Money Math

Money Math is a page dedicated to practical applications of various math concepts. In these lessons we will learn about compound interest, simple interest, sales tax, discount, markup, and so much more.

Click on the following links or pictures to watch free online videos about money matters. Each video is followed by important formulas, definitions, and examples.

Simple Interest - Learn how to find the simple interest for a loan by watching an interesting math video.

Compound Interest - Learn how to find the compound interest and the final balance after a certain period of time.

Simple Interest and Compound Interest Learn how to compare the two types of interest when you have the same principal, the same interest rate, and the same number of years.

Sales Tax Learn how to use decimals and percents to find the sales tax and the final price of an item.

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