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Angle Facts
Straight lines, points, triangles, quadrilaterals, parallel lines and regular polygons, grouped by the missing angle. From Standard, 55° and 125° are both answers; Hard adds simple algebra.
🕹️ Topic gameEstimating Angles
Two ways to practise estimating angles with no protractor. In Make the angle, you aim or spin an arm to make a given angle (acute, obtuse or reflex, clockwise or anticlockwise) from a fixed line. In Guess the angle, you estimate…
These are the pages for Angle properties of triangles and quadrilaterals in the GCSE scheme of work, following Pearson Edexcel GCSE (9–1) Mathematics, Higher tier (1MA1). Open this topic in Mr Wells Maths to see it alongside the rest of the course.