Instructional Video
Khan Academy

Khan Academy: Area of Composite Shapes

For Students 6th - 7th
Models how to break an irregular polygon into smaller composite shapes, calculate the area for each of those, then add all the amounts together to get the total area. [5:15]
Instructional Video
Khan Academy

Khan Academy: Area of Triangles Intuition

For Students 6th - 7th Standards
Learn the formula for the area of a triangle, one half base times height. [5:29]
Instructional Video
Khan Academy

Khan Academy: Coordinate Plane Graphing Word Problem

For Students 5th - 6th Standards
Understand how to solve a word problem involving distance between points on quadrant 1 of a coordinate plane. [2:05]
Instructional Video
Khan Academy

Khan Academy: Coordinate Plane: Graphing Points

For Students 5th - 6th Standards
Video tutorial demonstrates how to graph ordered pairs on a coordinate plane. [2:20]
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
Khan Academy

Khan Academy: Surface Area Using a Net: Triangular Prism

For Students 5th - 7th Standards
Calculate the surface area of a triangular prism in this video. [3:33]
Instructional Video
Khan Academy

Khan Academy: Cylinder Volume and Surface Area

For Students 6th - 7th Standards
Looks at how to find the volume and the surface area of a cylinder using the standard geometric formulas. [8:07]
Instructional Video
Khan Academy

Khan Academy: Volume of a Cone

For Students 7th - 9th
A video exploring how to calculate the volume of a cone. [5:43]
Instructional Video
Khan Academy

Khan Academy: Volume With Fractional Cubes

For Students 5th - 7th Standards
This video demonstrates a technique for finding the volume of a rectangular prism by dividing it up into fractional cubes. [4:17]
Instructional Video
Khan Academy

Khan Academy: Volume of a Rectangular Prism: Fractional Dimensions

For Students 5th - 7th Standards
A video that shows you how to calculate the volume of a rectangular prism. [4:14]
Instructional Video
Virtual Nerd

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

For Students 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?

For Students 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?

For Students 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?

For Students 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?

For Students 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?

For Students 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?

For Students 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]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Transformation?

For Students 9th - 10th
Transformations allow you to change or move a figure. Learn about all the different kinds of transformations by watching this video. [4:19]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Tangent Line to a Circle?

For Students 9th - 10th Standards
For a line to be tangent, it must have a special relationship with a circle. It can only intersect the circle at one point. Watch this tutorial for a better understanding. [3:01]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is Circumference?

For Students 9th - 10th Standards
The circumference of a circle is the distance around that circle. Take a look at this tutorial to discover the formulas for the circumference of a circle. [4:22]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Biconditional Statement?

For Students 9th - 10th
When a conditional statement and its converse are both true, you can write them as one statement called a biconditional statement. This tutorial illustrates this special kind of statement. [6:27]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Perpendicular Bisector?

For Students 9th - 10th Standards
This tutorial takes a look at perpendicular bisectors and illustrates what the term means. [3:23]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Classify Triangles?

For Students 3rd - 5th Standards
This tutorial provides practice in classifying triangles which is useful when figuring out how to solve for various sides and angles. [7:15]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is the Coordinate Plane?

For Students 4th - 6th Standards
Video tutorial presents an illustration of the coordinate plane which is used to graph functions or plot ordered pairs. [1:09]

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