PBS
Pbs Learning Media: Lines and Angles: Targeted Math Instruction
At the end of this lesson, students will be able to identify and apply the properties of lines and angles and understand the concept of parallel, perpendicular, complementary and supplementary angles, vertical angles, and parallel lines...
Texas Instruments
Texas Instruments: Angles Formed by Two Intersecting Lines
Students will investigate the properties of angles formed by intersecting lines. They examine the definition of adjacent angles, supplementary angles, and vertical angles and learn about two important geometric theorems dealing with...
Texas Instruments
Texas Instruments: Navigating Dc by Angles
Students can use a map of Washington, DC, to travel to/from different tourist locations using vertical angles, corresponding angles, alternate interior angles, alternate exterior angles, same-side interior angles, and linear pairs.
Math Open Reference
Math Open Reference: Angles
Everything you wanted to know about angles and more, including 1) how to measure angles 2) types of angles 3) angle relationships and 4) angles around a transversal.
Other
Nearpod: Angle Pairs
In this lesson on angle pairs, students explore the relationship betwen angles by learning about adjacent, complementary, supplementary, and vertical angles.
CK-12 Foundation
Ck 12: Interactive Geometry: 4.2 Theorems About Lines and Angles
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.
ClassFlow
Class Flow: Linear Pair and Vertical Angle Discoveries
[Free Registration/Login Required] In this Flipchart, students explore linear pairs and vertical angles. Students determine the measure of interior and exterior angles.
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles
This upper elementary and middle school lesson plan introduces the concept of acute, obtuse and right angles. Also, as the instructional activity proceeds vertical, adjacent, alternate interior and alternate exterior angles are explored....
CK-12 Foundation
Ck 12: Geometry: Angles Study Guide
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
Math Planet
Math Planet: Pre Algebra: Angles and Parallel Lines
Explains angles and parallel lines through examples and a video lesson.
Shodor Education Foundation
Shodor Interactivate: Angles
This activity from Shodor Education Foundation will help you learn or review your angle vocabulary.
Mr. Martini's Classroom
Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
CK-12 Foundation
Ck 12: Geometry: Complementary Angles
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve complementary angle problems. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Free Math Help
Free Math Help: Special Pairs of Angles
The lesson investigates special pairs of angles. Topics explored include complementary, supplementary, and vertical angles. Students learn about the concept and view diagrams and exercises with solutions.
Texas Instruments
Texas Instruments: Vertical, Adjacent, and Supplementary Angles With Cabri Jr.
Study Vertical, Adjacent, and Supplementary Angles with Cabri Jr. Page numbers come from Prentice Hall Geometry textbook.
OER Commons
Oer Commons: Four Types of Angles
In this instructional activity, students learn about four types of angles: adjacent, vertical, supplementary, and complementary. They explore the relationships between these types of angles by folding paper, measuring angles with a...
University of Georgia
University of Georgia: Inter Math: Exterior Angles
Intermath Dictionary's site defines terms relating to angles, gives examples, and offers interactive exercises.
Other
800score: Intersecting Angles
Read a description of intersecting lines and all about the different kinds of angles they form. Includes examples.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Point, Line, Planes, Angles
Practice using your graphing calculator for drawing and labeling points, lines, planes, and angles. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
McGraw Hill
Glencoe Mathematics: Online Study Tools: Line and Angle Relationships
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of line and angle relationships.
Geometry Help
Geometry Help: Intersecting Lines and Angles
Explains the basic concept of intersecting lines and angles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
PBS
Pbs: Finding Unknown Angles
Learn how to solve problems that involve finding unknown supplementary, complementary, vertical, and adjacent angles in this Math Shorts video from the Utah Education Network and Planet Nutshell, Inc.
Khan Academy
Khan Academy: Create Equations to Solve for Missing Angles
Use understanding of vertical, complementary, and supplementary angles to set up an appropriate equation to solve for a missing angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Khan Academy
Khan Academy: Finding Missing Angles
Practice using knowledge of vertical, complementary, and supplementary angles to find a missing angle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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