Angle facts

Last updated: 15/11/2023
Contributor: Rebecca Paynter
Angle facts
Main Subject
Key stage
Category
Geometry and measures: Angles worksheets and classroom activities
Resource type
Display/posters
Knowledge organisers
Revision

Looking for a way to help your key stage 3 students master angle facts in preparation for GCSE? Our angle facts worksheet is the perfect tool to reinforce learners’ understanding of angles and their properties. The sheet features an outline of basic angle properties for KS3 students, including:

  • angles on a straight line and around a point

  • vertically opposite angles

  • parallel lines, corresponding angles and alternate angles

  • exterior angles

  • interior angles

  • angles in triangles and quadrilaterals

  • angles in polygons.

Use this angle factsheet as a handout or print it on A3 to display on your classroom wall. It's also perfect for GCSE maths revision. 

Sample facts from the resource:

Angles that add up to 90° are called complementary.

Angles that can be placed together on a straight line add up to 180°. These angles are called supplementary.

When 2 lines are parallel to each other the angles shown are said to be allied angles. These angles will add up to 180°.

 

 

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