OCR GCSE Computer Science J277 – OC2.04 Input, data types and casting – Lesson & Worksheet

Bespoke, fully editable lesson for OCR GCSE (9–1) Computer Science (J277): OC2.04 Input, data types and casting. Slides, worksheet and full answers.

Written for J277/02 Computational thinking, algorithms and programming, section 2.2 Programming fundamentals (spec 2.2.1.1, 2.2.2.1). Everything is editable, so you can adapt it to your class.

What’s included

• PowerPoint lesson (14 slides) with teacher notes on every slide
• Student worksheet (Word), ready to print or edit
• Answer sheet (Word) with mark-scheme style answers for every question

OC2.04 Input, data types and casting

By the end of the lesson students can:

• Write programs that take input from the user
• Choose a suitable data type for a piece of data and justify it
• Use casting to change the data type of a value, and explain why it is needed

Worksheet sections: A. Match the type; B. Choose and justify; C. Predict and write; D. Exam-style questions; E. Challenge

Every lesson includes

• Learning goals and a starter question
• Clear explanations, diagrams and worked examples (Python 3 throughout, with the OCR Exam Reference Language alongside)
• A quick check and a “your turn” task linked to the worksheet
• Exam-style questions with marks, and an exit ticket

Format

• PowerPoint (.pptx) and Word (.docx), fully editable
• Works in PowerPoint and Google Slides
• Bright, clear GCSE design, consistent across the whole course

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.