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.

Are these statistical statements sometimes, always or never true? Or it is impossible to say?

Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?

Simple models which help us to investigate how epidemics grow and die out.

By exploring the concept of scale invariance, find the probability that a random piece of real data begins with a 1.

Where should runners start the 200m race so that they have all run the same distance by the finish?

Work out the numerical values for these physical quantities.

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

What functions can you make using the function machines RECIPROCAL and PRODUCT and the operator machines DIFF and INT?

Why MUST these statistical statements probably be at least a little bit wrong?

Which countries have the most naturally athletic populations?

How do you choose your planting levels to minimise the total loss at harvest time?

Have you ever wondered what it would be like to race against Usain Bolt?

See how enormously large quantities can cancel out to give a good approximation to the factorial function.

Which line graph, equations and physical processes go together?

Which dilutions can you make using only 10ml pipettes?

How would you design the tiering of seats in a stadium so that all spectators have a good view?

Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

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.

Formulate and investigate a simple mathematical model for the design of a table mat.

Looking at small values of functions. Motivating the existence of the Taylor expansion.

This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.

Go on a vector walk and determine which points on the walk are closest to the origin.

Explore the meaning of the scalar and vector cross products and see how the two are related.

Get further into power series using the fascinating Bessel's equation.

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?

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

Explore the possibilities for reaction rates versus concentrations with this non-linear differential equation

Work with numbers big and small to estimate and calculate various quantities in physical contexts.

Which units would you choose best to fit these situations?

Look at the advanced way of viewing sin and cos through their power series.

Use your skill and judgement to match the sets of random data.

Build up the concept of the Taylor series

How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?

Here are several equations from real life. Can you work out which measurements are possible from each equation?

When you change the units, do the numbers get bigger or smaller?

How would you go about estimating populations of dolphins?

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?

Work with numbers big and small to estimate and calculate various quantities in biological contexts.

Explore the relationship between resistance and temperature

Use simple trigonometry to calculate the distance along the flight path from London to Sydney.