Challenge Level

Examine these estimates. Do they sound about right?

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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. . . .

Challenge Level

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

Challenge Level

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

Challenge Level

Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?

Challenge Level

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

Challenge Level

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

Challenge Level

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

The design technology curriculum requires students to be able to represent 3-dimensional objects on paper. This article introduces some of the mathematical ideas which underlie such methods.

Challenge Level

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?

Challenge Level

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

Challenge Level

Which countries have the most naturally athletic populations?

Challenge Level

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

Challenge Level

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

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

Challenge Level

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

Challenge Level

What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?

Challenge Level

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

Challenge Level

Can Jo make a gym bag for her trainers from the piece of fabric she has?