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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.
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Interactive
CK-12 Foundation

Ck 12 Exploration Series: Simulations: Physics: Archery

For Students 9th - 10th
[Free Registration/Login Required] Watch this animation as an archer shoots at a target on an angle, and its horizontal and vertical paths and its velocity are explained. An interactive follows where you can manipulate the archer's...
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Whiteboard
ClassFlow

Class Flow: Parallel Lines and Planes

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart defines parallel lines and planes. It defines a transversal, the concept of alternate angles, and vertical angles.
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Whiteboard
ClassFlow

Class Flow: Braun Chapter

For Teachers 9th - 10th
[Free Registration/Login Required] This is a brief discussion between teacher and student using geometrical graphics to explore vocabulary. Vertical angles, linear angles, consecutive points, and collinear points are highlighted.
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Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Vertical Angles

For Students 9th - 10th Standards
Find a quick, concise explanation of vertical angles. An example is given and clearly explained.
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Two Column Proofs Intermediate

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write two-column proofs, and provides proofs for the Right Angle Theorem, Same Angle Supplements Theorem, and Vertical Angles...
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Handout
Math Open Reference

Math Open Reference: Areas by Slicing

For Students 9th - 10th
Learn about alternate exterior angles with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: Westward Ho! How Far Is Yonder Mountain

For Teachers 9th - 10th
In this instructional activity quantitative skills in geologic context are reinforced. Young scholars create a spreadsheet to calculate the distance of a peak using vertical angles sighted from a wagon train heading directly for the...
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eBook
Physics Classroom

The Physics Classroom: Vectors: Forces in Two Dimensions: Addition of Forces

For Students 9th - 10th
In this tutorial, examine the effect of forces acting at angles to the horizontal, such that the force has an influence in two dimensions- horizontally and vertically.
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eBook
Physics Classroom

The Physics Classroom: Vectors: Net Force Problems Revisited

For Students 9th - 10th
Through interactive examples and practice problems, this tutorial helps students understand net force-acceleration problems in which an applied force is directed at an angle to the horizontal.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel and Perpendicular Lines

For Students 8th Standards
[Free Registration/Login may be required to access all resource tools.] Identifying types of lines as parallel lines, perpendicular lines or intersecting lines.
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Graphic
Other

Hop's Gallery: Perspective Study

For Students 9th - 10th
This webpage explores traditional perspective drawings as well as contemporary drawings, focusing on their use of horizontal and vertical lines.
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Website
Other

Relationships: Dynamics

For Students 9th - 10th
The dynamics of shape in art and the relationship of shape with the other elements of art. The effects of angles and lines on perception.
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Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Slope & Line Equations

For Students 9th - 10th
This site from the Northeast Parallel Architectures Center, Syracuse University has a very substantial discussion of math topics slope & line equations. The outline form is quite useful if you need to zero in on one aspect of...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe.5 Triangles Inscribed in Circle

For Teachers 9th - 10th Standards
In this task, students use ideas about linear functions to determine when certain angles are right angles. They use the fact that two lines (if not vertical or horizontal) are perpendicular when their slopes are inverse reciprocals, as...
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Interactive
Physics Aviary

Physics Aviary: Mc Culley's Trig Thing

For Students 9th - 10th
This program gives students a visual representation of sine and cosine at different angles. A unit vector will cycle through different angles and students can see the changes that take place to the horizontal part and the vertical part...
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Interactive
Physics Classroom

The Physics Classroom: Non Horizontally Launched Projectile Animation

For Students 9th - 10th
An animation showing a projectile that is launched at an angle. Animation shows the horizontal and vertical components and their velocity.
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Interactive
Physics Aviary

Physics Aviary: Projectile Lab

For Students 9th - 10th
This lab is designed to have students find the relationships that affect the horizontal distance travelled by a projectile. Students will be able to modify the starting height, initial speed and angle at which the projectile is fired....
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Handout
Khan Academy

Khan Academy: Angled Forces Review

For Students 9th - 10th
A review page discussing how to break down forces into the horizontal and vertical components when force is at an angle.

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