If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple simulation game to investigate the properties of such systems.

A simple robot to make, plus robots in everyday life to investigate.

What shape and size of drinks mat is best for flipping and catching?

Design and test a paper helicopter. What is the best design?

My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?

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?

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

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

Build a scaffold out of drinking-straws to support a cup of water

This is the technology section of stemNRICH - Core.

Creating a schedule to cook a meal consisting of two different recipes, plus rice.

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

Design and construct a prototype intercooler which will satisfy agreed quality control constraints.

Create a symmetrical fabric design based on a flower motif - and realise it in Logo.

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.

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

Moiré patterns are intriguing interference patterns. Create your own beautiful examples using LOGO!

A weekly challenge concerning drawing shapes algorithmically.

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

Can you make a new type of fair die with 14 faces by shaving the corners off a cube?

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

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

The Velodrome was one of the most striking buildings in the London 2012 Olympic Park. This article explores how mathematics helped design the iconic building and its track.

engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering