A problem about genetics and the transmission of disease.
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.
Simple models which help us to investigate how epidemics grow and die out.
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Use your skill and judgement to match the sets of random data.
Estimate areas using random grids
Why MUST these statistical statements probably be at least a little
How do you choose your planting levels to minimise the total loss
at harvest time?
Are these statistical statements sometimes, always or never true?
Or it is impossible to say?
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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.
How efficiently can you pack together disks?
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.
Which line graph, equations and physical processes go together?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Here are several equations from real life. Can you work out which measurements are possible from each equation?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Invent scenarios which would give rise to these probability density functions.
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.
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?
Each week a company produces X units and sells p per cent of its
stock. How should the company plan its warehouse space?
By exploring the concept of scale invariance, find the probability
that a random piece of real data begins with a 1.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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. . . .
Formulate and investigate a simple mathematical model for the design of a table mat.
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Explore the meaning of the scalar and vector cross products and see how the two are related.
Can you sketch these difficult curves, which have uses in
Explore the properties of perspective drawing.
Can you make matrices which will fix one lucky vector and crush another to zero?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Use vectors and matrices to explore the symmetries of crystals.
Is it really greener to go on the bus, or to buy local?
Go on a vector walk and determine which points on the walk are
closest to the origin.
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Explore the shape of a square after it is transformed by the action
of a matrix.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Get some practice using big and small numbers in chemistry.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Explore how matrices can fix vectors and vector directions.
Explore the properties of matrix transformations with these 10 stimulating questions.
Which dilutions can you make using only 10ml pipettes?
Can you work out which processes are represented by the graphs?
Explore the meaning behind the algebra and geometry of matrices
with these 10 individual problems.