Angle Properties of a Polygon

Description

By the end of this unit, students will:

recap angle facts studied in previous years;
review different types of polygons with reference to shapes, names and side lengths;
calculate the interior and exterior angles of a polygon;
determine the sum of interior angles of a polygon;
and find the connection between the number of sides and the number of triangles in a polygon.

Links to Curriculum

Key Stage 3: Geometry and Measures

derive and use the sum of angles in a triangle and use it to deduce the angle sum in any polygon, and to derive properties of regular polygons

Target Ages

What's Included

Three-part Lesson
Self-marking Activities
Fluency, Reasoning and Problem-solving Questions.
Engaging Drag and Drop Activities
Interactive Self-marking Worksheet
Printable Worksheets to Consolidate Learning

Connected Resources

constructing triangles

Constructing Triangles with Compass and Ruler

area of triangles

Drawing and Measure Angles 180ᵒ to 360ᵒ

drawing angles to 180ᵒ

Drawing Angles to 180ᵒ

finding angles in triangles

Finding Angles in Triangles

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