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...
Activity
Texas Instruments

Texas Instruments: Intersecting Lines and Vertical Angles

For Teachers 9th - 10th
In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a...
Whiteboard
ClassFlow

Class Flow: Linear Pair and Vertical Angle Discoveries

For Teachers 9th - 10th
[Free Registration/Login Required] In this Flipchart, students explore linear pairs and vertical angles. Students determine the measure of interior and exterior angles.
Unit Plan
CK-12 Foundation

Ck 12: Linear Pairs

For Students 6th - 9th
[Free Registration/Login Required] Students explore the concept of linear pairs by navigating through the interactive learning module and then answering questions that go along with the module.
Handout
Oswego City School District

Regents Exam Prep Center: Geometry Vocabulary Resources

For Students 9th - 10th
A list of geometry definitions and a matching activity.