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Computing Concept Cards

Used to support teaching of computing in primary schools, these information sheets offer primary teachers an explanation of the six key concepts of computational thinking as defined by CAS (Computing at School).

The resource, created by the Barefoot Computing project, would prove useful to teachers new to...

Computational Thinker Map

This diagram supports the understanding of computational thinking, a skill in the primary computing curriculum. Students studying computing will gain an understanding of computational systems of all kinds, whether or not they include computers.

Computational thinking is the thought processes involved in...


The video explains the purpose of the activity which is to understand that different algorithms will produce the same results, but some methods are more efficient than others.This is an unplugged activity which means that the computing principles are understood without the use of a computer. Students use tangram...

Let's Doodle

This workshop or lesson activity makes use of a 3-D printing pen, and covers many computational thinking concepts as well as practical and evaluative skills applicable to design and technology.

The teacher guide includes a range of ‘unplugged’ computing activities – no programming is involved. The...

Beautiful Numbers

This lesson or enrichment activity investigates recursive algorithms using Fibonacci series.

It begins with an engaging maths magic trick ‘how to fake a super brain’ that uses a special property of Fibonacci numbers, and proceeds to look at the Golden Ratio in nature and its ‘beautiful’ properties.


Crazy Graphics

This workshop investigates how images are stored as data, and shows the difference that ‘bit depth’ makes to the quality of images and number of colours.

It begins by looking at paintings and how, using only paint, images were difficult to edit – however digital images are much easier. Pupils with access to...

Cryptography Workshop

This set of activities introduces children to cryptography techniques, showing how the use of computers can make encryption quicker and more effective. Some notable examples of the use of encryption in history are mentioned, leading to the use of calculation machines for code-making and code-breaking.


Generating Art: Shape Calculator

This resource, intended for an extended workshop session, uses sequences of instructions for creating drawings as a basis for learning about algorithms. Following the activity (taken from the series CSUnplugged), an introductory look at Scratch explores the different parts of the program and would be suitable for...


This series of three lesson activities uses Scratch to create animations that tell a story, and can link to studies in English.

A starter Scratch file partially tells the story of the Great Fire of London. Additional resources are provided allowing children to improve the animation.

Using some short...

Computational Thinking

This 'concept card' from the Barefoot collection explains 'computational thinking':

*What it is

*Why it is important

*What it looks like in the primary curriculum

*How to find out more

It supports teacher understanding to improve their teaching of the Barefoot activities.


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