Mathsheets
Printable math worksheets for teachers and families
Name
Date
Time
:
to
:
Simple Interest (
I
=
Prt
)
Use
I
=
P
×
r
×
t
. Write the rate as a decimal, then solve.
Example
Noah invests $1,100 in a CD that pays 2% simple interest per year. How much interest is earned in 3 years?
I =
P
×
r
×
t
= 1,100 × 0.02 × 3 = $66.00
Answer:
$
66.00
1.
A savings account pays 2% simple interest per year. Liam deposits $300. How much interest will he earn in 5 years?
Answer:
$
2.
A savings account pays 3% simple interest per year. Liam deposits $4,800. What is the total amount in the account after 3 years?
Answer:
$
3.
Sofia invests $7,700 in a CD that pays 4.5% simple interest per year. What is the total value of the CD after 1 year?
Answer:
$
4.
To buy a car, Noah borrows $3,100 at 8% simple interest per year. What is the total amount he will repay after 2 years?
Answer:
$
5.
Emma invests $1,700 in a CD that pays 3.5% simple interest per year. What is the total value of the CD after 3 years?
Answer:
$