Republic of the Philippines
Department of Education
PUBLIC TECHNICAL-VOCATIONAL
HIGH SCHOOLS
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY: USE BASIC HAND TOOLS
MODULE TITLE: USING BASIC HAND TOOLS
LEARNING CONCEPTS/COMPETENCIES
LEARNING
OUTCOMES
(LO)
ASSESSMENT
CRITERIA
LO1: SELECT
HAND TOOLS
1.1 Hand tools are
selected
appropriately in
accordance with
job requirement.
1.2 Unserviceable
and defective
tools are identified and marked
for repair
according to
procedure.
TECHNOLOGY
Select and classify hand
tools.
-measuring tools
-cutting tools
-driving tools
-holding tools
Mark defective hand tools.
5S Implementation
SCIENCE
MATH
ENGLISH
LEARNING
ACTIVITIES
Y1
- Discuss work and
advantages derived
from handtools
Y2
Identify
relationship in real
life that are direct,
direct square,
inverse and joint
variations
Y2
Define technical
terms with
illustrations
TECHNOLOGY
Select tools
needed in the task
to ensure good
and safe working
tools.
- Cite the importance
of the simple handtools found in the
shop
Note: the LC above
is applied to Ac 1.2
MATH
Solve problems on
different types of
variations in
connection with
selection and
classification of
hand tools.
ENGLISH
Matching
illustrations to
definitions
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
What are the types and
uses of hand tools
utilized in welding
shop?
What are the common
hand tool defects?
MATH
Why is there a need to
relate variation in the
selection of tools?
Show how?
ENGLISH
What must be
considered in writing
definition effectively?
1
SCIENCE
Group Work
Each group will
select and explain
the appropriate
hand tools
displayed on the
table for the
specific task
assigned to them.
Explain why we
need to identify
and label defective
tools.
LO2: USE
HAND TOOLS
2.1 Hand tools are
used to produce
desired outcomes
in compliance of
job specifications.
2.2 Tasks are performed in
accordance with
workplace
procedures
Use of hand tools
Tasks
-
Adjusting
-
Dismantling
- Polishing of
parts/components
Y1
Discuss work and the
advantages derived
from machines
- cite the importance
of the simple
machines found in
the hand tools
Y1
Convert fraction
to decimal and
vice versa
Y2
Use sentences
according to
function
SCIENCE
Why do we need to use
the appropriate hand
tools for welding?
Do we need to
identify and label
defective tools?
Explain your answer.
TECHNOLOGY
Prepare and use
hand tools
according to job
specifications.
Perform task in
accordance with
company or
industry safety
procedure.
TECHNOLOGY
How would you
perform safe handling
of tools?
MATH
Play games on
fractions in
relation to
adjusting/
dismantling of
hand tools.
MATH
Do your knowledge
and skills in fraction
help you in using the
hand tools properly?
Why?
ENGLISH
Demo-simulation
on using sentences
according to
ENGLISH
What are the functions
of sentences ?
How do you apply
company or industry
safety
procedure in the use
and handling of tools.
2
functions
LO3:
MAINTAIN
HAND TOOLS
3.1 Routine
maintenance of
hand tools is
undertaken
according to
standard operating
procedure.
3.2 Hand tools are
stored in designated location in
accordance with
workplace procedure.
Routine maintenance
- Lubricating
- Tightening
- Simple tool repair
- Hand sharpening
- Cleaning
Proper storage of hand tools
(5S implementation)
Y1
Differentiate the
observable
characteristics of
metals and nonmetals based on
properties
Y1
Differentiate the
observable
characteristics of
metals and nonmetals based on
properties
Cite some importance
in knowing/
understanding the
characteristics of
some hand tools
Y3
Measure volume
Y2
Transcode
information from
linear to nonlinear text
SCIENCE
Brainstorming
Cite as many as
you can, real life
situations wherein
machines help us
do our work
SCIENCE
What will happen if
machines were not
invented?
TECHNOLOGY
Keep and maintain
hand tools
Understand
operating
procedure for
storing tools
safely.
TECHNOLOGY
How do you apply
maintenance for various
types of hand tools?
How do lubricants
lessen friction?
MATH
Measure the
amount of
lubricants used in
maintaining hand
tools.
MATH
Why is there a need to
measure the amount of
lubricants in
maintaining the hand
tools?
ENGLISH
Lecturette on
translating details
in a chart/table
into narrative
report
ENGLISH
How do you translate
details in a chart/table
into narrative report?
3
SCIENCE
Interactive
Engagement
Identify the
metal/non-metal
from the displayed
materials and
explain why?
SCIENCE
How do we maintain
basic hand tools?
Shop Visit
and/or internet
search/library for
information on
proper storing of
tools
Why is it necessary to
store specific tools in
its proper place?
4
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY: PREPARE WELD MATERIALS
MODULE TITLE: PREPARING OF WELD MATERIALS
LEARNING CONCEPTS/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
(LO)
LO 1. SET UP
CUTTING
EQUIPMENT
1.1 Cutting
equipment is set
in conformity
with the
acceptable
occupational
health & safety
standards.
1.2 Cutting
equipment
fittings,
connection and
power source are
checked in
accordance with
workplace
procedure.
Parts and
function of
cutting
equipment.
Procedures in
setting up of
cutting
equipment.
Procedure in
checking the
accuracy of
cutting
equipments
Occupational
health and safety
standards.
Y1
Practice
precautionary
measures in the
laboratory
Cite other
instances
wherein safety
measures are
needed
Y4
Trace the
electrical
connections from
the meter to the
appliances (For
mechanical and
manual cutting).
Demonstration of
electrical cutting
equipment
Y1
Manifests ability in
communicating and
translating ideas
to/from verbal and
symbolic forms
ENGLISH
LEARNING
ACTIVITIES
Y2
Give warnings and
precautionary
measures
TECHNOLOGY
Prepare/ check set-up
cutting equipment in
conformity with the
acceptable
Occupational Health
& Safety standards.
Explain orally the
parts and function of
cutting equipment
based from the
illustration
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
What is the importance
of preparing and
checking set-up cutting
equipment in conformity
with the Occupational
Health & Safety
standard?
What are the parts and
functions of cutting
equipments?
MATH
Play games and puzzle
on communicating
and translating ideas
to/from verbal and
symbolic forms
involving cutting
equipment.
MATH
How does
communication
skills(verbal and
symbolic forms) help
you understand in setting
up cutting equipment?
ENGLISH
Group discussion on
the DO’s and the
DONT’s
ENGLISH
What are the importance
of modals?
5
LO 2. CUT
AND PREPARE
EDGE OF
MATERIALS
2.1 Materials are cut
to specified
dimensions/
specifications.
2.2 Tasks are
performed in
accordance with
the job requirement
Cutting materials
with different
processes:
Oxy-acetylene gas
cutting equipment
(manual and
automatic)
Occupational
health and safety
procedure.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Note: the LC
above is applied
to AC 2.2
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures
Y2
Compare and contrast
the processes done.
SCIENCE
Brainstorming
Group I – gas cutting
Group II –mechanical
cutting
Group III –manual
cutting (by grinding)
SCIENCE
Why are safety measures
always considered when
dealing with cutting
equipment?
Hands on, Minds on
Observe and
manipulate proper
electrical connections
and power source
using a simple gadget.
Discuss further.
TECHNOLOGY
Cut and prepare edge
of materials with
mastery at prescribed
dimensions
/specifications.
Write sentences
showing the
distinction of various
cutting materials.
Why do we need to
check first the electrical
connections and power
source of the cutting
equipment?
