OCR GCSE Computer Science J277 – Section 2.3 Producing robust programs – Bundle (6 lessons)

A complete, ready-to-teach bundle for OCR GCSE (9–1) Computer Science (J277): Section 2.3 Producing robust programs, in 6 bespoke lessons.

Every lesson comes with:

• Editable PowerPoint slides: goals, starter, explanations, diagrams, worked examples, a quick check, a task and an exit ticket, with teacher notes
• Student worksheet (Word): recall, applied practice and exam-style questions with marks
• Answer sheet (Word): full mark-scheme style answers

Worth £29.94 if bought lesson by lesson.

What’s inside

• OC2.46 Defensive design and authentication
• OC2.47 Input validation
• OC2.48 Maintainable code
• OC2.49 Testing and types of error
• OC2.50 Test data and test plans
• OC2.51 Refining algorithms

Why teachers use it

• Mapped lesson by lesson to the specification, so coverage is easy to track
• Python 3 throughout, with the OCR Exam Reference Language alongside
• Fully editable: adapt to your class, timings and school template
• Works for teaching, revision, cover lessons and homework

These are independent resources written for the Cambridge OCR GCSE (9–1) Computer Science specification (J277, version 3.1). They are not produced or endorsed by OCR or Cambridge University Press & Assessment. Spec point numbers are our own numbering of the specification statements.