Khan Academy
Banking 1, Money, Banking and Central Banks, Finance and Capital Markets
This video introduces the institution and function of banks in society by walking viewers through the concept of banking with colorful annotations and simplified narration. The lecture evolves naturally into a discussion about interest...
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Banking 4: Multiplier Effect and the Money Supply
In the context of a discussion about real wealth versus the representation of wealth (money), Sal explains the multiplier effect and how 1000 pieces of gold can become 2710 pieces of gold. Viewers will appreciate the annotations and...
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Banking 3: Fractional Reserve Banking
With just 1000 pieces of fictional gold, Sal takes viewers through fractional reserve banking. He explains how deposits made into a bank can be assets and liabilities, and the role of having reserves. Additionally, he demonstrates the...
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Acid Chloride Formation, Carboxylic Acids and Derivatives, Organic Chemistry
Follow through every behavior of the electrons and ions during the reaction between acetic chloride and its reactants, leading to the production of the acid halide.
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Banking 14: Fed Funds Rate
With bright, simple diagrams, Sal explains the role of the Federal Reserve in determining lending rates between banks. He also discusses open market operations and the way the Fed connects to Congress and the U.S. Government.
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Aldol Reaction, Alpha Carbon Chemistry, Organic Chemistry
This video covers the carbon-carbon bond mechanism and also reviews the enol and enolate ion and the keto-enol tautomerism. Sal uses an aldehyde in the example, but a ketone could be used as well. As with all of the other videos, Sal...
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Banking 16: Why Target Rates vs. Money Supply
Using dual diagrams and workspaces, Sal provides a thorough explanation of target rates and the money supply. Your class will appreciate his anecdotal approach to explaining how interest rates are set and how they affect potential...
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Ring-Opening SN2 Reaction of Epoxides
Your class should understand the processes Sal discusses here. He recaps the SN2 reaction by removing the oxygen from an epoxide.
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Banking 11: A Reserve Bank
Exploring a world with more than one bank, Sal illustrates the balance sheets of each fictional bank and explains the possible problems that could result from inconsistent reserve ratio requirements. The video details how one bank run...
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Repurchase Agreements (Repo Transactions)
Sal discusses the difference between collateralizing a loan and creating a purchase agreement in one of his most clear-cut and simple presentations. Using a watch and a kidney transplant as examples, the video thoroughly explains how...
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Banking 12: Treasuries (Government Debt)
Taking viewers through the creation of a reserve bank (Federal Reserve), Sal introduces the idea of government involvement in modern banking. He also explains the government's obligation to cover reserves and why bonds issued by the...
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Friedel Crafts Acylation
Sal describes the mechanism for creating a ketone, starting with benzene and acetyl chloride. Electrophilic aromatic substitution is similar. Viewers will find that prior helpful knowledge. Acylation of a benzene ring in the presence of...
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Slope-Intercept Equation From a Graph Examples, Algebra I
This lecture continues reviewing linear equations and slope problems with several example problems. Those who didn't grasp the concepts during class might find this lesson helpful.
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Extraneous Solutions to Radical Equations, Algebra I
In this video, Sal brings it all together and incorporates the concepts from previous lectures (quadratic formula, multiplying polynomial expressions, radical expressions, exponents). This video would be a great way to end a unit or...
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Word Problem Solving 3
This video focuses on three word problems involving measurements, percentages, and expenditures. Sal shows how to translate word problems into solvable equations.
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Solving Quadratic Equations by Square Roots, Algebra II
Introducing square roots into the quadratic equation mix, Sal addresses the ways viewers might solve the problems, both correctly and incorrectly. The video is an integral step in not only Sal's algebra series but also in developing math...
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Banking 6: Bank Notes And Checks
Why carry around a heavy suitcase full of gold when you can write a check to your neighbor in the village? Sal's village banks flourish in this video, which introduces checks and demonstrates how they work. While this video is helpful...
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Introduction to Geometric Sequences, Sequences, Series and Induction, Precalculus
This video introduces geometric sequences as "a special sequence of numbers where each successive number is a fixed multiple of the number before it." Sal works slowly in the beginning but picks up the pace as he solves word problems...
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Unit Conversion Word Problem: Drug Dosage, Introduction to Algebra, Algebra I
This video focuses on an example of unit conversion using drug dosage. Sal, the all-knowing pre-algebra guide, uses a problem from a nursing class to show the process of unit conversion within an algebraic expression. This helpful video...
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Introduction to Special Products of Binomials, Algebra I
First, clarifying that people need to "resist every temptation on earth" when squaring a binomial, Sal walks viewers through a few binomial equations using binomials and applies the skills from the previous videos about working with...
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Multiplying and Dividing with Inequalities, Linear Inequalities, Algebra I
Things get a little more complicated in this video, which features Sal solving several inequality problems involving multiplying and dividing by positive and negative numbers. Additionally, he uses a few more kinds of notation to...
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Organic Chemistry Naming Examples 2, Organic Chemistry
Sal continues to work through examples of more complicated carbon chains in this second video of five.
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Ratio And Proportion
Both intuitive and logistical steps bring Sal and the viewers to the correct answers in these problems using ratio and proportion. An equation with ratios introduces the video, and the skills from that problem lend well to the word...
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SAT Prep: Test 5 Section 7 Part 3
The most helpful part of this video is at the very end, when Sal demonstrates how to solve a combinations problem incorrectly (after initially finding the correct answer). The trial-and-error strategy of solving multiple-choice math...