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Goldenstate

School Colleges Grade Level 7

Teacher Lovely Balila Section ES


Teaching Dates Learning Area MATH
Time 5:00-6:20 pm Quarter 1st

I. OBJECTIVES

A. Content Standards The learner demonstrates understanding of key concepts of sets


and the real number system.
The learner is able to formulate challenging situations involving
B. Performance sets and real numbers and solve these in a variety of strategies.
Standards
C. Learning
Competencies Perform fundamental operations on integers. M7NS-Ic-d-1

Operations of integers
II. TOPIC

III. LEARNING
RESOURCES

A. References
Book
1. Teacher’s Guide Pages 34-45

2. Learners’ Materials 1. Elementary Algebra I. 2002. pp. 34-45*


Pages 2. NFE Accreditation and Equivalency Learning Material. Real
Numbers. 2000. pp. 12-20
3. OHSP Math 1 – Quarter 1, Module 1.4: Properties of Addition
4. OHSP Math 1 – Quarter 1, Module 1.5: Addition & Subtraction
of Integers
3. Textbook Pages

4. Additional Materials from


LR Portal
B. Other Learning Visual Aids
Resources

IV. PROCEDURE
PRELIMINARY Prayer:
ACTIVITIES
1. The teacher will ask a student to lead the prayer.
“Heavenly Father,
Thank you for the blessings that you given us. I hope this
day we can gain more knowledge and wisdom we need
to understand our lesson. Please Guide our teacher to
teach us the lesson and we will be easily understood.
This is our prayer, in the name of Jesus, Amen.”

Greetings:

1. The teacher will greet the students and vice-versa.


“Good morning everyone!”

Attendance:

1. The teacher will look on the seat plan to check who are not
present.
“Okay! No one is absent for today.”

Classroom Management:

1. The teacher will remind the rules to be followed during class


hours.
a. Pick up pieces of paper around your seats.
b. Learn to participate during classes.
c. Do not talk when some is still talking. Learn to listen.
d. Raise you right hand when you want to answer.
e. Anyone who's not on their seats would be
considered absent.

Passing of Assignments:

1. The teacher will let the student’s pass their assignments


about the previous lesson.
“pass your assignments in front ”

Review:

1. The teacher will ask student’s their stock knowledge about


addition and subtraction.
“What is?”
1. 2+3
2. 4-3
3. 9+10
4. 8-11
5. 0-4

Motivation:
The teacher will ask these following questions:
A1. ACTIVITY 1. Who among you here encountered negative numbers?
2. Do you believe it exists?
3. What happens if we add negative and positive numbers?
Reading of Objectives:
1. The teacher will ask the class to read the following
objectives:
At the end of the lesson, the learners will be able to:
a. Perform fundamental operations on integers.

Activity: (Group)

1. The teacher will give a group activity


FLASHCARD
Direction: The class will be grouped into four groups. Each group
has cards and they solve the problem written in the cards and form
a word based on the given number of each letter.
“ INTEGER”
I= 4 2+2= I
N= -5 2+(-7)= N
T= 7 10-3= T
E= 9 3+6= E
G= 6 -4 +10= G
E=9 -2+11=E
R= -7 0-7= R

A2. ANALYSIS Follow Me!


1. The teacher would ask the class the following questions:
a. Based on the activity, what did you notice?
b. How did you derived your answer?
c. Do you think -9 is an integer?

A3. ABSTRACTION Discussion:


1. The teacher will discuss the operation of integer in the
class.
What are integers?
Integers are zero and all the positive and negative whole
numbers.
Adding Integers
Integers with the Same Sign
Adding integers that have the same sign is pretty straightforward.
Add the two numbers together and maintain the sign.
Ex. 2+5=7
Both numbers are positive so we add the numbers together and
number remains positive.
Ex. -3+(-5)= -8
Both addends are negative, so we add them together and maintain
the negative sign.
Integers with Different Signs
When adding integers with different signs, ignore the signs at first
and subtract the smaller number from the larger. The final sum will
maintain the sign of the larger addend.
Ex. -3+ 8= 5
Since we are adding two numbers with different signs, ignore the
signs and we are left with 3 and 8. The number 3 is smaller than 8
so we subtract 3 from 8 which give us 5. Of the two addends, 8
was the larger and was positive, so the final sum will be positive.
Thus, our final sum is 5
Ex. -8+ 3= -5
In this example, when we ignore the signs, the number 8 is greater
than 3. Therefore, subtract 3 from 8 which gives you 5. Since 8 is
the greater number and is negative, the sum will be negative; thus
the final sum is -5

Sign of Sign of Sign of sum How to


addend 1 addend 2 compute
sum
+ + + add
- - - add
+ - Sign of larger Subtract
addend smaller
addend from
the larger
- + Sign of larger Subtract
addend smaller
addend from
the larger

Subtracting Integers
Change the sign of the subtrahend, And then add the two integers.
Since we are adding two integers of the same sign, we add and
maintain the sign.
Ex. -22-2
= -24
In this problem, we are subtracting 2 from – 22. The subtrahend 2
is positive. So we can rewrite the problem for clarity. Change the
sign of the subtrahend; then add. Both numbers are negative so
we add and maintain the sign.
EX. -9-(-3)
= -9+(+3)
= -6
Subtract from -3 from -9. Change the sign of the subtrahend then
add. Since one number is negative and the other positive, we
remove the signs and subtract the smaller number from the larger.
Since the sign of the larger number was negative, the final answer
is negative
A4. APPLICATION Activity: (group)
1. The teacher will give an activity to the students.
Direction:
In a ¼ sheet of paper, answer the following problem.
1. 5+(-5)
2. 6+10
3. 4-5
4. -7+9
5.-10+10
VALUING 1. The teacher will ask reflective question.
Question:
a. What is the importance of integers in our daily lives?
b. Did you experience positive and negative situation?
c. How can you relate your experience to the integers?

EVALUATION 1. The teacher will give a short quiz for the students.
Assessing learning Direction: Answer the following questions in a 1/2 sheet of paper.
Find the sum or difference
Adding Integers
1) 85 + (-96) = _____
2) 80 + 57 = _____
3) 86 + (-38) = _____
4) 22 + (-41) = _____
5) -18 + (-45) = _____
6) -32 + 48 = _____
7) 6 + (-33) = _____
8) 6 + (-47) = _____
9) (-78) + 69 = _____
10) -72 + (-30) + 10 = _____
Subtracting Integers
1) 1 – 3 = _____
2) 2 – (-5) = _____
3) 6 – (-9) = _____
4) -7 – (-1) = _____
5) -7 – 4 = _____
6) 3 – (-2) = _____
7) -1 –9 = _____
8) 2 – 9 = _____
9) -8 – (-1) = _____
10. Bonus

AGREEMENT 1. The teachers will ask students to advance study the next
topic.

V. REMARK

Prepared by: your name

Checked and Evaluated By:

___________________________

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