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Oak National Academy

Oak National Academy

Angles in polygons

Year 8 • Maths

We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit.

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These lessons will be removed by end of Summer Term 2025.

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Interior angles in a triangle

Categorising and defining polygons

Building shapes from triangles (Part 1)

Building shapes from triangles (Part 2)

Polygons and triangles

Generalising angles in polygons (Part 1)

Generalising angles in polygons (Part 2)

Finding missing angles in polygons

Exterior angles

Regular interior and exterior angles (and mean of irregular)

Generalising and comparing generalisations

Angle notation and problem solving