Can you deduce which Olympic athletics events are represented by the graphs?

Invent a scoring system for a 'guess the weight' competition.

Which countries have the most naturally athletic populations?

These Olympic quantities have been jumbled up! Can you put them back together again?

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

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

Examine these estimates. Do they sound about right?

Can you sketch graphs to show how the height of water changes in different containers as they are filled?

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

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

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

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

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

If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?

Two trains set off at the same time from each end of a single straight railway line. A very fast bee starts off in front of the first train and flies continuously back and forth between the. . . .

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

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

Make your own pinhole camera for safe observation of the sun, and find out how it works.

What shape would fit your pens and pencils best? How can you make it?

An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?

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

Is it really greener to go on the bus, or to buy local?

Which dilutions can you make using only 10ml pipettes?

The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?

Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

Which units would you choose best to fit these situations?

Is there a temperature at which Celsius and Fahrenheit readings are the same?

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?

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

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

Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.

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

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.

Investigate circuits and record your findings in this simple introduction to truth tables and logic.

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

Can you work out which processes are represented by the graphs?

Work out the numerical values for these physical quantities.

Explore the relationship between resistance and temperature

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

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

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