Simple & Compound Interest Review Practice

The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________. 

• the amount of money borrowed or deposited
• the amount taxed
• the percent interest for this year
• the amount the bank owes you for being a customer at their bank

What is the formula for simple interest?

• A=P(1+r)^t
• I=Prt
• I=P(1+r)t
• A=Prt

Ivan deposits $5,000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the first 3 years?

What is the principle? ​ (a)  

What is the rate? ​ (b)  

What is the time? ​ (c)  

• $5,000
• 5%
• 3 years

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4
• 8
• 12
• 16

Smithville Bank is offering each of it's customers a record 3.4% interest on new savings account. If Mr. Thomas opens an account with $1,500, how much interest will he earn in 3 years?

• $15,300
• $1,530
• $153
• The answer is not shown

Which is the formula for calculating compound interest?

• 
• 

Your 3 year investment of $20,000 received 5.2% interest compounded annually.  What is your total return?

• $23,285.05
• $3,285.05
• $2,385
• $32,285

Karla invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years?

• $1,584.62
• $2,651.39
• $2,706.86
• $1,825.10

Jessica borrowed $500 from a bank for 2 years and was charged simple interest. The total interest that she paid on the loan was $70. As a percentage, what was the annual interest rate of her loan?

Match the following

• time (t)

• 500

• rate (r)

• Unknown

• Principle (P)

• 2

• Interest (I)

• 70

A bank is offering 7% annual compound interest on a savings account.  If you deposit $1,500, how much interest will you earn in three years?

• $1837.56
• $337.56
• $30000
• $31500