Khan Academy: Why Interest Rates Go Up and Down by Better Money Habits

Your teenagers are probably very good at spending money, but how good are they at managing it? Teach class members about banking, checking accounts, interest rates, car insurance, and many other relevant concepts with a series of...

Using dual diagrams and workspaces, Sal provides a thorough explanation of target rates and the money supply. Your class will appreciate his anecdotal approach to explaining how interest rates are set and how they affect potential...

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...

There is no greater benefit to the growth of a retirement account than time. See how starting early can have a big impact on your future retirement accounts. Content brought to you by our partner, Better Money Habits.

Housing costs are usually your biggest expense, so it's easy to get overextended. Determine how much rent you can afford and how to plan for additional renting expenses. Content brought to you by our partner, Better Money Habits.

You may have seen the term APR, or annual percentage rate, used in reference to everything from mortgages and auto loans to credit cards. In this piece, we look at credit card APRs which you've probably seen listed on your monthly...

This video [14:18] focuses on understanding how mortgage interest rates are quoted.

Explore the different types of interest rates. Topics include the difference between fixed-rate mortgages, adjustable-rate mortgages, and hybrids such as 5/1 loans. [14:16]

Video first reviews vector addition and multiplying by a scalar multiple. Gives notation for dot product and shows example of calculating the dot product of vectors. Then gives the formula for vector length and gives examples of using...

This video demonstrates how to solve a word problem by calculating rates. The video uses the formula for distance and isolates the variable "r" for rate. Practice problems available. [4:08]