simple interest 1
simple interest 2
Compound Interest
Simple Interest 3
Riddles
100

What is the formula for simple interest?

I=prt

100

Find the simple interest paid
 Principal $300 rate 6% time 4 years

72

100

What is the total balance with a principal of $1,500 at 7% compounded annually for 3 years?

$1,837.56

100

How much simple interest is owed on 2,000 dollars if borrowed for 7 years at 6%?

840

100

Why was 6 afraid of 7?

Because 7, 8 (ate), 9!

200

An initial deposit of 5,000.00 dollars is made into a savings account pays 7.1% interest annually. How much is in the account at the end of 5 years?

$6775

200

Calculate the simple interest for the following information.
P = $5,000

r = 5%

t = 5

1250

200

What is the total balance with a principal of $7,300 at 7% compounded annually for 3 years?

$8,942.81

200

Calculate the simple interest:

Principal $400 time 4 years rate 6.5%

104

200

Why did the math book look so sad?

Because it was full of problems

300

To buy a laptop computer, Elaine borrowed $2,000 for 3 years at an annual simple interest rate of 5%. How much interest will she pay if she pays the entire loan off at the end of the third year?

$300

300

Gina deposits 150 dollars at the start of the year into college savings account that pays 4% simple interest at the end of each year. She does not deposit the interest she earns each year. How much total interest will Gina earn on her deposits through the end of the fifth year?

30

300

Debbie borrows 1,000,000 dollars for real estate development and makes annual interest only payment for three years at a rate of 7.5% per year. What is her total interest payment over the three year period?

225,000

300

Calculate the simple interest for the following information.
P = $5,400

r = 6%

t = 5 months

135

300

Which month has 28 days?

All of them

400

What is the simple interest made on a deposit of $2000 at a rate of 3.5% in 5 years?

350

400

Calculate the simple interest for the following information.
P = $900

r = 3%

t = 10



270

400

What is the total balance with a principal of $12,700 at 8.8% compounded annually for 1 year?

$13,817.60

400

Calculate the simple interest for the following information.
P = $2300

r = 6%

t = 6 months



69

400

What do you call a bear with no teeth?

A Gummy Bear

500

A bank offering 2.5% simple interest on a savings account. If you deposit 5,000 dollars, how much interest will you earn in one year?

125

500

Calculate the simple interest for the following information.
P = $6,800

r = 4%

t = 7 months

157.68

500

Find the amount of savings if $1,000 is deposited for three years at 8% annual interest, compounded annually.

$1,259.71

500

George invested $1500 at 3.5% per year. If he wants to get an amount of $1815, how long should he wait before he withdraws his money?

6

500

I am an odd number. Take away a letter and I become even. What number am I?

Seven