Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest can be a life long friend or an unforgiving master. Making interest.

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Presentation transcript:

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest can be a life long friend or an unforgiving master. Making interest work for you is a first step to financial freedom. Who said: “Compound interest is the eighth wonder of the world”?

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Lesson Objective Students will learn what interest is and how it works.

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest “Compound interest is the eighth wonder of the world. He who understands it, earns it... he who doesn't... pays it.” -Albert Einstein

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest Definitions Interest: The fee charged by a lender for money borrowed. Principle: The amount of money borrowed. Time: The period of time by which a loan is repaid or interest is figured. Ex: Monthly or Yearly Interest Rate: The percentage applied to the principle by which interest is calculated. Payment: An amount paid.

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest Definitions APR: Annual Percentage Rate: The interest rate for the whole year. Nominal APR: the simple interest rate (for a year) Effective APR: The fee + compound interest rate (calculated across a year)

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest If a friend comes and asks to borrow money, will you loan it to them? What if it was a friend of a friend that wanted to borrow money? What if it was a complete stranger? What would it take for you to lend money to a complete stranger? Interest is the reason that banks and other lenders are willing to lend money to complete strangers. They agree to lend money, but in return the borrower agrees to pay the lender a percentage of the principle borrowed.

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest For Example: Jim wants to buy a car but he doesn’t have enough cash to pay for it. He talks to his bank and they agree to lend him $20,000 if he will agree to pay them back within 3 years with interest on the principle he borrowed. With this arrangement, Jim can buy his car and the bank makes money for letting him use their money. Jim’s actual cost for buying the car: $20,000 borrowed + $1,500 interest = $21,500 Bank’s income for lending the money = $1,500

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Interest Interest works in reverse as well. When you lend money to the bank (in the form of a deposit into your savings account), the bank uses your money to make loans. In return, you get a portion of the interest they make. You see this through the interest your account earns each month.

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Review: 1.What is interest? 2.Why are banks willing to lend money? 3.What is an interest rate?

Copyright 2014 © W. Seth Hunter ConsumerMath.org L9.1 Understanding Interest Review: 1.What is interest? 2.Why are banks willing to lend money? 3.What is an interest rate? The fee charged by a lender for money borrowed. They make money off of the amount they lend. The percentage applied to the principle by which interest is calculated