What you need to know
Check yourself against these “I can” statements.
- I can explain what interior and exterior angles are
- I can find the sum of the interior and exterior angles of a polygon
- I can find the number of sides of a regular polygon from its angles
- I can solve problems with polygon angles, like whether shapes tessellate
Practise this topic
2 resources🧩 Connections
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.
🔤 Fill the GapsFill the Gaps: Maths Vocabulary
A sentence explaining one of the unit’s key words, with gaps. Pick the right word for each gap from the words scattered round it: the right ones and plenty of wrong ones. A deck for every unit.
These are the pages for Angles 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.