Khan Academy
Khan Academy: Lines, Line Segments, and Rays
Explains the different characteristics of lines, line segments, and rays. [3:38]
Khan Academy
Khan Academy: Introduction to Euclidean Geometry
In this video students gain an understanding of basic ideas in geometry and how we represent them with symbols.
Khan Academy
Khan Academy: Geometry: Lines, Line Segments, and Rays
Compares qualities of line segments, lines, and rays. Practice problems available. [3:38]
Khan Academy
Khan Academy: Introduction to Euclidean Geometry: Lines, Line Segments, and Rays
In this video the students explore the difference between lines, line segments, and rays.
Sophia Learning
Sophia: Diagonal
In this video tutorial, the instructor defines and provides examples of diagonals in polygons. Students can check their understanding with an assessment. [3:21]
Virtual Nerd
Virtual Nerd: What Are the Endpoints of a Line Segment?
Watch this tutorial to learn about the endpoints of a line segment. [1:18]
Virtual Nerd
Virtual Nerd: What Is a Line Segment?
Take a look at this tutorial to learn about line segments, how to name them, and what the midpoint of a line segment is. [3:13]
Virtual Nerd
Virtual Nerd: How Do You Find the Midpoint Between Two Coordinates?
The midpoint of a line segment is the point midway between the endpoints of the line segment. This tutorial shows you how to find it. [2:23]
Math Mammoth
Math Mammoth: Lines, Rays, and Angles
Explains what lines, line segments, rays, and angles are, and how to measure an angle opening. [6:28]
Khan Academy
Khan Academy: Lines, Line Segments, & Rays
Learn the difference between lines, line segments, and rays.
Khan Academy
Khan Academy: Measuring Line Segments
In this example of measuring a line segment, the numbers span across the positive and negative. Remember, line segments and points are the foundations of geometry, so this is an important concept.
Khan Academy
Khan Academy: Congruent Line Segments
Let's take line segments a little further. How do we know if line segments are congruent? Let's watch this example of counting points to see if they have the exact same length.
Sophia Learning
Sophia: Drawing a Line Segment: Lesson 3
This lesson will walk you through the steps, tools, and notations involved in drawing a line segment. It is 3 of 6 in the series titled "Drawing a Line Segment."
Sophia Learning
Sophia: Drawing a Line Segment: Lesson 5
This lesson will walk you through the steps, tools, and notations involved in drawing a line segment. It is 5 of 6 in the series titled "Drawing a Line Segment."
Sophia Learning
Sophia: Drawing a Line Segment: Lesson 6
This lesson will walk you through the steps, tools, and notations involved in drawing a line segment. It is 6 of 6 in the series titled "Drawing a Line Segment."
Sophia Learning
Sophia: Drawing Line Segment Addition: Lesson 10
This lesson will demonstrate how to take two line segments and add one to the end of the other. It is 10 of 10 in the series titled "Drawing Line Segment Addition."
Sophia Learning
Sophia: Drawing Line Segment Addition: Lesson 2
This lesson will demonstrate how to take two line segments and add one to the end of the other. It is 2 of 10 in the series titled "Drawing Line Segment Addition."
Sophia Learning
Sophia: Drawing Line Segment Addition: Lesson 8
This lesson will demonstrate how to take two line segments and add one to the end of the other. It is 8 of 10 in the series titled "Drawing Line Segment Addition."
Sophia Learning
Sophia: Drawing Line Segment Addition: Lesson 1
This lesson will demonstrate how to take two line segments and add one to the end of the other. It is 1 of 10 in the series titled "Drawing Line Segment Addition."
Sophia Learning
Sophia: Drawing Line Segment Subtraction: Lesson 2
Given a ruler and a line segment, this lesson shows how to draw the action of subtracting line segments. It is 2 of 10 in the series titled "Drawing Line Segment Subtraction."
Sophia Learning
Sophia: Drawing Line Segment Subtraction: Lesson 4
Given a ruler and a line segment, this lesson shows how to draw the action of subtracting line segments. It is 4 of 10 in the series titled "Drawing Line Segment Subtraction."
Sophia Learning
Sophia: Drawing Line Segment Subtraction: Lesson 1
Given a ruler and a line segment, this lesson shows how to draw the action of subtracting line segments. It is 1 of 10 in the series titled "Drawing Line Segment Subtraction."
Sophia Learning
Sophia: Finding an Endpoint: Lesson 2
In this lesson, you'll learn how to find an endpoint when you already have a midpoint. It is 2 of 11 in the series titled "Finding an Endpoint."
Sophia Learning
Sophia: Finding an Endpoint: Lesson 3
In this lesson, you'll learn how to find an endpoint when you already have a midpoint. It is 3 of 11 in the series titled "Finding an Endpoint."