Interior & Exterior Angles of Polygons - Complete Unit of Work

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Tom O'Toole Math Resources
Grade Levels
6th - 9th
Formats Included
  • Zip
24 pages
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Tom O'Toole Math Resources
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In this unit, students will learn about rules for working with polygons. They will start by looking at different types of polygons and what is meant by ‘regular’ and ‘irregular’ polygons. Students will then learn about the sum of exterior and interior angles of polygons, and how to calculate the exterior and interior angles of regular polygons, including learning that interior and exterior angles add up to 180 degrees. Finally students will look at what is meant by congruent and similar shapes.


This pack is designed to provide teachers with complete lesson plans and classroom resources to teach excellent lessons. It is designed to both teach the mathematical content and draw students into deeper consideration of its implications, including mathematical reasoning and problem solving skills.


4 Lesson Plans: Full ready-to-use lesson plans on the following topics:

- Types of polygon
- Exterior angles
- Interior angles
- Congruent shapes

Lesson Resources: A variety of additional resources to accompany the lesson plans, including student worksheets and aids for students needing extra support.

Homework Activity: Further problems to give students to complete at home.

Assessment: A series of questions to enable you to assess the progress of students in this unit of work.
Total Pages
24 pages
Answer Key
Teaching Duration
1 Week
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