Angle Rules Worksheet: Angles on a Line, in Triangles & in Parallel Lines

A free angle rules worksheet for GCSE and iGCSE Maths, covering the Geometry content at both Foundation and Higher tier. It works through angles on a line and around a point, vertically opposite angles and triangles and angles in parallel lines. Each worksheet opens with worked examples and matching Your turn questions, then moves through fluency, reasoning, problem solving and exam-style practice, so you build the technique first and then apply it to the kind of unfamiliar, multi-step questions that separate grades in the exam. Written to match the style and presentation of Edexcel iGCSE 4MA1 and the other major GCSE boards. Full step-by-step solutions are provided in a separate PDF, so you can check your method as well as your answer.