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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Boolean logic worksheet pack

These three Boolean logic worksheets have exam style questions on logic sta...

Edexcel Computer Science (9-1)

by Ann Weidmann et al Amazon.com | Amazon.co.uk | Book Depository This bo...

Dijkstra's algorithm video

This video is probably the best explanation of Dijkstra's algorithm for IB ...

Input-Process-Output (IPO) Model

The Input-Process-Output model is a simple topic but some students sometime...

Hexadecimal

A comprehensive review of hexadecimal. The video covers not only how to u...

Subprograms, Local Variables & Structured Programming

Subprograms are known by several different names - methods, functions, proc...

Utility Software and Models

Some students find the difference between operating system software and ut...

Data Structures

This video explains different types of data structures - 1 dimensional ar...

Operating System (OS) - GCSE Computer Science

A detailed overview of operating systems, starting with the general tasks t...

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