Lesson 12: Interest
Victor 900 Calculator Teacher’s Guide
57
STUDENT WORKSHEET
INTERESTing Ride Hop aboard and get ready for the INTERESTing ride!!
Below are a few problems that are fun. Come along and enjoy the
ride.
☺ Mr. Bob has a piggy bank that has $300.00 in it. The piggy pays
Mr. Bob 3% per year. How much interest will piggy pay Mr. Bob in
the first year?
☺ Mrs. Bob has a jar full of $3,500.00 all in pennies that is 350,000
pennies. Every year the jar pays Mrs. Bob 9% interest. How much
money will the jar pay Mrs. Bob at the end of the year?
☺ Mr. and Mrs. Bob have a bank account for Little Bob their son. At
the start of the year, they put a deposit of $2,500.00. The bank
pays a yearly interest of 6%. How much will Mr. and Mrs. Bob
have at the end of the year?
☺ Sam, Little Bob’s friend asks Little Bob for $50 to buy ice cream for
a month. Little Bob is smart and gives Sam the money with a fee
of 2% interest. How much money total will Sam have to pay Little
Bob at the end of the month?
☺ Mr. Smith works with Mr. Bob, and they both need lunch, but Mr.
Bob does not have money with him. Mr. Smith pays $15 for Mr.
Bob’s lunch and says to pay him back in 4 days with 2% interest
for everyday until he pays. How much money will Mr. Bob have to
pay Mr. Smith total in 4 days?