you make using only 10ml pipettes?
Each week a company produces X units and sells p per cent of its
stock. How should the company plan its warehouse space?
Are these estimates of physical quantities accurate?
Explore the properties of perspective drawing.
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Simple models which help us to investigate how epidemics grow and die out.
Looking at small values of functions. Motivating the existence of
the Taylor expansion.
Analyse these beautiful biological images and attempt to rank them in size order.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Explore the meaning of the scalar and vector cross products and see how the two are related.
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.
Is it really greener to go on the bus, or to buy local?
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.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?