Division
LANAO DEL NORTE
School
DIOSDADO YAP SR. NATIONAL
HIGH SCHOOL
Grade Level
7/8
Teacher
LYNDA LIZA T. ARNEJO
Learning
Area
TLE 7-COMPUTER HARDWARE
AND SERVICING
I. OBJECTIVES
A. Content
Standards
B. Performance
Standards
C. Learning
Competencies /
Objectives.
Write the LC code
for each
II. CONTENT
The learner demonstrates understanding of concepts and underlying principles of
Occupational Health and Safety (OHS) procedures in relation to hazards and risks in
the workplace
The learner consistently observes and practices occupational health and safety
procedures in the workplace.
LO 1. Identify hazards and risks
At the end of the of the lesson the students are expected to:
1. Identify hazards and risks indicators in the workplace.
2. Apply contingency measures in accordance with the OHS procedures.
3. Observe the possible hazard and preventive measures.
TLE_ICTCS7/8OS-0i-1
Indicators of hazard and risks (Common hazards encountered by computer
technicians and users)
III. LEARNING
RESOURCES
A. References
1. Teacher’s Guide
pages
2. Learner’s
Materials pages
K to 12 Basic Education Curriculum Technology and Livelihood Education Learning
Module, COMPUTER HARDWARE SERVICING EXPLORATORY COURSE
Grades 7 and Grade 8, pp. 69-71
3. Textbook pages
None
4. Additional
Materials from
Learning
Resource (LR)
portal
None
B. Other Learning
Resources
https://www.google.com/search?biw=1366&bih=657&tbm=isch&sa=1&ei=VnzbXL6u
KrOUr7wP0aWsoAs&q=Chemical+Hazards&oq=Chemical+Hazards&gs_l=img.3..0j
0i67j0l8.70974.70974..71682...0.0..0.224.224.2-1......1....2j1..gws-wizimg.nbSciHCUu5I#imgrc=Q4JEXDoRfGBArM:
https://www.google.com/search?biw=1366&bih=608&tbm=isch&sa=1&ei=oHzbXJjR
GdmNr7wP7tCq8Ac&q=Physical+Hazards&oq=Physical+Hazards&gs_l=img.3..0i67l
3j0l7.271889.273579..274375...0.0..0.190.190.0j1......2....1j2..gws-wizimg.....0.ksUsQ1-x-Oc#imgdii=WIliJ6zzvssplM:&imgrc=IJf0e178tok9mM:
https://www.google.com/search?biw=1366&bih=608&tbm=isch&sa=1&ei=tX3bXPftE
qvFmAWf2pngDQ&q=Electric+Shock+Hazard&oq=Electric+Shock+Hazard&gs_l=im
g.3..0l3j0i5i30j0i24l6.337559.337559..338554...0.0..0.310.310.3-1......1....2j1..gwswiz-img.iptuEeK5tqc#imgrc=bZStTzPkWMaq-M:
TEACHER’S ACTIVITY
V. PROCEDURES
A.
R
eviewing
previous
lesson or
presenting
the new
lesson
 Greetings
 Classroom Rules and preparing
students for the Class
 Prayer
 Checking of Attendance
 Checking of the Assignment
 Okay class, how are you today?
 Now who can recall our past lesson?
 Very good! What are the three steps
used to managed health and safety
at work?
 Very good! Do you have any
clarification about our past lesson
 Ok class before we move to our new
topic, I would like to show to you
some pictures. I want you to analyze
each picture very carefully because I
am going to ask you questions later
on.
STUDENT’S RESPONSE
 Fine Ma’am, thank you!
 Our past lesson was all about
three steps used to managed
health and safety at work.
 Hazard identification, risk
assessment, and risk control
 None ma’am!
 Students will analyze the
picture carefully
 Drink chemical
 Slide on the floor
 Electric shock
B. Establishing
a purpose
for the
lesson
C. Presenting
examples/
instances of
the new
lesson
 The teacher will ask the following
questions:
 What have you noticed in the picture
first picture?
 Very Good! How about in the second
picture?
 Very good, in the third picture?
 Very Good!
 The first picture is about
chemical hazard
 The second picture is about
physical hazard
 It is about the electric shock
hazard
 Activity No.1
 Play a game called “Scrambled
words”
 Divide the class into two groups
 Each group will be given game
materials which are scrambled
letters.
 Let the students arrange the
scrambled letters of some common
words and as they complete the task
they will put their answer on the
board.
 The first group to guess the correct
word will be the winner.
 I will give you 3 minutes to do the
task
 So if you are ready class, you have a
minute to win it.
 Students will arrange the
following words:
 Common hazards
 Computer technician
D. Discussing
new
concepts
and
practicing
new skills #1
E. Discussing
new
concepts
and
practicing
new skills #2
F. Developing
mastery
(Leads to
Formative
Assessment
3)
 The teacher will discuss common
hazards encountered by computer
technicians and users.
 The teacher will ask the learner to give
examples of the following:
 Physical Hazards
 Mechanical Hazards
 Chemical Hazards
 Electric Shock Hazard
 CRT Monitor High-Voltage Hazard






