MODULES
in
Mathematics, Science and
Technology
(MIDTERM)
Module 1: Simple interest
I. LEARNING OBJECTIVES:
At the end of this chapter, the students should be able to:
1. Explain the basic concepts of Simple Interest
2. Solve Simple Interest Problems
3. Develop an active role, involvement, and participation of students in community/ civic
affairs.
II. Discussion:
“When you saved money in the bank, you will gained an interest paid by the bank. On
the other hand, when you borrow money, you are charged an interest on the amount you
borrowed. How does gained and charged interests computed?”
A debtor pay the bank an amount which is more than the amount they borrowed. An
investor may withdraw from the bank more than the amount deposited. This additional sum
is called INTEREST.
Definition of terms:
Lender or creditor – person (or institution) who invests the money or makes the funds
available.
Borrower or debtor – person (or institution) who owes the money or avails of the funds
from
the lender.
Origin or loan date – date on which money is received by the borrower.
Repayment date or maturity date – date on which the money borrowed or loaned is to be
completely repaid.
Time or term (t) – amount of time in years the money is borrowed or invested; length of
time
between the origin and maturity dates.
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Activity 1.1
Answer the following problems involving simple interest. Write your complete solutions
and answers on a 1 whole sheet of paper.
1. Find the simple interest on a loan of ₱65,000.00 if the loan is given at a rate of 2% and is
due in 5 years and 3 months?
2. How much money will you have after 4 years if you deposited ₱10,000.00 in a bank that
pays 6% simple interest?
Module 2: Compound Interest
I. Objectives:
At the end of the lesson, the learners should be able to:
1. define compound interest;
2. compute compound interest, maturity value and present value;
3. differentiate simple from compound interest; and
4. solve problems involving compound interest.
II. Discussion:
.
Activity 2.1:
Directions: Answer the following problems involving compound interest. Write your complete
solutions and answers on a 1 whole sheet of paper.
1. In a certain bank, Justine invested ₱100,000.00 in a time deposit that pays 0.5% compounded
annually. How much will be his money after 5 years? How much interest will he gain?
2. Recca borrows ₱35,400.00 and agrees to pay ₱47,500.00 after 2 years. At what rate, compounded
monthly, is the interest computed?
Activity 2.2
Module 3: Mark up and Cross Margin
I.
II. Discussion:
III. Activity 3.1
Module 4: Mark down
I.
II. Discussion:
III. Activity 4.1:
Module 5: Mark on
I.
II. Discussion:
III. Activity 5.1