Ruler and compass constructions KS3


  • 22 Interactive Slides
  • Three part lesson
  • Drag and drop independent activities
  • Interactive worksheet
  • Differentiated questions and answers



In this lesson, learners will be able to derive and use the standard ruler and compass constructions to:

  • construct the perpendicular bisector of a line segment;

  • construct a perpendicular to a given line from/at a given point;

  • bisecting a given angle; and

  • recognise and use the perpendicular distance from a point to a line as the shortest distance to the line.

  • Constructions: 30-degree angle

  • Constructions: 45-degree angle

  • Constructions: 60-degree angle

  • Constructions: 90-degree angle

  • Constructions: equilateral triangles

  • Constructions: hexagon inside a circle

  • Constructions: perpendicular: point on a line

  • Constructions: triangles ASA

  • Constructions: triangles SAS

  • Constructions: triangles SSS

Teachers can use the lesson for whole-class teaching and learners can also use it at home.
There are lots of drag and drop activities on constructions as well as instant learner feedback.
The lesson contains 22 interactive pages as well as lots of differentiated activities.

Click here to view other KS3  topics.

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