Interactive
Curated OER

Interior and Exterior Angles of Polygons

For Students 9th - 12th
In this online math worksheet, students find the interior and exterior angles of polygons. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Interactive
Curated OER

Interior Angles of Polygons

For Students 9th - 12th
In this online math worksheet, students determine the interior angles of polygons given their exterior measurements. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Interactive
Curated OER

Polygons Multiple Choice

For Students 9th - 10th
In this geometry worksheet, learners identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
Interactive
Mangahigh

Mangahigh: Shape: Exterior Angles of Polygons

For Students 9th - 10th
Explain that the sum of exterior angles of polygons equal 360 degrees.
Interactive
Sophia Learning

Sophia: Sum of Angles in Polygons

For Students 6th - 8th
This tutorial with video and slideshow components investigate the characteristics of polygons as well as how to calculate the interior and exterior angles of any polygon. It offers two PowerPoint presentations and two videos that feature...