NOTRE DAME OF MLANG, INC.

Garcia St., M’lang, Cotabato

SENIOR HIGH SCHOOL DEPARTMENT
S.Y.: 2024-2025

LESSON PLAN IN GENERAL MATHEMATICS

September 2-6, 2024 – Preparation for the Founding

Anniversary Day 2
September 9, 2024 – Rest Day INTRODUCTION
September 10, 2024 – Post Review PRELIMINARIES
A. Prayer
Date: September 11-13, 2024 B. Greetings
Lesson: Addition and Subtraction of Functions C. Checking of Attendance
Time Allotment: 135 minutes D. Setting of Standards

I. LEARNING COMPETENCIES D. CLOSING ACTIVITY

At the end of the period the students
will be able to: Activity 2:
 performs addition, subtraction, 1. Ask the students to answer the following
multiplication, division, and composition of problem items individually using pen and
functions; paper.
 solves problems involving functions; 2. Give students enough time to answer the
problem items.
II. LEARNING PROCEDURE 3. Call a random student to show his or her
A. INTRODUCTION work on the board afterward.
PRELIMINARIES 4. Let the student share how he or she comes
A. Prayer up with his or her solution.
B. Greetings 5. Inform the student the accuracy of his
C. Checking of Attendance answer and solution, and in the case when
D. Setting of Standards there is some sort of misconception, lead the
student to the right direction to find the
Day 1 correct answer.
Activity 1: Secret Message!
Methodology: Day 3
1. Divide students into 5 groups. INTRODUCTION
2. Give them the problems to solve. PRELIMINARIES
3. Tell the students that there is a message that A. Prayer
they need to figure out. Each letter in the B. Greetings
message has a corresponding value. For them to C. Checking of Attendance
figure out the corresponding value, they need to D. Setting of Standards
evaluate the function given the value of x.
4. Let the students complete the table. III. EVALUATION
Worksheet from Quipper
B. INTERACTION
Guide Question: IV. ASSIGNMENT
1. What is the message? Give at least one problem of multiplication
2. How do we evaluate the function given a and division of functions.
value of x?
Reference: General Mathematics
-Discussion link.quipper
-How to solve addition of functions? Materials: worksheets
-How to solve subtraction of functions?
Prepared by:
C. INTEGRATION
JOCEL O. BADANA, LPT
- 1. Why is important to know how to perform
the addition and subtraction of functions? Teacher
- 2. How can we apply these operations in real Checked by:
life? MELINDA E. JORNADAL, LPT
- Values Integration: Cooperation, Teamwork, Math Coordinator
Truthfulness
 NOTRE DAME OF MLANG, INC.
Garcia St., M’lang, Cotabato
SENIOR HIGH SCHOOL DEPARTMENT
S.Y.: 2024 – 2025

