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.
Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals

For Students 3rd - 8th Standards
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
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...
Handout
Math Open Reference

Math Open Reference: Parallel Lines

For Students 9th - 10th Standards
Get the definition for parallel lines and explore angles associated with parallel lines.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel Lines and Transversals

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the fact that transversals cut parallel lines proportionally.
Lesson Plan
Other

Nearpod: Parallel Lines & Transversals

For Teachers 8th
In this lesson on parallel lines and transversals, 8th graders explore the characteristics and how to draw parallel and transversal lines and explore the relationship between them.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel Lines and Transversals

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to use the Triangle Proportionality Theorem with multiple parallel lines.
eBook
Math Planet

Math Planet: Geometry: Angles, Parallel Lines and Transversals

For Students 9th - 10th Standards
Angles, parallel lines, and transversals are explained through examples and a video lesson. [1:01]
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel Lines and Transversals

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to use the Triangle Proportionality Theorem with multiple parallel lines.
Handout
CK-12 Foundation

Ck 12: Geometry: Angles and Transversals Study Guide

For Students 9th - 10th Standards
This study guide on angles and transversals covers key terms, angle types formed by transversals, postulates and theorems about transversals, and how to prove if lines are parallel or perpendicular. It is available for download with free...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Visually Evaluating Parallel Lines Cut by a Traversal

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems about parallel lines cut by a transversal.
Handout
Math Open Reference

Math Open Reference: Transversal

For Students 9th - 10th
Learn about transversals with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel and Skew Lines

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Differentiate between parallel and skew lines.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel and Skew Lines

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about parallel and skew lines.
eBook
Math Planet

Math Planet: Pre Algebra: Angles and Parallel Lines

For Students 9th - 10th Standards
Explains angles and parallel lines through examples and a video lesson.
Activity
Texas Instruments

Texas Instruments: Angles Formed by Parallel Lines and a Transversal

For Teachers 9th - 10th Standards
Students explore relationships in various angles formed by 2 parallel lines and a transversal.
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
Texas Instruments

Texas Instruments: Properties of Parallel Lines Cut by a Transversal

For Teachers 9th - 10th
In this activity, students create parallel lines and a transversal, and study the properties of the lines and their angles.
Activity
Texas Instruments

Texas Instruments: Parallel Lines Cut by a Transversal

For Teachers 9th - 10th
In this activity, students learn and increase their knowledge about the angles formed when parallel lines are cut by a transversal.
Activity
Texas Instruments

Texas Instruments: Angles Formed by Parallel Lines

For Teachers 9th - 10th Standards
Students can use Cabri Jr. to construct parallel lines and transversals. They will make conjectures about the angles that are formed.
Activity
Texas Instruments

Texas Instruments: Sail Problem (Parallel Lines & Segment Relationships)

For Teachers 9th - 10th
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to...
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...
Unknown Type
Khan Academy

Khan Academy: Angle Relationships With Parallel Lines

For Students 7th - 8th Standards
Find missing angles given two parallel lines and a transversal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.