yearly lesson plan lk form 4

Lesson Plan

YEARLY LESSON PLANENGINEERING DRAWING

FORM FOUR

ENGINEERING DRAWING ISSC1SMKTM

Lesson Plan

UNIT 1 : INTRODUCTION

LEARNING AREA LEARNING OUTCOMES TEACHING ACTIVITIES SUGGESTED LEARNING ACTIVITIES

PERIOD / MONTH

1.1 Evolution of drawing, system and standardization

Level 1 Narrate the

development of Engineering Drawing.

Explain the current development of Computer -Aided Drafting (CAD).

Identify the classification of the projection systems.

Identify the importance of standardization.

State the agencies related to standardization.

Gather charts/graphic material about engineeringPrepare material to explain the current development of Computer –Aided Drafting (CAD).Prepare the classification of the projection systems charts.Provide examples to expose students the importance of standardization and its related agencies.

Discuss career prospects in Engineering Drawing.Students observe and compare CAD on CAD drawingIn Groups, students discuss the importance of standardization and its related agencies.

Resources:1. Samples of Engineering

Drawing, CAD, illustration and fine-arts.

2. Drawing equipment and materials

1 / JAN

1.2 Definition and importance of Engineering Drawing

a. Comparison of Engineering Drawing, illustration and fine-arts

Level 1 Define

Engineering Drawing.

Relate the importance of Engineering Drawing as a basis for higher learning in the fields of engineering.

Relate

Prepare charts to define engineering drawing and its relations.Gather and exhibit samples of Engineering Drawing, Illustration and Fine-Arts.

Gather captions of news papers/magazines related to engineering drawingCompare Engineering Drawing, Illustration and Fine-Art

Resources:Samples of Engineering Drawing, illustration and fine-arts.

1 / JAN

ENGINEERING DRAWING ISSC2

Lesson Plan

engineering drawing in career opportunity.


PERIOD / MONTH

Differentiate between engineering drawing, illustration and fine- arts.

1.3 Types of Engineering Drawing

a. Geometrical Drawingi. Plane

Geometryii. Solid

Geometry

b. Related Drawingsi.

Drawingii.

Drawingiii.

Drawingiv.

Drawingv.

Level 1 Explain the

types of Engineering Drawing.

Differentiate between Geometrical Drawing and Related Drawing.

Explain the Geometrical Drawing and Related Drawing.

Prepare Fraction Charts of plane geometry and solid geometry.Distribute and explain samples of geometrical and other related drawings.

Compare Plane Geometry drawings and Solid Geometry Drawings.Link the related drawings to engineering.

Resources:Fraction chart of Engineering Drawing

1 / JAN


Lesson Plan

Drawing


PERIOD / MONTH

1.4 Equipment and materials

a.maintenance and safety of drawing equipment and materials

Level 1

Identify drawing equipment and related materials.

Practise proper use of equipment and drawing materials.

Use appropriate and safe equipments and drawing materials.

Demonstrate and introduce actual drawing equipment and materials.Explain proper application and maintenance of equipments.

Students name the equipment.Using/handling the equipment /tools correctlyConstruct horizontal line using T-Square.Construct vertical and inclined lines using set square.Construct curve and arc using compass and French curve.Erase unnecessary text and lines using eraser shield.

Resources:Drawing equipments and materials.

1 / JAN

1.5 Setting up of drawing paper

a.on drawing board

b.border lines

Level 1 Setup drawing paper

on the drawing board.

Prepare border lines and title block.

Plan the drawing

Prepare a simple paper work of drawing complete with borders and title block.

Demonstrate how to divide drawing paper with borders, title blocks and drawing layout accurately.

Place paper on drawing board.Draw border and title block areas.Plan drawing layout.

2 / JAN


Lesson Plan

and title block

c.drawing layout

position on the drawing paper.


PERIOD / MONTH

1.6 Career Level 1

Identify related career to Engineering Drawing.

Prepare video recordings, career pamphlets and brochures that exemplify related career.

Watch video recordings.Gather captions of news papers/magazines related to career opportunity.

Resources:Career pamphlet and brochure.

1 / JAN


Lesson Plan

UNIT 2 : SKETCHING


PERIOD / MONTH

2.1 Principles of Sketching

Level 1 Explain

principles of sketching.

Explain principles of sketching correctly.

Students identify principles of Sketching correctly.

Resources:1. Grid paper.

2. Samples of sketches.

1/ JAN

2.2 Sketching Techniques

a. Straight lines

b. Circles, arcs and curves

c. Shapes

Level 1

Sketch straight lines, circles, arcs, curves and shapes correctly.

Explain the technique of sketching correctly.

Demonstrate methods of sketching- straight line- circle- arc line- curve line- show the sketching on

blank and grid paper

Sketch on a grid paper. Sketch on a blank paper.

Activities:Sketching on grid paper.Techniques:1. Holding a pencil.

2. Making approximate proportions

2 / JAN


Lesson Plan


PERIOD / MONTH

2.3 Techniques in Determining Proportion

Level 1 Determine

sketching proportions correctly.

Demonstrate methods of making estimation of proportional diagram correctly.

Prepare samples of full size sketching and proportion.

Estimate proportional sketching diagram.

Sketch straight lines, circle, arc, curve and shapes.