TECHNOLOGY
What are the specified
dimensions or
specifications in cutting
and preparing edge
materials?
Why should cutting and
preparing edge of
materials be in
conformity with a given
standard?
What are the different
cutting equipment/
machine to a certain
job/metals?
6
MATH
Solve problems in
measuring plane and
solid figures involving
area, volume, and
perimeter in relation
to the dimension of
materials.
Applying the formula
in finding the area,
perimeter of plane and
solid figures.
MATH
What are the specified
dimensions per
specifications in cutting
and preparing edge
materials?
Why is there a need to
measure the area,
volume and perimeter of
the weld materials?
ENGLISH
Search for best
product/ performance
using comparison of
adjectives
ENGLISH
How do you
assess/describe the
product or
performances?
SCIENCE
Internet Research
Regarding the proper
preparing and cutting
edge of materials in
specified dimensions.
Discuss further
SCIENCE
How do we cut and
prepare edge of
materials in specified
dimensions? Why
should we be careful in
cutting edge of
materials?
7
LO 3. PREPARE
WELDING
CONSUMABLES
3.1 Electrodes are
maintained/kept
in electrode oven
based on
prescribed
temperature.
3.2 Consumable
gases are specified and
controlled in
accordance with
job requirements
3.3 Correct materials
are selected in
accordance with
job requirements
Maintenance of
electrode/
welding rods
Occupational
health and safety
standards.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y2
Define terms using
Dictionary or
Glossary
TECHNOLOGY
Select and prepare
materials according to
job specifications.
Describe the different
consumable materials
and its properties
Enumerate the safe
working practices in
preparing
consumables.
TECHNOLOGY
What are consumable
materials?
What are the ways of
maximizing the use of
consumables?
What property of metal
and gas should the
learner consider in
preparing welding
consumable?
ENGLISH
Glossary making
ENGLISH
How do you write an
effective definition of
terms?
SCIENCE
Internet
Search information in
preparing consumable
welding electrode as
well as its chemical
composition
SCIENCE
How and why do we
prepare welding
consumable?
How do we select
materials for a specific
job?
Film Showing about
Flammable, nonflammable and
consumable gases .
Select which of these
gases is the right
materials for welding
8
LO 4. CLEAN
SURFACES
AND EDGES
4.1 Surfaces and
edges are cleaned
based on the
required specifications.
Procedure and
techniques of
preparing plates
for welding.
4.2 Equipment and
tools are
identified for
cleaning surfaces
and edges.
Equipment and
tools for preparing
plates edges.
4.3 Tasks are
performed in
accordance with
company or
industry
requirements.
Occupational
health and safety
standards.
Y1
Discuss the
importance of
scientific
values in
decision making
and problemsolving in daily
life.
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures.
Surface area of a
cube, rectangular
prism, pyramid,
cylinder, cone and a
sphere
Y2
Use imperative form
of the verbs
TECHNOLOGY
Demonstrate cleaning
surfaces and edges of
metals following
specification and
safety procedures.
Write a paragraph
describing a process
on cleaning surfaces
and edges
TECHNOLOGY
What are the procedures
in preparing plates for
welding?
Why is there a need to
clean edges or surfaces
to a required
specification?
MATH
Solve problems
involving surface
area of a cube,
rectangular prism,
cylinder, cone, and a
sphere in relation to
cleaning surfaces and
edges.
MATH
Why is there a need to
determine the surface
area of the weld
materials?
ENGLISH
Use action verb to
explain a procedure
Make an interview
about the importance
of clean surfaces and
edges
ENGLISH
What form of the verb
is used in giving
instructions?
(Role Playing)
Giving instructions
using imperative
form of the verb.
SCIENCE
Role playing
Show how equipment
and tools are
identified for cleaning
surfaces and edges
SCIENCE
Why do we need to
identify equipment and
tools for cleaning
surfaces and edges?
9
LO 5. PREPARE
WELDING
PROTECTIVE
EQUIPMENT
5.1 Personal
Protective
Equipment
(PPE) is used in
accordance with
the occupational
safety
requirements and
standards.
5.2 Welding safety
and protective
equipment are
checked in
accordance with
safety procedures
Procedure and
techniques in
checking
protective
equipment
Safe working
practices and
handling of
protective
equipment.
Occupational
health and safety
procedure.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
NOTE: The
above LC is
applied to AC
5.2
Y2
Define technical terms
using illustrations
TECHNOLOGY
Prepare and check
personal protective
equipment in
accordance with
Occupational Health
& Safety standards.
Identify factory defect
and wear.
Write a letter of
complaint to the store
owner.
TECHNOLOGY
What are the personal
protective equipments
and identify their uses?
ENGLISH
Matching illustrations
to definitions
ENGLISH
What must be
considered in writing
definition effectively?
SCIENCE
Internet research
Search information on
proper welding
protective equipment.
Presentation of
findings.
SCIENCE
Why do we need to
prepare welding PPE?
10
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY: SET UP WELDING EQUIPMENT
MODULE TITLE: SETTING UP OF WELDING EQUIPMENT
LEARNING CONCEPTS/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
ENGLISH
(LO)
LO 1. SET UP
1.1 Welding machine Parts and
Y1
Y3
Y2
WELDING
parts are
functions of
Practice
Apply the formulas
Listen attentively to
MACHINE
identified based
Shielded Metal
precautionary
for the measurements obtain/highlight
on
Arc Welding
measures in the
of area and perimeter important points
manufacturers’
(SMAW)
laboratory
of plane figures
manual.
Procedure in
1.2 Setting of
setting up of
welding machine welding machine.
is followed
according to
Types of welding
Y4
power source
power source:
Discuss and
requirements
practice safety
AC Power source
measures in
dealing with
DC-power source electricity
DC+ power
source
Differentiate AC
power from DC+power source
LEARNING
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
Attach terminals to
power source.
Note:
List down/record
salient point in setting
up welding machine.
Cut process in
newspaper showing
different simple
machine as cutting
equipment
Make a circuit
diagram in setting up
welding machine
TECHNOLOGY
What are the parts and
function of welding
machine (SMAW)?
MATH
Measure the required
area and perimeter
involving setting up
welding machine.
MATH
Why do you need to
measure the area and
perimeter before setting
up the welding machine?
ENGLISH
(Outlining activity)
Listening to an
informative talk using
audio-visual aids
ENGLISH
How do you obtain
important points from
the talk?
What are the guidelines
in setting up welding
machine?
11
SCIENCE
Role playing
Show how to set and
prepare welding
machine. Discuss
further.
SCIENCE
Why do we need to
identify parts of a
machine before setting
up?
Observe and explain
Observe and identify
which of the given
examples supply AC
power/DC power.
Explain your answer
Why do we need to
follow the power source
requirements of a given
machine before setting
up?
12
LO 2. SET UP
WELDING
ACCESSORIES
2.1 Welding
cables/wires and
other accessories
are identified
based on
functions and
uses.
2.2 Setting/connecting of cables and
other accessories
are performed in
accordance with
manufacturer’s
manual.
Parts and functions
of welding cables.
Procedures in
setting of welding
cables /accessories
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y2
Organize information
logically.
TECHNOLOGY
Review wiring
connection.
Inspect welding
accessories according
to manufacturer’s
specification.
TECHNOLOGY
What are the parts and
functions of welding
machine accessories?
What are the guidelines
in setting up welding
accessories?
Is your knowledge in
performing the four
fundamental operations
guide you in
setting/connecting
welding accessories?
Why?
