Algorithms, Selection and Flowcharts | Year 8 Computing PowerPoint Lesson

This lesson covers what an algorithm is, the three programming constructs, the five flowchart symbols, writing pseudocode and translating it into Python using if, elif and else. It includes a worked flowchart example, a trace table walkthrough, the = versus == misconception, a debugging slide on common Python errors, and two activities: flowcharting a cinema ticket price and coding a grade calculator. It is a ready-to-teach PowerPoint scaffold for an hour-long lesson on algorithms and selection. British spelling and UK National Curriculum KS3 Computing throughout.