Big O Notation Cheat Sheet Posters | Algorithm Complexity (Set of 2)

Big O Notation Posters – Algorithm Complexity Display (Set of 2)

This resource contains a set of two Big O Notation posters designed to support understanding of algorithm time complexity in Computer Science.

The posters present the main Big O categories in a clear, visual format, helping students recognise and compare algorithm efficiency through regular classroom exposure.

What’s included

Two posters covering the following complexity classes:

Constant

Logarithmic

Linear

Polynomial (Quadratic)

Exponential

Suitable for

GCSE Computer Science

A Level Computer Science

Introductory university Computer Science

Classroom display and revision support

The content aligns with UK Computer Science specifications, including OCR, AQA, Edexcel, WJEC and Eduqas.

How it can be used

Displayed in Computer Science classrooms or ICT suites

Used as a visual reference during algorithm lessons

Support material for revision and exam preparation

File details

2 poster designs

High-quality PDF files

Sizes included: A4, A3, A2 & US Letter

Suitable for printing and lamination

Notes

Digital resource – no physical items included

Colours may vary slightly depending on printer settings

Files are provided for classroom use

This poster set supports students in developing a clear, comparative understanding of algorithm complexity, a key concept in Computer Science courses.