Activity No. 2
Divide the class into four groups
Each group will do different task.
Direction: Identify the possible
hazard that could occur in different
place and what could be done to
prevent the accident.
Group 1 = Mechanical hazard & CRT
Monitor High-Voltage hazard that
could occur in a computer
laboratory and what could be done
to prevent the accident. (Reporting)
Group 2 = Electric shock hazard that
could occur at home and what could
be done to prevent the accident.
(Draw)
 Students are expected to
listen to the discussion.





cables running across the floor
sharp edges of computer devices
inkjet printer cartridges
unplugged from the wall socket
open CRT monitor
 Students
are
expected
to
analyze and discuss it with their
groups and after 10 minutes they
will present their output.
 Students will do the following
activities and will be rated
accordingly to rubrics.

Group 3 = Physical hazard that could
occur inside the classroom and
what could be done to prevent the
accident. (Create a short song)
 Group 4 = Chemical hazard that
could occur in a science laboratory
and what could be done to prevent
the accident. (Short role play)
 I will give you 10 minutes to do this
task.
 Present your work to the whole
class.
Scoring Rubric
Criteria
Possible
Hazard
5
Possible Hazards
completely and
accurately
assessed
4
All possible
hazards
completely and
accurately but
not clearly
Preventive
measures
3
2-1
All possible hazards
possible Hazard not
completely
completely,
described but
accurately and
clearly
not accurately
Score 15
pts.
described
and clearly
Complete and
Complete,
Complete, not
Not so
doable(practical
correct but not
very correct, not
complete, not
) and correct
very practical
very practical
correct, not
practical
Teamwork/
Participation
The group worked
very well with each
other and the
presentation was
shared equally
among the group
members.
G. Finding
practical
application
s of
concepts
The group worked
well with each
other
and
communicated
well.
Some
members
participated
slightly more than
others.
Group communicated
relatively well with a few
lapses in the
presentation; some
students dominated the
presentation and others
did not participate
much.
 Checking their work
 Okay, who would like to answer first?
Group did not work
well together. There
were
obvious
miscommunications
and lapses in the
presentation.
 Group 1 = Computer
laboratory (Reporting)
Group 2 = At home (Draw)
Group 3 = Inside the
classroom (Create a short
song)
Group 4 = Science laboratory
(Short role play)
H. Making
generalizati
ons and
abstraction
s about the
lesson
 Teacher will ask the following
questions.
 So, upon making all this activities and
discussions what do you think is our
lesson for today?

Very good!

What are the common hazards
encountered by computer technicians
and user?
 Ma’am, it is all about common
hazards encountered by
computer technicians and
users.
 Physical Hazards Mechanical
Hazards
Chemical Hazards
Electric Shock Hazards


I.
Evaluating
learning
Very good!
So, any questions?
 None Ma’am!
Directions: Match Column A with Column B. Write only the letter of each correct
answer on a separate sheet of paper.
Column A
Indicate special
cases including
but not limited to
continuation of
lesson plan to the
following day in
case of reteaching or lack
of time, transfer
of lesson to the
following day, in
cases of class
suspension, etc.
VI. REFLECTION
Reflect on your
teaching and
assess yourself
as a teacher.
Column B
1. cables running across the floor
a. mechanical hazard
2. hot components or sharp edges of computers
b. physical hazard
3. inkjet printer cartridge
c. electric shock hazards
4. exposed power cable
d. chemical hazard
5. open casing of computer monitor
hazard
V. REMARKS
CRT Monitor High-Voltage
Hazards
e.CRT monitor high voltage
Think about your
student’s
progress. What
works? What else
needs to be done
to help the
students learn?
Identify what help
your instructional
supervisors can
provide for you
so when you
meet them, you
can ask them
relevant
questions.
Indicate below
whichever is/are
appropriate.
A. No. of learners
who earned 80%
on the formative
assessment.
B. No. of learners
who require
additional
activities for
remediation.
C. Did the
remedial lessons
work? No. of
learners who
have caught up
with the lesson.
D. No. of learners
who continue to
require
remediation
E. Which of my
teaching
strategies worked
well? Why did
these work?
F. What
difficulties did I
encounter which
my principal or
supervisor can
help me solve?
G. What
innovation or
localized
materials did I
use/discover
which I wish to
share with other
teachers?