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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 money supply. Your class will appreciate his anecdotal approach to explain how interest rates are set, and how it affects potential "consumers of...
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Ring-opening Sn2 reaction of expoxides
Your class should understand the processes Sal is talking about here, as he recaps the sn2 reaction in the case of 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, as well as explaining the possible problems that could result with inconsistent reserve ratios requirements. The video details how one...
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Repurchase Agreements (repo transactions)
In one of his most clear-cut and simple presentations, Sal discusses the difference between collateralizing a loan and creating a purchase agreement. With an example of a watch and a kidney transplant, the video thoroughly explains the...
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Banking 12: Treasuries (government debt)
Taking viewers through the process of creating a reserve bank (Federal Reserve), Sal introduces the idea of government involvement in modern banking. Additionally, he explains the obligation of the government to cover the reserves, and...
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Friedel Crafts Acylation
Starting with benzene and acetyl chloride, Sal describes the mechanism for creating a ketone. Electrophilic aromatic substitution is similar. Viewers will find that prior knowledge useful. Acylation of a benzene ring in the presence of...
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Constructing Equations in Slope-Intercept Form from Graphs
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
Bringing it all together in this video, Sal 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 review...
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Word Problem Solving 3
Three word problems involving measurements, percentages, and expenditures are the focus of this video. Sal shows how to translate word problems into solvable equations.
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Solving Quadratic Equations by Square Roots
Introducing square roots into the quadratic equation mix, Sal takes care to address the ways viewers might go about solving the problems, both correctly and incorrectly. The video is an integral step in not only Sal's algebra series, but...
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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 flourishes in this video with the introduction of checks, demonstrating how a check essentially works. While...
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Geometric Sequences (introduction)
Serving as an introduction to the idea of geometric sequences, this video defines the concept 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,...
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Special Products of Binomials
First clarifying that people need to "resist every temptation on earth" when squaring a binomial, Sal walks viewers through a few equations using binomials and applies the skills from the previous videos about working with polynomials....
Khan Academy
Inequalities Using Multiplication And Division
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 shows a few more kinds of notation to...
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Organic Chemistry Naming Examples 2
Sal continues to work through examples of more complicated carbon chains in this second video of 5.
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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...
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Aromatic Compounds And Huckel
Sal gives a good recap of the pi electron behavior in the aromatic compounds originating from a benzene ring. The hybridization leading to a conjugated system of pi electrons is diagrammed, and he recaps a comparison of their stability.
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Amine in Sn2 part 2
An advanced chemistry class will understand the reaction that Sal is presenting and will see his logic in explaining the equilibrium. The levels of electronegativity and likelihood of a nucleophilic attack are balanced and presented in...
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Square Roots And Real Numbers
Sal works through several problems involving rational and irrational numbers, and shows how to find the difference. This video is a good stepping stone for those who are preparing to take on more challenging algebra work.
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How to Rationalize a Denominator
"Sal, why do we care? Why must we rationalize denominators?" Acknowledging these (possibly pleading) concerns, Sal explains the reasons behind rationalizing a denominator before demonstrating how to do it several times. Though he admits...
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Banking 17: What happened to the gold?
Learn the value of a dollar in this video, which explains the natural transition from the gold standard. Asking viewers if they would trust gold or the U.S. Government, Sal explains how the concept of wealth has shifted and adapted...
Khan Academy
SAT Prep: Test 5 Section 7 Part 6
Give your students the edge on their upcoming SAT with this video, which covers algebraic and linear equations. Math students who have a hard time transitioning between skills would benefit from seeing Sal do so.
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Linear Equations in Standard Form
Illuminate the world of mathematics for your class - specifically, the process of linear equations. In this video, Sal teaches about linear equations in standard form after two videos on slope-intercept and slope-point forms. He defines...
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Factoring Special Products
"Just to really, really get the point drilled into your head," Sal continues his lecture on factoring quadratic expressions, focusing on special products. He works to instill the problem-solving skills necessary to quickly and...