Y4
Apply ohms law
to series and
parallel circuits
- identify the
components
of a simple
circuit
- differentiate
series from
parallel
circuit
Y1
Perform
fundamental
operations on
integers
ENGLISH
Flowcharting of
information obtained
from a text
ENGLISH
Why is a flow chart
important in an
informative text?
SCIENCE
Demonstrating
appropriate setting
and identifying of
welding accessories
based on function &
uses.
SCIENCE
Why is there a need to
set up and identify the
cables/wires and other
accessories based on
functions and uses?
MATH
Solve problems on
the fundamental
operations on
integers in relation to
setting/connecting of
cables and other
accessories.
MATH
Are your knowledge and
skills in performing the
four fundamental
operations on integers
guide you in
setting/connecting
welding accessories?
Why?
SCIENCE
13
Construction
Construct and design
a simple circuit, a
series and a parallel
connections
SCIENCE
Why does
setting/connecting of
cables/wires and other
accessories are
performed?
14
LO 3. SET UP
WELDING
POSITIONER,
JIGS AND
FIXTURES
3.1 Welding
positioners, jigs
and fixtures are
set up in
conformity with
job requirement.
Types of welding
positioner, jigs
and fixture.
3.2 Work items
/materials are
protected from
strong winds,
drafts and
rainfalls.
Uses and
function of
positioner, jigs
and fixtures
Different kind of
jigs and fixtures
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Strategic weld
locations and
places.
Y1
Discuss work and
the advantages
derived from
Jigs/fixtures
-identify the
techniques in
setting up a
welding
positioner, jigs
and fixtures
Y3
Illustrate different
kinds of angles
Y2
Give instructions
clearly using sequence
signals
TECHNOLOGY
Set-up braces,
stiffeners, rails, and
other jigs based on
welding standards to
protect materials from
any form of casualties.
TECHNOLOGY
What are the different
types and uses of
welding positioner, jigs
and fixture?
MATH
In small group, build a
pyramid made of
drinking straws,
triangular in shape and
determine the kinds of
angles formed.
MATH
Identify which of the
triangular pyramid is the
most stable and why?
ENGLISH
(Role Playing) Giving
instructions using
sequence signals
ENGLISH
Why are sequence
signals important?
SCIENCE
Demonstrating proper
set up of welding
positioner, jigs and
fixtures
SCIENCE
Why do w need to set up
of welding positioner,
jigs and fixtures?
What are the guidelines
in setting up welding
positioner, jigs and
fixtures?
15
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
SURFACE WELDING ON CARBON STEEL
MODULE TITLE: LAYING OUT BEADS ON CARBON STEEL PLATES
LEARNING CONCEPTS/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
(LO)
LO1. STRIKE
AN ARC
1.1 Weld procedure
in striking arc is
applied
according to
weld standard.
1.2 Methods of
striking an arc is
applied based on
job requirements
1.3 Welding
electrodes are
identified
according to
classification and
specifications
Procedure in
striking an arc.
Methods of
striking an arc.
Appropriate
electrode
specification.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
ENGLISH
Y4
Y2
Visualize rotation
Use adjectives or
along the unit circle modifiers to describe a
and relate these to
process
angle measures
(clockwise or
counter-clockwise
directions)
- Length of
an arc
Angle
beyond
360° or 2Π
radians
LEARNING
ACTIVITIES
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
Familiarize oneself
with the types of
metals and electrode.
Discuss the methods
and procedures of
striking an arc, and
transform the
statement by using the
yes/no and whquestions.
Prepare a written
report on properties of
metal
TECHNOLOGY
What are the different
methods and procedures
applied when striking an
arc?
MATH
Solve problems on
circle involving
angles, length of an
arc and radius in
relation to welding
procedure.
MATH
What is the importance
of angle measurement to
welding procedure?
ENGLISH
Game on describing a
process.
ENGLISH
Why are descriptive
adjectives important?
SCIENCE
SCIENCE
Why do we need to
follow standard
operating procedures in
striking an arc?
Demonstrate proper
application of
procedures and
methods in striking an
arc.
What are the type of
angle according to
measure?
What properties of metal
are associated with
striking an arc?
16
LO2. DEPOSIT
STRAIGHT
BEAD
2.1 Uniformity of
bead ripples is
checked in
accordance with
welding
standards.
2.2 Stringer or
straight beads are
deposited in
accordance with
welding
standards
2.3 Finish weldment
is performed
based on
acceptable
standards for:
 Spatter
Essentials of
welding
International
welding codes
and standards
Acceptable weld
profiles
Weld defects,
causes and
remedies
Welding
Procedure
Specification
(WPS)
Welding
techniques and
procedure
 Slag

 Uniformity of
beads
Y3
State and apply the
formulas for the
measurements of
plane figures
- Distance
- Perimeter
- Area
Y2
Convey messages by
transcoding
information from
linear to non-linear
text
TECHNOLOGY
Construct assessment
criteria in checking
bead deposits.
TECHNOLOGY
What properties of metal
are associated with the
deposit straight bead?
MATH
Solve problems on
distance, perimeter
and area in relation to
uniformity of bead
ripples.
MATH
What are the formulas in
finding the distance,
perimeter and area of
plane figures in relation
to laying out beads on
carbon steel plates?
ENGLISH
ENGLISH
Construct sentences
on weld defects, their
causes and remedies
using conditional
clause.
Why do details in
graphic organizer need
to be translated into
narratives/paragraphs?
Writing and editing
the narrative reports.
Safe welding
practices
17
18
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
FIT UP WELD MATERIALS
MODULE TITLE:
FITTING UP WELD MATERIALS
LEARNING CONCEPT/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
(LO)
LO1:
PERFORM
TACK
WELDING
1.1 Tack welding is
performed in
accordance with
the welding
procedure.
1.2 Metals are prefor tacking based on
acceptable welding
requirements
Kinds of tacking
Welding procedure
standard
requirement.
Codes and
specification.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
Determine the
measure of an
angle using a
protractor and
illustrate different
kinds of angles
ENGLISH
LEARNING
ACTIVITIES
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
Y2
Write a narrative
report using past tense
of the verb
TECHNOLOGY
Apply tack welding
procedure according
to working plan.
TECHNOLOGY
How do you assess the
result of an acceptable
tacking?
Log reports on the
performance of tack
welding using present
tense of the verb
What are the kinds of
tacking?
Make a report about
the properties of metal
which learner should
apply to weld butt
joint.
MATH
Measure angles using
protractor and give the
kinds of angles
involving tack
welding.
MATH
How are your
knowledge and skills on
measuring angles and
determining the kinds of
angles guide you in tack
welding?
ENGLISH
Story telling using
past tense of the verb.
ENGLISH
What is the importance
of using past tense of the
verb?
19
SCIENCE
Demonstrate proper
application of
procedure and
methods in tack
welding. Discuss it
further
SCIENCE
Why do we need to
perform tack welding?
20
LO2:
WELD BUTT
JOINT
(CLOSED) IN
FLAT AND
HORIZONTAL
POSITION
2.1 Uniformity of
bead ripples are
checked in
accordance with
welding
standards.
Essentials of
welding
International
welding codes
and standards.
Acceptable weld
profiles
2.2 Stringer beads
are performed in
accordance with
welding
standards.
Weld defects,
causes and
remedies.
Welding
procedure
specifications
(WPS)
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Y2 & Y4
Solve problems
using distance
formula
Y2
Transcode information
from linear to nonlinear text
TECHNOLOGY
Perform tack weld
using proper bead
appearance.
Give instructions on
performing tack weld.
TECHNOLOGY
What are the techniques
and procedures applied
when welding butt joint
(closed) in flat and
horizontal position?
What are the different
weld defects and their
corresponding remedies?
