AI2: Lesson 2 Computer Vision Basics How AI 'Sees' the World
Can a machine really recognise what it sees - or is it just guessing?
Kick start your computer vision lesson with curiosity and challenge. This KS3 / lower secondary computing lesson pulls students into the world of machine ‘sight’ - the technology behind everything from face recognition to self-driving cars.
It opens with a pixelated image reveal that challenges students to think like a machine, spotting patterns from limited visual data. From there, they learn how AI processes images, builds classifiers, and why even smart systems can make big mistakes.
Using an interactive offline simulator, students train and test their own image recognition model - then improve it through trial and error. The lesson finishes with a creative design brief where students invent their own AI visual system and figure out how to make it smarter.
Through this, students uncover:
• How rule-based systems score images using labelled training data and classifier logic
• Why limited, biased, or confusing input can lead to AI misclassifications
• What generalisation and overfitting mean in real-world image recognition systems
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Pairs well with
A next-gen lesson that keeps your curriculum aligned with emerging trends in computer science
Built for formal scrutiny — structured around intent, implementation, and impact
Includes a full inspection-grade lesson plan
Packed with high-standard classroom activities — expertly designed and immediately classroom-ready
Includes full slide-by-slide speaker notes to support confident and consistent delivery
Keeps your curriculum sharp and future-facing — with topics that reflect today’s most relevant computing advances
AI2: Lesson 2 Computer Vision Basics How AI 'Sees' the World
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Whats included:
Your digital download for this lesson contains 5 professionally organised folders, each containing matched teaching materials, student tasks, model answers, and full adaptations.
The lesson can be taught directly from the fully scripted presentation for confident, inspection-ready delivery.
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Classroom Adaption Guide