With this free video resource, students will be exposed to the economic way of thinking. Students will understand how to use economics in their lives and, ultimately, you’ll see the world differently-- all through engaging Hollywood production style videos.

Educators can use MRU's videos in a variety of ways, to include “flipping” the classroom, as study aids, supplementary material, concept reinforcement, or even as a full course offering.

In MRU's Principles of Microeconomics course, covers fundamental concepts like supply and demand and equilibrium. We also answer questions such as: How are prices determined? What did Adam Smith mean when he said the market process works like an “invisible hand”? How is it that we have access to fresh roses in very cold cities every Valentine’s Day? All key topics are covered to include competition, monopoly, price discrimination, externalities, public goods and more.

There are no prerequisites for this course, and it is accessible to beginners.

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What is Marginal Revolution University (MRU)?

Many of us can remember our first great economics teacher who fundamentally changed how we see the world. At MRU, we try and deliver that experience to millions worldwide through video.

Founded as a nonprofit in 2012 by George Mason University economics professors Tyler Cowen and Alex Tabarrok, MRU is building the world’s largest online library of free economics education videos -- currently weighing in at more than 800 videos.

This video lesson presents a real world problem that can be solved by using the Pythagorean theorem. The problem faces a juice seller daily. He has equilateral barrels with equal heights and he always tries to empty the juice of two barrels into a third barrel that has a volume equal to the sum of the volumes of the two barrels. This juice seller wants to find a simple way to help him select the right barrel without wasting time, and without any calculations - since he is ignorant of Mathematics. The prerequisite for this lesson includes knowledge of the following: the Pythagorean theorem; calculation of a triangles area knowing the angle between its two sides; cosine rule; calculation of a circle's area; and calculation of the areas and volumes of solids with regular bases.

This video lesson presents a real world problem that can be solved by using the Pythagorean theorem. The problem faces a juice seller daily. He has equilateral barrels with equal heights and he always tries to empty the juice of two barrels into a third barrel that has a volume equal to the sum of the volumes of the two barrels. This juice seller wants to find a simple way to help him select the right barrel without wasting time, and without any calculations - since he is ignorant of Mathematics. The prerequisite for this lesson includes knowledge of the following: the Pythagorean theorem; calculation of a triangles area knowing the angle between its two sides; cosine rule; calculation of a circle's area; and calculation of the areas and volumes of solids with regular bases.

This lesson teaches students about the history of the Pythagorean theorem, along with proofs and applications. It is geared toward high school Geometry students that have completed a year of Algebra.

This lesson teaches students about the history of the Pythagorean theorem, along with proofs and applications. It is geared toward high school Geometry students that have completed a year of Algebra.

This lesson aims to help students with quadratic functions y = ax2 + bx + c. This is the next step after linear functions bx + c. The lesson begins with three quadratics and their graphs (three parabolas): y = x2 - 2x + (0 or 1 or 2). The prerequisite or co-requisite is some working experience with algebra, like factoring x2 -2x into x(x-2). The objective is to connect four things: the formula for y, the graph of y (a parabola), the roots of y and the minimum or maximum of y. The particular example y = x2 – 2x could be repeated by the teacher, for emphasis. The lesson will take more than one class period (and this is deserved!). The breaks allow time to consider parabolas starting with -x2 and opening downward. A physical path would be one (dangerous?) activity.

This lesson aims to help students with quadratic functions y = ax2 + bx + c. This is the next step after linear functions bx + c. The lesson begins with three quadratics and their graphs (three parabolas): y = x2 - 2x + (0 or 1 or 2). The prerequisite or co-requisite is some working experience with algebra, like factoring x2 -2x into x(x-2). The objective is to connect four things: the formula for y, the graph of y (a parabola), the roots of y and the minimum or maximum of y. The particular example y = x2 – 2x could be repeated by the teacher, for emphasis. The lesson will take more than one class period (and this is deserved!). The breaks allow time to consider parabolas starting with -x2 and opening downward. A physical path would be one (dangerous?) activity.

Video lecture on quadratic equations and their graphs. The video connects the equation, the graph, the roots, and the minimum or maximum of the quadratic function.

Video lecture on quadratic equations and their graphs. The video connects the equation, the graph, the roots, and the minimum or maximum of the quadratic function.

This lesson focuses on students making decisions about what tools to apply to solve different problems related to quadratic expressions and equations. It is also intended to build awareness of the form an answer will take in order to help students make sense of the kind of problem they are solving. (9th/10th/11th Grade Math)

The topic of this video is energy in general, and specifically the ways we can quantify it. In order to make the concepts accessible to a broad audience, this video focuses on everyday things and events. How is it that energy plays a part in a child riding a scooter? How is the energy we consume in playing related to the energy on the food we eat? This video poses these questions to the class and challenges them to put a list of five such items into an ordering from most energy to least.

The topic of this video is energy in general, and specifically the ways we can quantify it. In order to make the concepts accessible to a broad audience, this video focuses on everyday things and events. How is it that energy plays a part in a child riding a scooter? How is the energy we consume in playing related to the energy on the food we eat? This video poses these questions to the class and challenges them to put a list of five such items into an ordering from most energy to least.

The scope of this video lesson consists in studying the sets of Rational and Irrational numbers. It is best suited for an advanced math course: Algebra 2 or higher.

The scope of this video lesson consists in studying the sets of Rational and Irrational numbers. It is best suited for an advanced math course: Algebra 2 or higher.

This short video and interactive assessment activity is designed to teach third graders an overview of schedules and timelines.

This short video and interactive assessment activity is designed to give fourth graders an overview of schedules and timelines.

This short video and interactive assessment activity is designed to teach second graders an overview of schedules and timelines.

This short video and interactive assessment activity is designed to teach fourth graders about reading the compound units in pounds and ounces.

This short video and interactive assessment activity is designed to teach second graders about representing numbers in expanded form i.

This short video and interactive assessment activity is designed to teach second graders about representing numbers in expanded form II.