MATH
Solve problems
applying the distance
formula given:
MATH
What is the formula in
finding distance from
one point to another?
-
two-points
equation of a
line and one
point
systems of
equations
How do you find the
distance between two
points?
ENGLISH
Write a paragraph on
“how to weld eroded
butt joint, flat and
horizontal position
using appropriate
transition markers.
ENGLISH
How do you translate
details in a chart/tables
into paragraph?
2.3 Finished
weldment is
performed based
on acceptable
standard.
Welding
techniques and
procedure
Safe welding
practices.
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Why is there a need to
determine the distance
between bead ripples?
Lecturette on
translating details in a
chart/table into
paragraph.
21
SCIENCE
SCIENCE
Make a research about
the properties of
metal.
What properties of metal
are used in weld closed
butt joint?
Demonstrate proper
application of
procedures and
methods in weld butt
joint (closed) in flat
and horizontal
position
Why do we need to
follow standard
operating procedure in
weld butt joint (closed)
in flat and horizontal
position?
22
LO3: WELD
OPEN BUTT
JOINT IN
FLAT AND
HORIZONTAL
POSITION
3.1 Uniformity of
bead ripples is
observed in
accordance with
welding
standards
Essentials of
welding
3.2 Stringer or
layered beads
are deposited in
accordance with
welding
standards
Acceptable weld
profiles
3.3 Finished
welment is performed in
accordance with
welding
standards for:
Welding
procedure
specifications
(WPS)

Spatters

Slag

Uniformity
of Beads
International
welding codes
and standards.
Weld defects,
causes and
remedies.
Welding
techniques and
procedure
Safe welding
practices.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
Define and illustrate
parallel lines
Y2
Use imperative form
of the verb to give
instructions.
TECHNOLOGY
Maintain the welding
position of metal.
TECHNOLOGY
What are the techniques
and procedure applied
when welding closed
butt, joint in flat and
horizontal position?
What are the different
weld defects and their
corresponding remedies?
ENGLISH
Write a paragraph on
“how to weld butt
joint (open) flat and
horizontal position
using appropriate
transition markers
ENGLISH
What form of the verb is
used in giving
instructions?
Giving instructions
using imperative form
of the verb through
role playing.
SCIENCE
SCIENCE
Make a research about
the properties of
metal.
What properties of metal
are used in welding open
butt joint?
Demonstrate proper
application of
procedure and
methods in weld open
butt joint in flat and
horizontal position.
Why do we need to
follow standard
operating procedures in
weld butt joint (open) in
flat in horizontal
position?
MATH
Make a journal on
parallel lines in
relation to welding
standard.
MATH
How does your
knowledge and skills on
parallel lines guide you
to weld butt joint in flat
and horizontal position?
23
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
REPAIR WELD
MODULE TITLE:
REPAIRING WELD
LEARNING CONCEPTS/COMPETENCIES
LEARNING
OUTCOMES
(LO)
LO1: MARK
/LOCATE
WELD
DEFECTS
ASSESSMENT
CRITERIA
1.1 Location of weld
defects are
identified
/determined in
accordance with
industry standard.
TECHNOLOGY
Types of welding
defects.
Procedure in
locating weld
defects.
Weld defects
identification.
1.2 Weld defects are
marked for repair
in accordance with
industry standard.
1.3 Procedure in
locating weld
defects are applied
as per approved
procedures.
SCIENCE
MATH
Y1
Make qualitative
observations given
a situation or
material or when
watching events.
Identify weld
defects or cracks.
Use tabular and
graphical form in
recording weld
defects.
Y1
Make qualitative
observations given
a situation or
material or when
watching events.
Identify weld
defects or cracks.
Y1
Make qualitative
observations given
a situation or
material or when
watching events.
Identify weld
defects or cracks.
ENGLISH
Y2
Follow directions to
locate an item
LEARNING
ACTIVITIES
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
Gather information on
how to locate weld and
mark weld defects.
TECHNOLOGY
How are weld defect
marked/located?
Why is there a need to
locate/mark weld defects?
How will you determine
and identify a weld defect
in accordance with
industry standards?
What are the types of
welding defects?
What are the guidelines or
procedure in identifying
and locating weld defects?
ENGLISH
ENGLISH
Make written and oral
reports on weld defects.
How do you locate an
item?
Y1
Construct table of
values for x and y
given a linear
equation in two
variables,
Ax + By = C
Listening to text using
locational map.
SCIENCE
Visual examinations
Examine weld
specimen
Mark the present of
cracks or defects
Find out if weld need
repair
SCIENCE
Why do we need to mark
and locate weld defects?
24
Apply physical and
chemical properties of
metal in marking and
locating weld defect.
MATH
MATH
Record defects using
tabular and graphical
form.
How will you interpret the
table of values in relation
with industry standard?
Complete the table of
values given x as the
industry standard
relative to identifying
weld defects for repair.
25
LO2:
PREPARE
TOOLS AND
EQUIPMENT
2.1 Tools and
equipment are
prepared in
conformity with
the job
requirements
Tools and
equipment and
their uses
Procedures in
checking tools and
equipment.
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y2
Follow instructions
using sequence signals
Collect picture of some
simple machines.
3.1 Weld defects are
removed
/excavated in
accordance with
welding
procedure.
Visual Inspection
routine
Dye penetrant
testing principle and
applications.
Y1
Y2
Discuss the
Solve rational
importance of
algebraic equations
scientific values in and check for
decision making
extraneous solutions
and problemsolving in daily life
Procedures of dye
penetrant testing.
3.2 Removal of non- Weld defects
defective welds is removal and
minimized
and excavation.
cleaned.
Y1
Discuss the
importance of
scientific values in
decision making
and problemsolving in daily life
TECHNOLOGY
What are the tools and
equipment used in
removing weld defects in
accordance with
requirements?
What are the simple
machines used in
removing weld defects?
2.2 Tools and
equipment are properly
checked in accordance
with the job
requirements
LO3.
REMOVE
WELD
DEFECTS
TECHNOLOGY
List information on the
proper preparation of
tools and equipment.
Y2
Use feedback to
improve given work
ENGLISH
Game on following
directions.
ENGLISH
What is the importance of
sequence signals?
SCIENCE
Role playing
Show proper preparing
of tools and
equipments. Discuss
further
SCIENCE
Why do we need to
prepare tools and
equipment?
TECHNOLOGY
TECHNOLOGY
Identify, remove and
excavate weld objects.
What are the ways of
removing and excavating
weld defects in
accordance with welding
procedure?
MATH
MATH
Solve problems on
rational algebraic
equations and
determine the
extraneous solutions in
relation to the removal
of weld defects.
How are your
knowledge and skills in
determining the
extraneous solution help
you in removing weld
defects?
26
3.3 Visual and dyepenetrant tests are
performed
to
verify the extent
of removal of
defects
Y1
Discuss the
importance of
scientific values in
decision making
and problemsolving in daily life
ENGLISH
ENGLISH
Peer checking.
What is the use of
feedback?
Construct sentences on
weld defects and
excavation showing
cause and effect
relationship.
SCIENCE
SCIENCE
Demonstrate proper
removal of weld
defects. Explain
further.
How and why do we
remove weld defects?
Show understanding of
the compactness of
molecules in a metal
through observation.
27
LO4.
PERFORM REWELDING
4.1 Re-welding is
performed in
accordance with
approved repair
procedure.
