Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Degree?

For Students 9th - 10th
Watch this tutorial to learn what a degree is and how it relates to a circle. [3:08]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is an Angle?

For Students 9th - 10th Standards
Take a look at this tutorial to learn about how an angle is formed, how to name an angle, and how an angle is measured. [4:45]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Intersecting Lines?

For Students 9th - 10th
Two lines that cut across one another are called intersecting lines. Learn about them by watching this tutorial. [7:19]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Ray?

For Students 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
Virtual Nerd

Virtual Nerd: What Are Perpendicular Lines?

For Students 9th - 10th Standards
The angles formed by perpendicular lines will always be the same. Take a look at this tutorial to learn about perpendicular lines and see a special trick involving them. [5:22]
Instructional Video
Khan Academy

Khan Academy: Coordinates of a Missing Vertex

For Students 6th - 7th Standards
Shows how to locate a missing vertex of a rectangle when you know the coordinates of the other three vertices. [2:40]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are the Endpoints of a Line Segment?

For Students 9th - 10th Standards
Watch this tutorial to learn about the endpoints of a line segment. [1:18]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Line Segment?

For Students 9th - 10th Standards
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]

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