Pros and Cons of various banking systems. More on gold. Created by Sal Khan.

Introduction to the income statement of a bank (and to income statements in general). Created by Sal Khan.

Fractional reserve banking and the multiplier effect. Introduction to the money supply. Created by Sal Khan.

How "money" is created in a fractional reserve banking system. M0 and M1 definitions of the money suppy. The multiplier effect. Created by Sal Khan.

Introduction to bank notes (which you are more familiar with than you realize). Created by Sal Khan.

More on how bank notes and checks can be used. Created by Sal Khan.

How banks can give out loans without ever giving out gold. Created by Sal Khan.

How reserve requirements limit how much lending a bank can do. Created by Sal Khan.

Seeing how reserve ratios limit how much lending I can do. Created by Sal Khan.

Students will learn that money is an invention. They will read and analyze an essay focusing primarily on one aspect of Ben Franklin's life his work as a printer and how he was an inventor and entrepreneur who also promoted the use of currency in the United States. Students will cite specific textual evidence regarding problems and solutions and will answer questions and complete a timeline. By using evidence and information gleaned from text, students will write a fictitious social media post defending the selection of Ben Franklin's portrait for the $100 note.

In this lesson, students hear a story about two little bears whose parents use several figures of speech relating to money. Students draw a picture of a bank and write a caption explaining their illustration. Students follow along with the story by listening for additional figures of speech and how they relate to the concepts of banks and interest. The students also construct a story map of an event in the story relating to why people choose to keep their money in banks.

This short video and interactive assessment activity is designed to teach second graders about bills and coins - word problems.

What cryptographic hash functions are and what properties are desired of them. Created by Zulfikar Ramzan.

A high-level explanation of digital signature schemes, which are a fundamental building block in many cryptographic protocols. Created by Zulfikar Ramzan.

While many people have heard of Bitcoin, far fewer understand it. In short, Bitcoin is a digital currency that allows transactions independent of the banking system. Lately, many people are buying Bitcoin purely as a financial investment, hoping it will appreciate. So which is it—currency or financial asset? Read more about it in the March 2018 issue of Page One Economics.

An introduction to the mechanics of bitcoins and an overview of how transactions take place. Created by Zulfikar Ramzan.

An explanation of cryptographic proof-of-work protocols, which are used in various cryptographic applications and in bitcoin mining. Created by Zulfikar Ramzan.

The mechanisms by which the supply of bitcoins is controlled. Created by Zulfikar Ramzan.

A detailed explanation of what makes bitcoin transaction block chains secure. Created by Zulfikar Ramzan.

The mechanics of a bitcoin transaction block chain, which is a construct that is generated by bitcoin miners and functions as a global ledger for recording and validating bitcoins. Created by Zulfikar Ramzan.