Rectifying weld
defects
Re-welding
procedure
Visual inspection of
weld
Y1
Discuss the
importance of
scientific values in
decision making
and problemsolving in daily life
4.2 Weld is visually
checked after rewelding for
acceptability
Discuss the
importance of
scientific values in
decision making
and problemsolving in daily life
4.3 Weld
defects/damages
are avoided during
re-welding
Discuss the
importance of
scientific values in
decision making
and problemsolving in daily
life
Y3
State and apply the
formulas for the
measurements of
plane figures
- Perimeter
- Area
- Volume
Y2
Write a script for
effective demo
presentation
TECHNOLOGY
Weld repairs according
to standards.
Write accomplishment
report using the simple
tenses of the verb.
Research on the
application of the
properties of metal on
performing re-welding
TECHNOLOGY
How is re-welding
performed in accordance
with approved repair
procedure ?
MATH
Solve problems
involving
measurements in
relation to re-welding in
accordance with the
approved repair
procedure.
MATH
Explain the importance of
measurements before rewelding is performed.
ENGLISH
Demo-simulation
ENGLISH
What is the importance of
writing a script?
SCIENCE
Demonstrate proper
removal of re-welding.
Explain further
SCIENCE
How and why do we
perform re-welding?
28
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY: CONTRIBUTE TO QUALITY SYSTEM
MODULE TITLE: CONTRIBUTION TO QUALITY SYSTEM
LEARNING CONCEPT/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
ENGLISH/COMM
(LO)
LO 1.
INSPECT
WORK DONE
1.1 Appropriate
inspections on
the work done
are conducted to
ensure that
quality system
and procedure
are followed.
1.2 Quality standards
are identified
based on job
specification and
/or job order.
Welding quality
standard/Internati
onal Organization
for
Standardization.
Y1
Make qualitative
observations
given a situation
or material or
when watching
events.
Work place
visitation
/observation
Record
maintenance
Y1
Make qualitative
observations
given a situation
or material or
when watching
events.
Communication
process
1.3 Faults/Defects
are identified
and rectified
according to
workplace
procedure.
Y1
Make qualitative
observations
given a situation
or material or
when watching
events.
Y4
Collect statistical
data and
organize in a
table
Y2
Use feedback to
assess work
LEARNING
ACTIVITIES
TECHNOLOGY
Use quality systems
and procedure to
ensure work order and
quality standard.
Identify faults and
defects based on
company procedure.
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
How do you conduct
proper inspection of
work done?
What is the significance
of quality control
system?
Apply the properties
of metal which
contribute to quality
system.
Write a report of
work quality based
on works
specification.
MATH
Monitor and record
the collection and
organization of data
in relation to the
work done.
MATH
Why is there a need to
gather and organize data
on the work done?
ENGLISH
Peer editing of
narrative report.
SCIENCE
Workplace visitation
Apply the guidelines
for inspections of
work done.
ENGLISH
How do you assess your
work?
SCIENCE
Why do we have to
conduct appropriate
inspection?
29
LO 2. APPLY
QUALITY
STANDARDS
TO WORK
2.1Observation/visita
tion of industry
is conducted to
maintain quality
standard
practices.
2.2 Appropriate
quality standards are
applied throughout
the production
/fabrication process.
Welding quality
standard
International
Organization for
Standardization.
Y2
Use adjectives to
describe finished
product
TECHNOLOGY
What are the work
inspection technique and
procedure?
What is the importance
of setting on a standard
throughout the
production /fabrication
process to ensure quality
work outcomes?
Work place
visitation
/observation
ENGLISH
Using descriptive
adjective on games.
2.3 All activities are
coordinated
throughout the
workplace to ensure
efficient quality work
outcomes.
2.4 Records of work
quality are
maintained according
to the workplace
requirements.
TECHNOLOGY
Use quality standards
applied to production
and fabrication
process.
ENGLISH
What is the importance
of adjectives?
Perform role playing
on how to set
standards.
Record
maintenance
Communication
process.
Y4
Analyze and
interpret data from
graphs, tables and
charts
MATH
MATH
Write an essay on the
different kinds of
graphs and how they
compare with each
other. Include a
paragraph on
difficulties
encountered in
interpreting graphs
and drawing
conclusion.
What is the importance
of analyzing and
interpreting data in order
to produce quality
products and services?
30
LO 3.
PROTECT
COMPANY
PROPERTY
AND
CUSTOMER
INTERESTS
3.1 Possible damage
to company
property is
avoided by
adhering to
company quality
procedure.
Company systems,
processes and work
quality
requirement.
3.2 Quality of work Quality assurance
is reviewed to
principles.
ensure that
customer
Safety
requirements and precautionary
company
measures.
standards are
met.
Handling materials.
Handling of tools
and equipment.
Y2
Give warning and
precautionary
measures
TECHNOLOGY
Follow company’s
quality procedure so
as to avoid the
damage on the
machine
TECHNOLOGY
How will you ensure the
quality of work to
protect the companies
property and customer
interest?
ENGLISH
Brainstorming on the
DO’s and the
DON’T’s.
ENGLISH
What are the importance
of modals?
31
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
PERFORM INDUSTRY CALCULATION
MODULE TITLE:
PERFORMING INDUSTRY CALCULATIONS
LEARNING CONCEPT/COMPETENCIES
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
(LO)
LO1.
PERFORM
FOUR
FUNDAMENTAL OPERATIONS
1.1 Simple
calculations
involving whole
numbers, mixed
numbers,
fraction and
decimal are
performed using
the four
mathematical
fundamental
operations.
Mathematical
operations
- Subtraction
Y1
Perform the four
fundamental
operations on
integers
ENGLISH
LEARNING
ACTIVITIES
Y3
Give clear commands
and requests to get
thing done
TECHNOLOGY
Perform simple
calculations on whole
number, decimal
number and fraction.
- Addition
- Multiplication
Y1
Perform operations
on decimals
- Division
Industrial
mathematics
Computation of
formulas in
finding areas of:
Plane figures
Solid figures
Y1
Solve problems
involving fractions
and decimals
Games (using flash
card)
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY/
MATH
How do you apply the
fundamental operations
on whole numbers,
decimals, and fractions
to welding work?
Exercises on changing
fractions to decimals
and vice versa
Problem solving
exercises using four
mathematical
fundamental
operations relative to
industry calculations
MATH
Solve problems on
whole numbers,
decimals, and
fractions relative to
industry calculation.
ENGLISH
Role Playing
ENGLISH
What do you do to get
things done?
Giving commands and
requests
32
LO2.
CONVERT
MEASUREME
NT FROM
ONE UNIT TO
ANOTHER
2.1 Units are
converted to the
required figure
using the given
formula
Whole numbers
Mixed numbers
Y1
Convert
measurement from
one unit to another
Y3
Listen attentively to
analyze a process
Fractions
Decimals
LO3:
PERFORM
CALCULATIONS ON
ALGEBRAIC
EXPRESSIONS
2.2 English units of
measurement are
converted to
Metric units of
Measurement
according to
procedure.
Conversion of
English System of
Measurement to
Metric System
(vice versa)
3.1 Simple calculations are
performed using
the four
Fundamental
operations on an
Algebraic
expressions.
English and
metric system of
measurements
Four fundamental
operations
Y2
Translate verbal
phrases to
mathematical
expressions and
vice versa
Y2 & Y4
Perform operation
on polynomials
Y3
Solve problems
involving plane
and solid figures
Y3
Use imperative form
of the verb in giving
instructions
MATH
MATH
Solve problems on
converting
measurement from
one unit to another
involving calculation
in the workplace.
How do you convert
measurement from one
unit to another relative
to calculation in the
workplace?
ENGLISH
ENGLISH
Lecturette using
graphic organizer to
analyze a process
How do you analyze a
process?
