This problem explores the biology behind Rudolph's glowing red nose.

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

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

Which units would you choose best to fit these situations?

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

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

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

Work out the numerical values for these physical quantities.

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

How would you go about estimating populations of dolphins?

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

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

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

In this short problem, try to find the location of the roots of some unusual functions by finding where they change sign.

Get some practice using big and small numbers in chemistry.

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

Build up the concept of the Taylor series

Analyse these beautiful biological images and attempt to rank them in size order.

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

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?

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

Was it possible that this dangerous driving penalty was issued in error?

Which line graph, equations and physical processes go together?

Can you make matrices which will fix one lucky vector and crush another to zero?

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

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

Match the descriptions of physical processes to these differential equations.

Use vectors and matrices to explore the symmetries of crystals.

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

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

Explore the relationship between resistance and temperature

Use trigonometry to determine whether solar eclipses on earth can be perfect.

Explore the properties of matrix transformations with these 10 stimulating questions.

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

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

To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...

Explore the shape of a square after it is transformed by the action of a matrix.

Explore the meaning behind the algebra and geometry of matrices with these 10 individual problems.

Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?

Invent scenarios which would give rise to these probability density functions.

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

In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.