Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Parallel Lines (Object Interactive)

For Students 6th - 8th Standards
Investigate vertically opposite, corresponding, and alternate angles formed by parallel lines and a transversal using this highly interactive Learn Alberta math. Be sure to follow the link to the printable activities, solutions, learning...
Activity
Texas Instruments

Texas Instruments: Angles and Transversals

For Teachers 9th - 10th
Students explore the relationships of angles formed when two parallel or non-parallel lines are cut by a transversal. This activity investigates the terms: Transversal, corresponding angles, alternate interior angles, alternate exterior...
Activity
Texas Instruments

Texas Instruments: Parallel Lines, Transversals and Angles

For Teachers 6th - 8th Standards
This activity allows students to: 1. Identify the pairs of angles formed when a transversal intersects two lines.: 2. Measure angles Using Cabri Jr. 3. Identify relationships between pairs of angles when a transversal intersects parallel...
Activity
Texas Instruments

Texas Instruments: Parallel Lines Cut by a Transversal With Cabri Jr.

For Teachers 9th - 10th
Using Cabri Jr, the students (with the teachers help) will create parallel lines cut by a transversal, measure angles, and compare the relationships of the angles formed using features of the Cabri Jr.
Activity
Analyze Math

Analyze Math: Parallel Lines and Angles Problems

For Students 9th - 10th
Try these three problems about finding the measures of different angles that arise from diagrams involving parallel lines and transversals. Detailed solutions are written out for these three problems of moderate difficulty.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 7th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify corresponding angles formed when a line intersects two other lines. Students examine guided notes, review guided practice, watch...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify corresponding angles formed when a line intersects two other lines. Students examine guided notes, review guided practice, watch...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 4.2 Theorems About Lines and Angles

For Students 9th - 10th Standards
Consider two parallel lines that are intersected by a transversal, and when it crosses the two others, many different angle pairs are formed. See the special properties of the angle pairs in this interactive.
Activity
Other

800score: Intersecting Angles

For Students 9th - 10th Standards
Read a description of intersecting lines and all about the different kinds of angles they form. Includes examples.
Unit Plan
Texas Education Agency

Texas Gateway: Making Conjectures About Parallel and Perpendicular Lines

For Students 9th - 10th Standards
The student will verify theorems about angles formed by parallel lines cut by a transversal and apply these relationships to solve problems.
Activity
Texas Instruments

Texas Instruments: Parallel Lines

For Teachers 9th - 10th
This file contains questions related to parallel lines cut by a transversal and the angles formed. The questions can be used to asses your students' understanding of this topic in geometry.