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]
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...
Sophia Learning
Sophia: Perpendicular Lines
Discover the difference between perpendicular lines and intersecting lines. Assess understanding with a quiz.
CK-12 Foundation
Ck 12: Elem Math: Overview of Lines Curves Vertices and Sides of 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on lines, curves and vertices of two dimensional shapes.
Sophia Learning
Sophia: Perpendicular Lines
This lesson defines perpendicular lines and gives an assessment to check understanding.
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]
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 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]
Virtual Nerd
Virtual Nerd: Common Core State Standards Grade 5 geometry5.g.a5.g.a.1 Common Core
Tutorials that show the origins, X and Y coordinates, etc.
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]