LESSON PLAN IN GENERAL MATHEMATICS

Date: September 17-18, 2022 (f ∙ g)(x) = (4x3) + (−12x2 − x2) +

Lesson: Multiplication of Functions (−8x +3x) + (2)
Time Allotment: 90 minutes
4. Combine similar terms.
I. LEARNING COMPETENCIES (f ∙ g)(x) = (4x3) + (−12x2 − x2) + (−8x
At the end of the period the students +3x) + (2)
will be able to:
 performs addition, subtraction, (f ∙ g)(x) = 4x3 − 13x2 − 5x + 2
multiplication, division, and composition of
functions; Thus, (f ∙ g)(x) = 4x3 − 13x2 − 5x + 2.
 solves problems involving functions;
C. INTEGRATION
II. LEARNING PROCEDURE - 1. Why is important to know how to multiply
A. INTRODUCTION functions?
PRELIMINARIES - 2. How can we apply these operations in real
A. Prayer life?
B. Greetings - 3. What values of St. Marie Rivier that we
C. Checking of Attendance must multiply?
D. Setting of Standards - Values Integration: Cooperation, Teamwork,
Truthfulness
Day 1
Activity 1: Let’s Recall! Day 2
Methodology: PRELIMINARIES
1. Ask the students to answer the following on A. Prayer
their notebooks. B. Greetings
Find the product for each item. C. Checking of Attendance
1. 4(3x – 2) D. Setting of Standards
2. x(5x + 3)
3. 3x(x2 – 3x – 1) D. CLOSING ACTIVITY
4. 4x2(3x – 5)
5. x3(x3 – 2x + 4) Activity 2:
1. Divide students into 5 groups.
B. INTERACTION 2. Give each group, problems to solve.
Guide Question: 3. Ask them to write their answer on the board.
1. How do you multiply a monomial by a Find the product of the functions
polynomial? f(x) = 3x/x−2 and g(x) = x−2/x+3
-Discussion
-How to solve multiplication of Function? III. EVALUATION
-Examples: Worksheet from Quipper
-Let f(x) = 4x − 1 and g(x) = x2 − 3x − 2. A. Find (f ∙ g)(x) for each pair of functions.
-Find (f ∙ g)(x). 1. f(x) = 2x + 6 and g(x) = 3x − 3
1. Substitute the given functions. 2. f(x) = 3x and g(x) = x2 − 2x + 1
(f ∙ g)(x) = f(x) ∙ g(x) 3. f(x) = 3x + 6 and g(x) = 2x2 + x + 4
(f ∙ g)(x) = (4x − 1)(x2 − 3x − 2)
IV. ASSIGNMENT
2. Multiply the expressions. Give at least one problem of division of
(f ∙ g)(x) = (4x − 1)(x2 − 3x − 2) functions.
(f ∙ g)(x) = 4x3 − 12x2 − 8x − x2 + 3x + 2

3. Group similar terms together. Reference: General Mathematics

(f ∙ g)(x) = 4x3 − 12x2 − 8x − x2 + 3x + 2 link.quipper
Materials: worksheets
 NOTRE DAME OF MLANG, INC.
Garcia St., M’lang, Cotabato
SENIOR HIGH SCHOOL DEPARTMENT
S.Y.: 2024 – 2025

LESSON PLAN IN GENERAL MATHEMATICS

Date: November 14-17, 2022 - 2. How can we apply these operations to real
Lesson: Division of Functions life?
Time Allotment: 90 hours - Values Integration: Cooperation, Teamwork,
Truthfulness
I. LEARNING COMPETENCIES
At the end of the period the students
will be able to: Day 2
 performs addition, subtraction, PRELIMINARIES
multiplication, division, and composition of A. Prayer
functions; B. Greetings
 solves problems involving functions; C. Checking of Attendance
D. Setting of Standards
II. LEARNING PROCEDURE
A. INTRODUCTION D. CLOSING ACTIVITY
PRELIMINARIES
A. Prayer Activity 2:
B. Greetings 1. Divide students into 5 groups.
C. Checking of Attendance 2. Give each group, problems to solve.
D. Setting of Standards 3. Ask them to write their answer on the board.
Let f(x) = 2x2 − 7x − 15 and g(x) = x − 5.
Day 1 Find (f/g) (−1).
Activity 1: Divide It!
Methodology: III. EVALUATION
1. On their notebooks, ask the students to create a Worksheet from Quipper
trinomial with the following conditions: a. single Find (f/g)(x) for each pair of functions.
variable (𝑥) b. descending order with a degree of 1. f(x) = x + 3 and g(x) = 2x − 5
2 2. f(x) = 30x and g(x) = 9x2 − 14x + 2
2. Post these three expressions on the board one 3. f(x) = 3x + 6 and g(x) = x2 – 4

a. 𝑥
at a time.

b. 𝑥 + 1
IV. ASSIGNMENT

c. 𝑥 − 3
1. Is there another operation for functions?
2. How does the next operation work?
3. Tell the class that they will be dividing the
Reference: General Mathematics
expression they made by each of the expressions
link.quipper
posted on the board.
4. In each item, let the students exchange their
notebooks. Have them check each other’s work. Prepared by:
JOCEL O. BADANA, LPT
B. INTERACTION Teacher
1. How do we divide polynomials?
Checked by:
2. What are the different methods we use in
MELINDA E. JORNADAL, LPT
dividing polynomials?
3. How do we write the remainder when dividing Math Coordinator
polynomials?

- Discussion
- Drills/Practice

C. INTEGRATION
- 1. Why is it important to know how to divide
functions?