MATH
 Play games
on Geo-board
involving
algebraic
expression in
the
workplace.
 Simplify and
perform
operations on
algebraic
expressions.
 Solving
problems on
plane solid
figures.
MATH
 How do you
simplify
algebraic
expressions?

What are the
basic formulas
in computing
the surface
area, arc and
perimeter of
geometric
figures?
33
3.2 Simple
transposition of
formulas to
isolate the
variable are
carried out
involving the
four fundamental
operations.
Method of
transposing
formulae
ENGLISH
ENGLISH
Role Playing
Derivation of
formulas
Using imperative form
of the verb in giving
instructions.
What form of the verb is
used in giving
instructions?
3.3 Appropriate
formulas applied
and results are
obtained in
accordance with
job
specifications.
LO4:
COMPUTE
PERCENTAGE AND
RATIO
4.1 Percentage is
computed based
on its formula.
Calculation
4.2 Ratio and
proportion are
computed using
Appropriate
formula.
Ratio and
proportion
Percentage
Y1
Express
relationships
between two
quantities using
ratio and proportion
Solve problems in
percentage
Y3
Interpret symbols to
understand the process
MATH
 Solve
problem on
ratio and
proportion
Involving
calculation in
the
workplace.
 Solve work
place
problems
involving
percentage.
MATH
How do you express
relationships between
two quantities using
ratio and proportion?
Are your knowledge and
skills in percentage help
you in solving
workplace problems?
Why?
Alternative Activity:
Play DAMATH on
percentages.
ENGLISH
Using of
technological aids in
interpreting symbols
ENGLISH
What is the importance
of interpreting symbols?
34
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
WELD CARBON STEEL PLATES
MODULE TITLE: WELDING FILLET WELD ON CARBON STEEL PLATES
LEARNING CONCEPTS/CONTENTS
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
ENGLISH/COMM
(LO)
LO1:
WELD
CARBON
STEEL
PLATES IN
FLAT FILLET
POSITION (1F)
1.1 Allowable
tolerance on
weld capping
and root pass is
observed in
conformity with
the welding code
and standard for:
- Leg size
- Reinforcement
weld
Essentials of
welding
International
welding codes
and standards
Acceptable weld
profiles
Weld defects,
causes and
remedies
- Under fill
- Porosities
- Undercut
- Weld Cracks
- Cold laps
1.2 Uniformity of
bead ripples is
observed in
accordance with
welding
standards
1.3 Weld beads are
deposited in
conformity with
welding
standards
Welding
Procedure
Specifications
(WPS)
Welding
techniques and
procedure
Safe welding
practices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures
- Perimeter
- Circumference
- Area
- Surface area
- Volume
Y3
Define technical terms
using illustrations
LEARNING
ACTIVITIES
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
Perform task on
welding and to be
assessed on basis of
specified weld
standard.
Record/list written
or verbal observation
on weld profiles for
improvement/enhanc
ement of the
performance.
Practice fillet welds
with mastery by
following weld
parameters and
variables requires in
the task.
Maintain proper
angle position and
distance of electrode
in welding carbon
steel plate in flat fillet
position (1F)
Apply concept of
metal used in weld
carbon steel.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in flat filet
position (1F)?
MATH
MATH
Solve problems on
measurements of
plane and solid
figures in relation to
weld carbon steel
Are your knowledge and
skills in measurements
help you in welding
fillet weld on carbon
steel plates? Why?
What are the concepts of
thermodynamics which
learner can apply in
weld carbon steel plates?
35
plates in flat fillet
position
1.4 Finished
weldment is
performed based
on acceptable
welding
standards for:
-
Spatters
-
Slag
-
Uniformity of
LO2:
WELD
CARBON
STEEL
PLATES IN
HORIZONTAL
POSITION (2F)
Under cut
-
Crack
-
Under fill
1.1 Allowable
tolerance on
weld capping
and root pass is
observed in
conformity with
the welding code
and standards
for:
- Leg size
-
Under fill
-
Porosities
-
Undercut
-
Cracks
-
Cold laps
ENGLISH
Present welding
techniques and
procedure using nonlinear visuals/text
What must be
considered in writing
definitions effectively?
Matching
illustrations to
definitions
beads
-
ENGLISH
Essentials of
welding
International
welding codes
and standards
Acceptable weld
profiles
Weld defects,
causes and
remedies
Welding
Procedure
Specifications
(WPS)
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures.
- Perimeter
- Circumference
- Area
- Surface area
- Volume
Y3
Compare and contrast
the process done.
SCIENCE
Research
Conduct a research
on how to weld
carbon steel plates
in-flat fillet position
(1F). Presentation of
findings
TECHNOLOGY
Perform task on
welding to be assessed
on basis of specified
weld standards.
SCIENCE
Why do we need to
observe welding
standard in weld carbon
steel plates in-flat fillet
position?
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in
horizontal fillet position
(2F)?
Record written or
verbal observation on
weld profiles for
improvement of
performance.
Practice fillet welds
with mastery by
following weld
parameters and
variables required in
the task.
Maintain proper angle
position and distance
of electrode in
36
1.2 Uniformity of
bead ripples is
applied in
accordance with
welding
standards.
1.3 Weld beads are
deposited in
conformity with
welding
standards.
1.4 Finished
weldment is
made visually
acceptable in
accordance
welding with
standards for:
Spatters
-
Slag
-
Uniformity of
beads
-
Under cut
-
Crack
-
Under fill
Welding
techniques and
procedure
welding carbon steel
plate in horizontal
fillet position (2F).
MATH
MATH
Safe welding
practices
Solve problems on
measurements of
plane and solid
figures in relation to
weld carbon steel
plates in horizontal
position (2F).
Are your knowledge and
skills in measurements
help you in welding
fillet weld on carbon
steel plates? Why?
ENGLISH
ENGLISH
Present welding
techniques and
procedure using nonlinear visuals/text
How do you describe the
process done?
Search for the best
output/product using
adjectives.
SCIENCE
SCIENCE
Conduct a research on
how to weld carbon
steel plates in 2 F
position.
Why do we need to
observe welding
standard in weld carbon
steel plates in flat fillet
position?
Presentation of
findings
What are the concepts of
thermodynamics which
learner can apply in
welding carbon steel
plates?
37
LO3:
WELD
CARBON
STEEL
PLATES IN
VERTICAL
POSITION
(3F)
3.1 Allowable
tolerance on
weld capping
and root pass is
observed in
conformity with
the welding code
and standard for:
- Leg size
-
Reinforcement weld
-
Under fill
-
Porosities
-
Undercut
-
Weld
-
Cracks
-
Cold laps
3.2 Uniformity of
bead ripples is
observed in
accordance with
welding
standards
3.3 Weld beads are
deposited in
conformity with
welding
standards
3.4 Finished
weldment is
performed based
on acceptable
welding
standards for:
-
Spatters
-
Slag
Essential of
welding
International
welding codes
and standard
Acceptable weld
profiles
Weld defects
causes and
remedies
Welding
procedure
specification
(WPS)
Welding
techniques and
procedures
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures:
- Perimeter
- Circumference
- Area
- Surface area
- Volume
Y3
Listen attentively to
note what to do and
not what to do on the
process
TECHNOLOGY
Perform task on
welding to be assessed
on basis of specified
weld standards.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in vertical
fillet position (3F)?
Record written or
verbal observation on
weld profiles for
improvement of
performance.
What are the concepts of
thermodynamics which
the learner can apply in
welding carbon steel
plates?
Practice fillet welds
with mastery by
following weld
parameters and
variables required in
the task.
Maintain proper angle
and distance of
electrode in welding
fillet in 3 F.
