Understanding Simple Interest and Loans

The video tutorial introduces seventh graders to the concept of simple interest, explaining its significance and how it is calculated using the simple interest formula. It covers key terms like interest and principal, provides step-by-step examples of calculating simple interest, and demonstrates how to find interest rates and time. The tutorial concludes with real-life applications, emphasizing the importance of understanding simple interest for financial literacy.

What is an example of 'good interest'?

• Paying interest on a loan

• Paying a high interest rate on credit card debt

• Borrowing money from a friend

• Earning interest from a savings account

What does the term 'principal' refer to in financial terms?

• The total amount of interest earned

• The initial amount of money borrowed or deposited

• The duration of a loan

• The interest rate charged by a bank

Which of the following is the correct formula for calculating simple interest?

• Interest = Principal / Rate / Time

• Interest = Principal - Rate - Time

• Interest = Principal x Rate x Time

• Interest = Principal + Rate + Time

If you deposit $500 at a 3% annual interest rate, what will be the balance after 3 years?

• $530

• $560

• $515

• $545

How is the interest rate expressed in the simple interest formula?

• As a whole number

• As a decimal

• As a percentage

• As a fraction

What is the annual interest rate if $1000 earns $100 in interest over 4 years?

• 4%

• 1%

• 2.5%

• 3%

If the principal is $350 and the interest earned is $17.50 over 2.5 years, what is the interest rate?

• 1%

• 3%

• 2%

• 4%

How long will it take for $800 to earn $100 in interest at a 2% annual rate?

• 6.25 years

• 5 years

• 7 years

• 4.5 years

What is the total cost of a $600 loan with 15% interest paid over 2 years?

• $780

• $800

• $750

• $720

If a loan is paid off in 24 monthly payments, what is the monthly payment for a total loan cost of $780?

• $37.50

• $32.50

• $35

• $30