Instructional Video
Virtual Nerd

Virtual Nerd: What Are Equilateral, Isosceles, and Scalene Triangles?

9th - 10th Standards
Watch this tutorial to learn about some of the different kinds of triangles. [5:33]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is the Triangle Sum Theorem?

9th - 10th Standards
Watch this tutorial to learn about the Triangle Sum theorem which is useful in finding interior angle measurements. [4:48]
Instructional Video
Virtual Nerd

Virtual Nerd: Why Are the Angles of Equilateral Triangles Always Equal to 60 Degrees?

9th - 10th Standards
In this tutorial, learn how to find the measurements of the interior angles of an equilateral triangle. [5:02]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Plane?

9th - 10th
This tutorial introduces planes and shows how to name them. [3:44]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Point?

9th - 10th Standards
Points are needed to make lines, planes, angles, or polygons. and also for graphing. Watch this tutorial to learn about points. [3:50]
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
Virtual Nerd

Virtual Nerd: What Are Parallel Lines?

9th - 10th Standards
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]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Perpendicular Lines?

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
Virtual Nerd

Virtual Nerd: What Are Skew Lines?

9th - 10th Standards
This video tutorial introduces skew lines which are two lines that do not intersect and are not parallel. [3:46]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Vertical Angles?

9th - 10th Standards
Vertical angles are always congruent to one another. Take a look at this tutorial to learn about and see how to identify vertical angles. [4:07]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Complementary Angles?

9th - 10th Standards
Complementary angles always add up to 90 degrees. Watch this tutorial to learn about complementary angles and see how to use this knowledge to solve a problem involving these special types of angles. [3:20]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Use Complementary Angles to Find a Missing Angle?

9th - 10th Standards
View this tutorial to see how to use what you know about complementary angles to find a missing angle measurement. [3:20]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Supplementary Angles?

9th - 10th Standards
Take a look at this tutorial as it introduces you to supplementary angles and shows you how to use them to solve for a missing angle measurement. [3:20]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Transversal?

9th - 10th Standards
This tutorial introduces transversals and shows what happens when a transversal meets two parallel lines. [6 :22]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Polygon?

9th - 10th Standards
This tutorial explains the properties of a polygon, the names of the most popular polygons, and teaches how to identify polygons. [5:41]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Regular Polygon?

7th - 9th
View this tutorial to learn what special properties a polygon must have to be called a regular polygon. [5:36]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Rectangle?

9th - 10th Standards
Tutorial provides an introduction to rectangles and explains their special properties. [5:56]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Parallelogram?

9th - 10th Standards
Video tutorial takes a look at parallelograms and explores what kinds of quadrilaterals can also be called parallelograms. [7:17]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Trapezoid?

9th - 10th Standards
This tutorial introduces trapezoids and takes a look at the special properties needed for a quadrilateral to be called a trapezoid. [5:27]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Quadrilateral?

9th - 10th Standards
Watch this tutorial to learn about quadrilaterals and their special types. [4:52]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Square?

9th - 10th Standards
Video tutorial explores squares and explains their special properties. [5:59]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Rhombus?

9th - 10th Standards
This tutorial introduces you to the rhombus and explains its special properties. [5:15]
Instructional Video
Virtual Nerd

Virtual Nerd: How Can You Tell if a Relation Is Not a Function?

9th - 10th
Every function is a relation, but not every relation is a function. Watch this video to learn how to tell which relations are functions and which are not. [4:20]
Instructional Video
Virtual Nerd

Virtual Nerd: How Is a Function Defined?

7th - 9th
Functions are an important part of algebra. Watch this tutorial to learn the definition and see an example. [2:29]