Instructional Video
Virtual Nerd

Virtual Nerd: What Does Absolute Value Mean?

9th - 10th
Absolute value is thoroughly explored in this instructional video. [5:07]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Graph a Set on a Number Line?

9th - 10th
In this tutorial learn how to graph a group of numbers on a number line. [1:15]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Relation?

9th - 10th
This tutorial takes a look at relations which are a set of ordered pairs. [0:50]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is an Ordered Pair?

9th - 10th Standards
This tutorial introduces ordered pairs and shows why they are a fundamental part of graphing. [2:20]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Plot Points in the Coordinate Plane?

9th - 10th
This tutorial explores how to take an ordered pair and plot it on the coordinate plane. [2:06]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is the Origin?

9th - 10th
The coordinate plane has two axes: the horizontal and vertical axes. These two axes intersect one another at a point called the origin. Learn about the ordered pair that indicates the origin and its location in the coordinate plane by...
Instructional Video
Virtual Nerd

Virtual Nerd: What Are the Coordinate Axes?

9th - 10th
The coordinate plane has two axes: the horizontal and vertical axes. Learn about these axes and the name for their point of intersection by watching this tutorial. [0:53]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Solution Set?

9th - 10th Standards
When an equation has two variables, the set of ordered pairs that are the solution to the equation is called the solution set to the equation. In this tutorial, you'll learn the definition of a solution set and see an example. [0:59]
Instructional Video
Virtual Nerd

Virtual Nerd: What's an Inequality?

9th - 10th
Take a look at this tutorial to learn what an inequality is and also learn the symbols that are associated with them. [1:51]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Evaluate an Algebraic Expression?

9th - 10th Standards
Plugging variables into an expression is essential for solving many algebra problems. Learn how to do it by watching this tutorial. [3:56]
Instructional Video
Virtual Nerd

Virtual Nerd: What's the Subtraction Property of Inequality?

9th - 10th
The subtraction property of inequality states that if you minus a number from one side of an inequality you have to minus that same number from the other side of the inequality as well. Watch the tutorial to see how this works. [1:16]
Instructional Video
Virtual Nerd

Virtual Nerd: What's the Addition Property of Inequality?

9th - 10th
The addition property of inequality says that if you add a number from one side of an inequality you have to add that same number from the other side of the inequality as well. Watch the tutorial to see how this works. [1:15]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve a Word Problem by Multiplying Trinomials?

9th - 10th
Watch this instructional video to learn how to find the area of a quilt using polynomials as the measurement of each side. [3:27]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Factor?

9th - 10th
This tutorial takes a look at factors, a fundamental part of algebra. [2:25]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Prime Number?

9th - 10th
Instructional video explores how prime numbers are defined. [1:31]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Prime Polynomial?

9th - 10th
In a prime polynomial, the only factors are 1 and itself. Learn all about prime polynomials by viewing this tutorial. [2:23]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve a Quadratic Equation by Factoring?

9th - 10th Standards
This video explains how to use the zero product property to factor and solve a quadratic equation. [5:36]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find the Area of a Triangle?

9th - 10th Standards
If you know the length of the base and the height of a triangle, it's easy to find the area. This tutorial illustrates how to plug the numbers into the formula for the area of a triangle and solve. [3:44]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find the Perimeter of a Rectangle?

9th - 10th
This tutorial explores the steps needed to find the perimeter of a rectangle. [4:31]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Acute, Obtuse, Right, and Straight Angles?

9th - 10th Standards
Take a look at this tutorial to learn about the different kinds of angles and how to identify them. [4:15]
Instructional Video
Virtual Nerd

Virtual Nerd: What's the Midpoint Formula?

9th - 10th
The midpoint of a line segment is the point located midway between the endpoints of the line segment. Take a look at this tutorial to learn about the midpoint. [1:59]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Theorem?

9th - 10th
A theorem is a general mathematical statement that can be used to help solve all sorts of problems. Watch this tutorial for an introduction to theorems. [4:11]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Dilation?

9th - 10th
When someone's eyes dilate, their pupils get bigger or smaller, but they always stay the same shape. Dilation in math is very similar. When you dilate a figure, you change the size of the figure without changing its shape. This tutorial...
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Geometric Mean?

9th - 10th
The geometric mean can help you find a missing term in a geometric sequence. View this tutorial to understand geometric mean. [4:26]