MATH
Solve problems on
measurements of
plane and solid
figures in relation to
weld carbon steel
plates in vertical
position (3F).
Safe welding
practices
ENGLISH
Group games on
what to do and not
what to do
MATH
Are your knowledge and
skills in measurements
help you in welding
fillet weld on carbon
steel plates? Why?
ENGLISH
What is the importance
of listening attentively?
38
-
LO4:
WELD
CARBON
STEEL
PLATES IN
OVERHEAD
POSITION (4F)
Uniformity of
beads
-
Under cut
-
Crack
-
Under fill
4.1 Allowable
tolerance on
weld capping
and root pass is
observed in
conformity with
the welding code
and standard for:
- Leg size
-
Reinforcement weld
-
Under fill
-
Porosities
-
Undercut
-
Weld
-
Cracks
-
Cold laps
4.2 Uniformity of
bead ripples is
observed in
accordance with
welding standards
Essential of
welding
International
welding codes
and standard
Acceptable weld
profiles
Weld defects
causes and
remedies
Welding
procedure
specification
(WPS)
Welding
techniques and
procedure
Safe welding
practices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
State and apply the
formulas for the
measurements of
plane and solid
figures
- Perimeter
- Circumference
- Area
- Surface area
- Volume
Y3
Give instructions
clearly using sequence
signals.
SCIENCE
SCIENCE
Conduct a research on
how to weld carbon
steel plates in-flat
fillet position (3F).
Presentation of
findings
Why do we need to
observe welding
standard in weld carbon
steel plates in 3 F
position?
TECHNOLOGY
Perform task on
welding to be assessed
on the basis of
specified weld
standard.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in
overhead fillet position
(4F)?
Record written or
verbal observation on
weld profiles for
improvement of the
performance.
What are the concept of
thermodynamics which
learner can apply in
weld carbon steel
plates?
Practice fillet welds
with mastery by
following weld
parameters and
variables requires for
the task.
Maintain proper
angle position and
distance of electrode
in welding carbon
steel plate in
overhead fillet
position (4F)
MATH
39
4.3 Weld beads are
deposited in
conformity with
welding
standards
4.4 Finished
weldment is
performed based
on acceptable
welding
standards for:
-
Spatters
-
Slag
-
Uniformity of
Solve problems on
measurements of
plane and solid
figures in relation to
weld carbon steel
plates in overhead
position (4F).
MATH
Are your knowledge
and skills in
measurements help you
in welding fillet weld
on carbon steel plates?
Why?
ENGLISH
ENGLISH
Through reading
appropriate references
the learner can apply
concept metal used in
weld carbon steel
-
Under cut
Role Playing
Giving instructions
using sequence
signals.
-
Crack
SCIENCE
SCIENCE
-
Under fill
Conduct a research on
how to weld carbon
steel plates in 4 F
position.
Why do we need to
observe welding
standard in weld carbon
steel plates in 4 F
position?
beads
Why are sequence
signals important?
Presentation of
findings
40
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
INTERPRET DRAWINGS AND SYMBOLS
MODULE TITLE:
INTERPRETING OF DRAWINGS AND SYMBOLS
LEARNING CONCEPT/CONTENT
LEARNING
ASSESSMENT
OUTCOMES
CRITERIA
TECHNOLOGY
SCIENCE
MATH
(LO)
LO1.
IDENTIFY
STANDARD
ALPHABET
OF LINES
1.1 Alphabet of lines Alphabet of lines
are identified
and application
according to
International
Drawing and
Standard
specifications
Organization
(ISO)
1.2 Alphabet of lines Dimension
are clearly
explained
Scaling
according to
their use
Y1
Interpret data
based on patterns
and trends
Interpret drawings
and symbols
Y1
Interpret data
based on patters
and trends
Interpret drawings
and symbols.
Note: the above
LC is applied to
AC 1.2
Y3
Define and
illustrate lines
- Parallel lines
- Perpendicular
lines
ENGLISH/COMM
LEARNING/
ACTIVITIES
Y3
Transcode information
from linear to nonlinear text
TECHNOLOGY
Reading of different
resource materials and
doing hands-on
activities.
Identify and explain
alphabet of lines
according to their
uses.
MATH
Illustrate paper
folding showing
parallel and
perpendicular lines.
ENGLISH
Lecturette on
translating details in a
chart/table into
paragraph
SCIENCE
Identification
Identify the following
alphabet lines in
relevance to ISO
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
TECHNOLOGY
What are the different
alphabet of lines in ISO
standard and their uses?
MATH
How will you show that
two lines are parallel or
perpendicular? Prove
using mathematical
approach.
ENGLISH
How do you translate
details in a chart/table
into paragraph?
SCIENCE
Why is it necessary that
symbols and drawings
be identified and clearly
explained according to
ISO
41
LO2.
IDENTIFY
ORTHOGRAPHIC
/ISOMETRIC
VIEWS
2.1 Orthographic and Types of welding
isometrics are
joints and
clearly explained symbols.
Y1
Interpret data
based on patterns
and trends
Y3

Interpret drawings
and symbols

2.2 Orthographic and
isometric
drawing are
identified based
on plan
Welding positions,
codes and plan
specifications.
Interpret data
based on patterns
and trends.
Contour symbol
Interpret drawings
and symbols.
Drawing
techniques:
Name and
identify the
parts of an
angle

Determine
the
measure of
an angle
using a
protractor

Illustrate
different
kinds of
angles
- acute
- right
- obtuse
- Exploded
View
- Projections
- First angle
projections
- Third angle
projection
Identify
and name
the subset
of a line

- Perspective
- Hidden view
technique
Describe
the ideas of
- point
- line
- plan
Y1
Manifests ability in
communicating and
translating ideas
to/from verbal and
symbolic forms
Y3
Listen attentively to
obtain or highlight
important details.
TECHNOLOGY
Viewing of different
isometric views where
the learner learns to
identify and draw
based on a certain
plan.
TECHNOLOGY
What are the types of
welding joints and
symbols?
What are orthographic
and isometric views?
Why are orthographic
and isometric views
important in identifying
and drawing a plan?
MATH
MATH
Present orthographic/
Why is there a need to
isometric views of
determine the kinds of
geometric figures.
angles in relation to
Measure and name the orthographic/ isometric
angles.
views?
How does
Play games and puzzle communication skills
on communica-ting
(verbal and symbolic
and translating ideas
forms) help you
to/from verbal and
understand
symbolic forms
orthographic/isometric
involving
views?
orthographic/sometric
views.
ENGLISH
Outlining Activity
Listening to an
informative talk using
audio-visual aids.
SCIENCE
Identify and explain
the given orthographic
and isometrics
drawings
ENGLISH
How do you obtain
important points from
the talk?
42
LO3.
INTERPRET
STANDARD
DRAWING
SYMBOLS,
DIMENSIONAL TOLERANCES
AND NOTATIONS
3.1 Drawing
symbols are
interpreted
according to
drawing
standards
Types of welding
joints and
symbols
3.2 Dimensional
tolerance,
notations are
interpreted
according to
specifications
Contour symbols
Welding Process
(Abbreviation)
Welding
positions, codes
and standard/
specifications
Y1
Interpret data to
look for patterns
and trends
Interpret drawings
and symbols
Interpret data to
look for patterns
and trends.
Interpret drawings
and symblols.
