OCR J277 GCSE Computer Science 2.1 Flowcharts

OCR J277 GCSE Computer Science 2.1.2 flowcharts lesson: all six symbols including sub program. Read, trace and draw. 34 slides with answers.

A complete, ready-to-teach lesson for OCR GCSE Computer Science (J277) 2.1.2, covering all six flowchart symbols in the OCR specification.

What’s included (34 editable slides)

• Learning objectives and a sequencing Do Now with answers
• One clear slide for each symbol: terminal, process, decision, input/output, flow line and sub program
• “Using a Sub Program”: a main flowchart calling a sub program, with the sub program’s own flowchart
• “Name That Symbol” check with answers
• Reading a flowchart: a worked example traced step by step
• “Trace It”: students find the output for different inputs, including a boundary value
• Group challenge: spot the four mistakes in a flowchart, with answers
• 10 differentiated challenges with drawn answer flowcharts for every one
• Four-question multiple-choice quiz with answer reveals

Teacher notes on every slide, including misconceptions, teaching suggestions and ways to check understanding.

This is lesson 3 of 6 in the OCR J277 2.1 Algorithms unit, also available as a complete bundle with booklets, homework and assessments.