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Year 8 · Maths

Derive use the sum of angles for deduction in Year 8 Maths

5 checked activities 4 video matches

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Focus on sum of interior and exterior angles of polygons. Start with “Calculate Missing Angles in Quadrilaterals”, then explain the idea in your own words.

Year 8 learners practise sum of interior and exterior angles of polygons.

The activities include Calculate Missing Angles in Quadrilaterals, Calculate the Exterior Angles of Regular Polygons, Find Angles in Quadrilaterals, and related practice. The checked support below includes teach, worksheet, video, teaching. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

  • Calculate Missing Angles in Quadrilaterals
  • Calculate the Exterior Angles of Regular Polygons
  • Find Angles in Quadrilaterals
  • Find the Size of an Interior Angle in Regular Polygons
  • Find the Sum of Interior Angles

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Oak National Academy, BBC Bitesize, Corbettmaths and Mathsframe normally open with no account. Twinkl access varies by resource, so we only show a free label after checking the resource's own page. Unconfirmed access appears only under Everything.

1

Watch it explained

a teacher walks through it

2

Learn it properly

lessons and teaching pages

LearnBBC Bitesize

Angles in Polygons

Best for: worked examples and step-by-step teaching

FreeVerified match
Open lesson
LearnOak National Academy

Geometrical properties: polygons

Best for: worked examples and step-by-step teaching

FreeReviewed, not fully verified
Open lesson
3

Practise it

questions and activities to try

4

Print and finish

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