Khan Academy
Cupcake Economics 3, Inflation, Finance and Capital Markets
This video continues to use the business model of a cupcake factory and explains how prices are driven.
Khan Academy
Cupcake Economics 2, Inflation, Finance and Capital Markets
The continuation of the lecture regarding a cupcake business. Sal provides some prominent and relevant examples of the costs and profits that may arise under different circumstances. He references an Excel spreadsheet that is available...
Khan Academy
Wealth Destruction 1, Finance and Capital Markets
What happens when a homeowner is paying more towards a loan than the house is worth? In a timely examination of the housing bubble (and its inevitable pop), Sal looks at five hypothetical home purchases from 1995 and their notional...
Khan Academy
The Housing Price Conundrum, Current Economics, Finance and Capital Markets
In this video and the next three, Sal examines how the data illustrates the supply and demand in the housing market. Sal examines the theories behind what could drive housing prices to increase faster than the supply-and-demand balance...
Khan Academy
Simple Analysis of Cost per Job Saved from Stimulus
What's Sal's take on the economic stimulus package? He breaks down some government-provided statistics to determine the total price per job created.
Khan Academy
ROA Discussion 1, Stocks and Bonds, Finance and Capital Markets
Introduce young economists to the concept of return on assets with this clip, which begins with an overview of various theories on calculating ROA. Sal writes out four formulas and explains why he uses the last one: EBIT divided by...
Khan Academy
Review of China US Currency Situation
This short clip is essentially just a review of what Sal has discussed in previous videos about the China-US trade situation. He goes over all the details, discussing the trade imbalance and how the Chinese government maintains the...
Khan Academy
Raising Money for a Startup, Stocks and Bonds, Finance and Capital Markets
Sal's hypothetical company is selling socks online, and he must write a business plan. He discusses the basics of starting a new corporation and asset development. Learners see through the case study how shareholders divide ownership,...
Khan Academy
Price and Market Capitalization, Stocks and Bonds, Finance and Capital Markets
As Sal introduces a series of videos on investing, he gives scholars an overview of stock investments and asset valuation. Using two hypothetical stock prices, he poses the question of the relative price per share. What is expensive and...
Khan Academy
Partial Fraction Expansion 3, Partial Fraction Expansion, Precalculus
In the last video on partial fraction decomposition, Sal shows how to solve a fraction with a repeated factor in the denominator. He runs through this interesting problem and gives some insight into how to solve these types of problems,...
Khan Academy
Partial Fraction Expansion 2, Partial Fraction Expansion, Precalculus
Partial fraction expansion is further explored in this video. The example problem shown here is of a higher-degree polynomial than the one explored in the first Khan Academy video on this subject.
Khan Academy
P/E Discussion, Stocks and Bonds, Finance and Capital Markets
Can looking at the price per share tell a buyer the value of a stock? Not necessarily, Sal explains as he calculates the price-to-earnings ratio to demonstrate this relativity. He reminds learners to consider the source of a company's...
Khan Academy
P/E Conundrum, Stocks and Bonds, Finance and Capital Markets
To present a potential inconsistency in the price-to-earnings ratio, Sal creates a scenario based on two entrepreneurs who each purchase a pizzeria with identical assets. The first pays the entire cost outright, while the second pays 10%...
Khan Academy
More on IPOs, Stocks and Bonds, Finance and Capital Markets
Although mainly reviewing previous videos, Sal delves further into the details of IPOs and explores the reasons companies raise equity and others purchase it. As he describes the assets and equity of a business, note there is an error in...
Khan Academy
Getting a Seed Round From a VC, Stocks and Bonds, Finance and Capital Markets
After reviewing his hypothetical business startup, Sal outlines the stock distribution based on a pre-money valuation and a $5 million investment from an angel donor. He reviews the fluctuating percentage of ownership once an investor is...
Khan Academy
Floating Exchange Effects on China
Now that we understand what the Chinese Government does to keep its currency artificially suppressed, Sal explores what might happen if they were to allow a free-floating exchange against the dollar. He outlines the hypothetical ripple...
Khan Academy
Debt Loops Rationale and Effects
Now that scholars understand more about currency imbalance and artificially suppressed currency, Sal discusses the motivations of the different actors. He briefly touches on the difficulty of unwinding a cycle like this once it has...
Khan Academy
Currency Exchange Introduction
Learners are introduced to fluctuating currency exchange rates and the role of supply and demand in this context. They understand the inverse relationship between supply and price based on these concepts and view a hypothetical scenario...
Khan Academy
American-Chinese Debt Loop
After watching the videos on foreign exchange and trade, your scholars may be wondering how exactly American debt purchasing has led to lower interest rates. Here's their answer. Sal reviews the Chinese investment cycle in US treasuries,...
Khan Academy
Singapore Math: Grade 3a, Unit 2 (Part 9)
Sal uses numeric expansion to show the process of subtracting four-digit numbers. For example, he expands the number 6004 and writes it as 6000+0+0+4 and 2678 as 2000+600+70+8. When he regroups, viewers can see the actual number exchange...
Khan Academy
Singapore Math: Grade 3a, Unit 2 (Part 8)
Provide your class with a developmentally sound way to view four-digit subtraction. Sal uses visual solid aids to show what each step in the subtraction process represents. Everyone will be able to see the mathematical process in action.
Khan Academy
Singapore Math: Grade 3a, Unit 2 (Part 1)
A math video explores the terminology used to describe addition and subtraction using simple problems. The instructor uses visual means to describe these processes. Use it to cement understanding with both younger and older elementary...
Khan Academy
Singapore Math: Grade 3a, Unit 1 (Part 8)
Sal provides a series of numbers for viewers to consider. They must attempt to identify the number pattern and predict the following two numbers in the sequence. The video contains various problems involving place value and pattern...
Khan Academy
Singapore Math: Grade 3a, Unit 1 (Part 3)
Learners explore this key concept through a review of reading and writing numbers up to 10,000. The instructor also leads a discussion of number progression. By using visual cues and brilliant colors, Sal makes it easy to understand how...