Virtual Nerd
What is an Ellipse?
This video answers the question, What is an ellipse? It gives a definition of an ellipse, shows the ellipses relation of a plane to a cone, and the names of different parts of the ellipse.
Mathed Up!
Mixed Transformations
Viewers learn how to identify and perform a variety of transformations with a video that provides seven items on transformations. Pupils demonstrate their understanding of dilations, reflections, rotations, and translations. The video...
Curated OER
What are Acute, Obtuse, Right, and Straight Angles?
Angles are identified by the measurement of their angles. Well, that would make sense. The instructor illustrates four different angles and their names by identifying their degrees. Zero to less than 90 degrees is an acute angle, while...
Curated OER
What is an Angle?
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...
Curated OER
How Do You Translate a Polynomial Function Vertically?
Want to move a graphed function up or down? This is called a function translation. This video looks at translating a cubic function up three units. It considers the function in standard form, the graph of the function, and a table of...
Virtual Nerd
Virtual Nerd: What Is a Point?
Points are needed to make lines, planes, angles, or polygons. and also for graphing. Watch this tutorial to learn about points. [3:50]
Virtual Nerd
Virtual Nerd: What Is a Plane?
This tutorial introduces planes and shows how to name them. [3:44]
Virtual Nerd
Virtual Nerd: What Are Parallel Lines?
Lines that are parallel have a very special quality. This tutorial takes a look at parallel lines and how they are different from other types of lines. [4:06]
Virtual Nerd
Virtual Nerd: What Are Skew Lines?
This video tutorial introduces skew lines which are two lines that do not intersect and are not parallel. [3:46]
Virtual Nerd
Virtual Nerd: What Are Perpendicular Lines?
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]
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: 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 Are Intersecting Lines?
Two lines that cut across one another are called intersecting lines. Learn about them by watching this tutorial. [7:19]
Loyola University Chicago
Math Flix: Tranformations Coordinate Plane 2 Flip, Slide
This QuickTime movie provides an opportunity to look at what graphing a transformation looks line on the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this...
Khan Academy
Khan Academy: Geometry: Language and Notation of Basic Geometry
Explains terms and notation of basic elements of geometry. [12:57]
Virtual Nerd
Virtual Nerd: What Is a Ray?
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]
Virtual Nerd
Virtual Nerd: What Is a Degree?
Watch this tutorial to learn what a degree is and how it relates to a circle. [3:08]
Virtual Nerd
Virtual Nerd: What Is an Angle?
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]