Teach Computing

Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.

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Examples of Local Cryptocurrencies

Digital Money for Local Communities covers three examples of country-wide c...

Hash function A hash function takes arbitrary sized input data (e.g. a fil...

Cryptocurrencies vs regular currencies

What is Bitcoin and How Does it Work? is a high level overview of the Bitco...

Examples of Cryptocurrencies

Bitcoin is by far the most well known cryptocurrency. The Bitcoin website w...

Practice paper 3 exam questions

One of the drawbacks of the yearly case study is that there are no past p...

Emergency Management System Explainer Video

This short video gives an overview of some EMIS features. It includes many ...

Geographic Information Systems (GIS)

For some functionality, an EMIS may also be connected to a GIS (Geographic ...

Programming languages - from Scratch to machine code

The CS Field Guide has a very comprehensive guide to different types of pro...

Assembly language simulators

There are several assembly language simulators available for use online. Si...

Resources discount offer

1.2 Decomposition and Abstraction

The decomposition and abstraction topic relates closely to the computational thinking and programming topics. Students should be able to analyse problems and design solutions, as well as break problems down into smaller (sub) problems. Abstraction of real life concepts is also an essential skill. Click here for recommended Edexcel GCSE Computer Science textbooks.

1.2 Decomposition and Abstraction

Computational thinking lesson resources

Computational Thinking unit - PG Online

This free unit from PG Online is optimized for the OCR A-Level syllabyus. However the key parts - problem recognition, decomposition, and so on - are applicable to a wide range of courses and specifications.


Updated: 2017-10-17