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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.

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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.

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

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

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

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

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

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

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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?

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This is the technology section of stemNRICH - Core.

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

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

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

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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.

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

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

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

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

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

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

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