Y1
Manifests ability in
communicating and
translating ideas
to/from verbal and
symbolic forms
Y3
State and apply the
formulas for the
measurements of
area of a triangle,
square,
parallelogram,
trapezoid and circle
Y3
Interpret diagrams for
better understanding
of the text
TECHNOLOGY
The learner interprets
technical drawing and
sketches based on the
following:
- Alphabet of lines
- Projection
- Drawing symbols
- Dimensioning
techniques
- Tolerances
MATH
Play games and puzzle
on communicating
and translating ideas
to/from verbal and
symbolic forms
involving standard
drawing symbols.
Solve problems
involving
measurements of area
of a triangle, square,
parallelogram,
trapezoid, and circle
in relation to interpret
standard drawing.
SCIENCE
Why do we need to
identify and interpret
symbols and drawings
orthographic and
isometrics drawings?
TECHNOLOGY
What are the
dimensional techniques
and tolerances applied to
a certain drawing?
MATH
How does
communication skills
(verbal and symbolic
forms) help you
understand standard
drawing symbols?
How are your
knowledge and skills in
measurement help you
interpret standard
drawing?
ENGLISH
Using graphic
organizer for fully
understanding of the
text
ENGLISH
What is the importance
of interpreting
diagrams?
SCIENCE
SCIENCE
Interpret welding
Why is it necessary that
43
diagram (drawing and
symbols) into actual
and vice versa.
Explain further
symbols and drawings
be interpreted according
to ISO?
44
CONTEXTUAL LEARNING MATRIX
UNIT OF COMPETENCY:
WELD CARBON STEEL PLATES
MODULE TITLE: WELDING GROOVE WELD ONCARBON STEEL PLATES (1G, 2G and 3G)
LEARNING CONCEPTS/CONTENT
LEARNING
OUTCOMES
(LO)
ASSESSMENT
CRITERIA
LO1:
Weld Carbon
Steel Plates in
Flat Position
(1G)
1.1 Weldment sides
are maintained
free from defects
and discontinuity
TECHNOLOGY
Essentials
welding
of
International
welding
codes
and standards
1.2 Weld appearance
of not greater
than 2mm side
lap weld deposits
is observed in
welding layer
weld for 1G
Acceptable
profiles.
weld
1.3 Weld appearance
of not greater
than 3.25 mm
weld
reinforcement is
maintained in
welding 1G
Welding
Procedure
Specification
(WPS)
Weld defects,
causes and
remedies
Welding
techniques and
procedures
Self
welding
practices
SCIENCE
MATH
ENGLISH/COMM
LEARNING
ACTIVITIES
BASIC QUESTIONS
FOR LEARNING
ACTIVITIES
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Y3
State and apply the
formulas for the
measurements of
plane figures
- Perimeter
- Area
- Volume
- Angle
Y4
Give instructions
clearly using sequence
signals
TECHNOLOGY
Performing tasks on
welds and on the
basis of specified
weld standard.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in flat
groove position (1G)?
Thermodynamics
in relation to weld
carbon plates
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Thermodynamics
in relation to weld
carbon plates.
Record/list written or
verbal observations
on weld profiles for
improvement/enhanc
ement of the
performance
Practice groove
weld by following
welding parameters
and variables
required in the task
MATH
Solve problems
involving
measurement of
plane figures in
relation to weld
carbon steel plates in
flat position (1G)
MATH
How are your
knowledge and skills in
measurements help you
in welding carbon steel
plates in flat position?
ENGLISH
(Role Playing)
Giving instructions
using sequence
signals
ENGLISH
Why are sequence
signals important?
45
SCIENCE
SCIENCE
Studying the different
references in
thermodynamics in
relation to weld
carbon steel plates
Why do we need to
observe welding
standard in weld carbon
steel plates in 1G?
Research
Conduct a research on
how to weld carbon
steel plates in 1G
position.
Presentation of
findings
46
LO2:
Weld
Carbon
Steel
Plates in
Horizontal
Position (2G)
2.1 Weldment sides
are maintained
free from defects
and discontinuity
Essentials of
welding
International
welding codes
and standards
Acceptable weld
profiles
Weld defects,
causes and
remedies
2.2 Weld
appearance of
not greater than
2mm side lap
weld deposits is
observed in
welding layer
weld for 2G
Welding
Procedure
Specification
(WPS)
Welding
techniques and
procedures
Self welding
practices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices.
Thermodynamics
in welding carbon
plates
Perform
laboratory work
following
cautiously
the
warning signs in
the
use
of
chemicals
and
devices.
Thermodynamics
in welding carbon
plates.
2.3 Weld appearance
of not greater
than 3.25 mm
weld
reinforcement is
maintained in
welding 2G
Y3
State and apply the
formulas for the
measurements of
plane figures
- Perimeter
- Area
- Volume
- Angle
Y4
Compare and contrast
the process done.
TECHNOLOGY
Perform task on weld
and on the basis of
specified weld
standard.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in
horizontal position
(2G)?
Record written or
verbal observations
on weld profiles for
improvement of the
performance
Practice groove by
following weld
parameters and
variables required in
the task.
MATH
Solve problems
involving
measurement of
plane figures in
relation to weld
carbon steel plates in
horizontal position
(2G).
ENGLISH
Search for the best
output/product using
comparison of
adjectives
MATH
How are your
knowledge and skills in
measurements help you
in welding carbon steel
plates in horizontal
position?
ENGLISH
How do you describe a
process done?
SCIENCE
SCIENCE
Note: the above
LC is applied to
AC 2.2 & 2.3
Studying the different
references in
thermodynamics in
relation to weld
carbon steel plates
Why do we need to
observe welding
standard in weld carbon
steel plates in 2G?
Research
Search information on
weld carbon steel
47
plates in 2G position.
Presentation of
findings
LO3:
Weld
Carbon
Steel
Plates in
Vertical
Position (3G)
3.1 Weldment sides
are maintained
free from defects
and discontinuity
3.2 Weld appearance
of not greater
than2mm side
lap weld
deposits is
observed in
welding layer
weld for 3G
3.3 Weld
appearance of
not greater than
3.25 mm weld
reinforcement is
maintained in
welding 3G
Essentials
welding
of
International
welding codes and
standards
Acceptable weld
profiles
Weld defects,
causes and
remedies
Welding Procedure
Specification
(WPS)
Welding techniques
and procedures
Self welding
practices
Y1
Perform
laboratory work
following
cautiously the
warning signs in
the use of
chemicals and
devices
Thermodynamics
in relation to weld
carbon plates.
Perfrom
laboratory work
following
cautiously
the
warning signs in
the
use
of
chemicals
and
devices.
Thermodynamics
in relation to weld
carbon plates.
Y3
State and apply the
formulas for the
measurements of
plane figures
- Perimeter
- Area
- Volume
- Angle
Y4
Listen attentively to
note what to do and
not what to do on the
process.
TECHNOLOGY
Perform task on weld
and on the basis of
specified weld
standard.
TECHNOLOGY
What are the proper
techniques in welding
carbon steel in vertical
position (3G)?
Record written or
verbal observations
on weld profiles for
improvement/enhanc
ement of the
performance
Practice groove by
following weld
parameters and
variables required in
the tasks
MATH
Solve problems
involving
measurement of
plane figures in
relation to weld
MATH
How are your
knowledge and skills in
measurements help you
in welding carbon steel
plates in vertical
48
carbon steel plates in
vertical position
(3G).
position?
ENGLISH
Group games on
what to do and not
what to do
ENGLISH
What is the importance
of listening attentively?
SCIENCE
SCIENCE
Studying the different
references in
thermodynamics in
relation to weld
carbon steel plates
Why do we need to
observe welding
standard in weld carbon
steel plates in 3G?
Conduct a research
on how to weld
carbon steel plates in
3G position.
Presentation of
findings
49