Here is a simple tutorial on the difference between simple and compound interest. In it, Sal describes interest and defines the vocabulary of principle and interest rate. He also models the amount of money owed under the different...

Sal continues to look at changing the length of compounding time, from daily to hourly compounding interest. Now he is able to show that compounding 100% annual interest converges on the number 2.71É or e as the number of compounding...

Continuing with the lesson on compound interest, in this video, Sal derives the general formula for any amount of principle, interest rate, and compounding periods over one year.

Earn some knowledge about mathematical models for financial situations. The fourth of five parts in the Algebra II - Exponential Functions unit focuses on modeling real-world scenarios with exponential functions. Young mathematicians...

Scholars learn to solve compound interest word problems with the help of a short video. Then, they apply their new skills to practice problems on a provided worksheet.

My great-great-great-grandfather would owe how much? The resource provides a scenario of finding the amount due on a library fine compounded continuously one hundred years later. The presenter substitutes values into the exponential...

Another example of simple interest and compound interest (compounded yearly) is explored in this video.

Money, money, money. Love it! You want to earn interest on what you put into your bank account. So you make an investment to earn compound interest and you want to know how much money you will have in 60 months. Well, there's a formula...

View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...

View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...

Continuing from a previous video, this segment illustrates that as interest is compounded at increasingly more intervals, the debt owed approaches the number e (if $1 is borrowed at a rate of 100%). The instructor provides the ground...

A video exploring the concept of compound interest by introducing the idea that interest can be compounded at different intervals, i.e. annually, monthly, daily, continuously, etc. The instructor uses a concrete example to show what...

Another segment in the series on compound interest and the number e from the Khan Academy. This video begins to derive the formula for interest compounded continuously (A=Pe^rt). Limits are employed to show that the limit of the interest...

A continuation of the video Introduction to Interest also from the Khan Academy. This segment develops formulas for both simple and compound interest using the variables P, r and t. After each of the formulas are derived, they are used...

In this culminating segment in the video series about compound interest and e, the formula for interest being compounded continuously is fully derived. Examples are then given on how to use the formula for different types of interest...

In a unit on investing, these videos will show students what to look for in choosing a financial advisor.

Find out about using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate.

Introduction to compound interest produced by Khan Academy. [6:56]

Tutorial uses a word problem to explore compound interest. [4:52]

Video tutorial explains the formula for compound interest which is involved in bank accounts, loans, and investments. [8:04]

Everyday things like bank accounts and loans sometimes involve compound interest. Watch this tutorial to learn the formula for compound interest. [8:04]

Determine how to calculate compound interest on an investment. Assess learning with a quiz.

The tutorial explores compound interest. In this video lesson, compound interest is defined and examples are provided.