News Clip2:59
AFP News Agency

VOICED : JO-2016: un rayon de soleil pour les athletes syriens

9th - Higher Ed
VOICED : JO-2016: un rayon de soleil pour les athletes syriens
Instructional Video5:22
Curated OER

What is an Angle?

6th - 12th
An angle is formed when two rays share a common endpoint. Want to know more about angles? There are a lot of terms in this lesson. You might have to watch it two or even three times to make sure you understand all the terms. I recommend...
Instructional Video4:45
Curated OER

What is an Angle?

3rd - 6th
An angle is formed when two rays share a common endpoint. Want to know more about angles? There are a lot of terms in this lesson. You might have to watch it two or even three times to make sure you understand all the terms. I recommend...
Instructional Video4:51
Curated OER

What is a Ray?

6th - 10th
A ray is a line that begins at an identified point and then goes on forever in one direction. The identified point is called the endpoint. There needs to be another identified point on the line to be able to identify the line as a ray....
Instructional Video
Khan Academy

Khan Academy: Geometry: Language and Notation of Basic Geometry

9th - 10th Standards
Explains terms and notation of basic elements of geometry. [12:57]
Instructional Video
Khan Academy

Khan Academy: Geometry: Identifying Rays

9th - 10th
How to identify and name rays. [5:40]
Instructional Video
Khan Academy

Khan Academy: Lines, Line Segments, and Rays

4th Standards
Explains the different characteristics of lines, line segments, and rays. [3:38]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Ray?

9th - 10th
Rays are very useful as two rays can create an angle, multiple angles can create a polygon, and by adding another dimension you get three-dimensional solids. This tutorial introduces you to rays and shows you how to name them. [4:51]
Instructional Video
Khan Academy

Khan Academy: Introduction to Euclidean Geometry

5th - 8th Standards
In this video students gain an understanding of basic ideas in geometry and how we represent them with symbols.
Instructional Video
Khan Academy

Khan Academy: Geometry: Lines, Line Segments, and Rays

9th - 10th Standards
Compares qualities of line segments, lines, and rays. Practice problems available. [3:38]
Instructional Video
Khan Academy

Khan Academy: Introduction to Euclidean Geometry: Lines, Line Segments, and Rays

5th - 8th Standards
In this video the students explore the difference between lines, line segments, and rays.
Instructional Video
Khan Academy

Khan Academy: Introduction to Euclidean Geometry: Identifying Rays

9th - 10th Standards
In this video students learn about the key aspects of rays.
Instructional Video
Math Mammoth

Math Mammoth: Lines, Rays, and Angles

4th - 5th Standards
Explains what lines, line segments, rays, and angles are, and how to measure an angle opening. [6:28]
Instructional Video
Khan Academy

Khan Academy: Identifying Rays

6th - 8th
Identifying rays.
Instructional Video
Sophia Learning

Sophia: Drawing an Angle on the Unit Circle: Lesson 2

9th - 10th Standards
Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle. It is 2 of 7 in the series titled "Drawing an Angle on the Unit Circle."
Instructional Video
Sophia Learning

Sophia: Drawing an Angle on the Unit Circle: Lesson 4

9th - 10th Standards
Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle. It is 4 of 7 in the series titled "Drawing an Angle on the Unit Circle."
Instructional Video
Sophia Learning

Sophia: Drawing an Angle on the Unit Circle: Lesson 7

9th - 10th Standards
Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle. It is 7 of 7 in the series titled "Drawing an Angle on the Unit Circle."
Instructional Video
Sophia Learning

Sophia: Drawing a Ray: Lesson 3

6th - 8th
This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 3 of 8 in the series titled "Drawing a Ray."
Instructional Video
Sophia Learning

Sophia: Drawing a Ray: Lesson 5

6th - 8th
This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 5 of 8 in the series titled "Drawing a Ray."
Instructional Video
Sophia Learning

Sophia: Drawing a Ray: Lesson 7

6th - 8th
This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 7 of 8 in the series titled "Drawing a Ray."
Instructional Video
Sophia Learning

Sophia: Drawing an Angle on the Unit Circle: Lesson 3

9th - 10th Standards
Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle.
Instructional Video
Sophia Learning

Sophia: Drawing an Angle on the Unit Circle: Lesson 1

9th - 10th Standards
Given a particular angle, this lesson demonstrates how it can be drawn on a unit circle. It is 1 of 7 in the series titled "Drawing an Angle on the Unit Circle."
Instructional Video
Sophia Learning

Sophia: Drawing a Ray: Lesson 2

6th - 8th
This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 2 of 8 in the series titled "Drawing a Ray."
Instructional Video
Sophia Learning

Sophia: Drawing a Ray: Lesson 6

6th - 8th
This lesson will show you the tools and procedures involved in drawing and labeling a ray. It is 6 of 8 in the series titled "Drawing a Ray."