2 / JAN

2.4 Types of Sketches

a. Orthographic Projection

b. Isometric

c. Oblique

d. Perspective

Level 1 Identify types of

sketches.- Ortho

graphic Projection

- Isometric

- Oblique

- Perspective

Prepare sketching samples- Orthographic Projection- Isometric, Oblique and

Perspectives

Explain and distribute sketching samples of Orthographic ProjectionIsometric, Oblique and Perspectives

Identify samples and give explanation about sketching. 1 / FEB


Lesson Plan

UNIT 3 : LINES AND LETTERINGS


PERIOD / MONTH

3.1 Alphabet of Linesa. Object lineb. Hidden linec. Centre lined. Border linee. Constructio

n linef. Guide lineg. Dimension

al lineh. Sectioning

linei. Extension

linej. Cutting

planek. Projection

linel. Phantom

line

Level 1

Identify alphabet of lines and their application in Engineering Drawing

Identify alphabet of lines and their usages

1 / FEB


Lesson Plan


PERIOD / MONTH

3.2 Characteristics of Alphabet of Lines

a. Shapesb. Line

darknessc. Application

Level 1 Identify and

apply the characteristics of alphabet of lines correctly.

Prepare sample charts or transparencies with alphabets of lines characteristics

Explain and demonstrate steps to construct alphabet of lines accurately

Practice draw the different accurately basing on the following characteristics - Shape - Darkness - Application

1 / FEB

3.3 Types of lines

a. Vertical lines

b. Horizontal lines

c. Inclined lines

d. Parallel lines

Level 1 Draw parallel

lines (vertical, horizontal, inclined and perpendicular lines) with uniform line

Darkness and gauge using appropriate

Prepare samples charts or transparencies on type of lines

Construct and demonstrate correct methods to draw straight lines (vertical, horizontal, inclined and perpendicular) with uniform darkness and

Use T-Square to construct vertical lines and inclined lines

Use T-Square and set square to construct Horizontal lines

Use T-Square and se square to construct perpendicular lines

1 / FEB


Lesson Plan

e. Perpendicular lines

drawing equipments. thickness using standard drawing instruments.

Prepare transparencies or charts to demonstrate type of lines and their usages

Explain and demonstrate type of lines and their usages in Engineering Drawings

Use T-Square and set square to construct inclined lines


PERIOD / MONTH

3.4 Types of Lettering Level 1 Identify shapes

of lettersStandard upright lettering

Standard inclined lettering

Prepare examples of charts or transparencies on types of letterings

Explain shapes of upright lettering and inclined letterings

Using guide line to produce standard lettering to apply correct technique to produce standard letterings

1 / FEB

3.5 Techniques of Lettering

Write letters with correct lettering technique using guidelines

Apply appropriate spacing

Follow standard lettering guide lines using guide lines to produce standard lettering

Use correct technique to produce standard lettering sizes


Lesson Plan

between letters and between words.

3.6 Tracing and Inkinga. Instrument

and InkingI. tracing paperii. Technical pen

b. Tracing and inking methods

Level 1 Identify

instrument and materials.

Explain correct tracing and inking methods.

1/ FEB

UNIT 4 : GEOMETRY


PERIOD / MONTH

4.1 Graphic elements

a. Concept of point

b. Concept of line

c. Concept of plane

Level 1

Explain basic concepts of point, line and plane.

Prepare transparencies for graphic element

Explain and display the type of common points used in geometrical drawing:

- Straight line intersecting straight line.

- Straight line intersecting curved line

- Curved line intersecting curved line

Explain line concept, that is, a point that move evenly

Mark the type of points

Construct a line from a

point to a point 1 / FEB


Lesson Plan

(straight line) or move un evenly (curved line)

Explain plane concept, which is, a flat surface of various shapes with no thickness measurement

Make use a piece of paper as a sample plane

Appendix 4/1:

Method of marking points and types of lines


PERIOD / MONTH

4.2 Lines

a. Construction of lines

b. Division of lines

Level 1 Construct

various types of lines- Parallel lines.- Perpendicular

lines.

Divide lines according to given criteria:- Bisect a line.- Divide into equal

division.- Divide according

to given ratio.

Exhibit sample picture that shows parallel line in:

- Fence grill

- Stadium track

Explain the parallel lines concept.

Demonstrate how a parallel line can be constructed by a T square and set square.

Demonstrate how to construct perpendicular line on horizontal, vertical and inclination lines

Demonstrate how to divide a

Captions of paper of various shape to

understand the plane concept.

Construct horizontal, vertical and incline parallel lines using various drawing instruments.

Construct perpendicular line on horizontal, vertical and inclination lines

o Construct the parallel line on a perpendicular line.

1 / FEB


Lesson Plan

line of two equal

sections and divide into several length.

Demonstrate how to divide a line.

Divide the given line into two section by geometrical method.

Divide a line into several equal section of the same length .

Divide a line base on the ratio given.


PERIOD / MONTH

4.3 Angles

a. Types of angles

b. Construction of angles

c. Division of angles

Level 1

Identify various types of angles.

Construct various types of angles.

Divide angles into equal parts.

Transfer angles.

Explain types of angle and its characteristics and also samples of angle:

Right angle acute angle Obtuse angle Complementary angle Explementary angle Reflex angle

Demonstrate how to construct 90º,60º ,30º,15º and 75ºangles using geometrical/plane methods.Demonstrate the division of angle.

Demonstrate how to divide the same angle can be transferred to another location.

Construct various type of angles by combining 30º,45º, 60º and a square.Use geometrical method to construct 90º,60º,30º,15º and 75º angles.Divide an angle into two equal parts.use set square to divide 180º angle into six parts.use set square to divide 360º angle into 12 parts Transfer angle to a new location.

1 / FEB


Lesson Plan

Appendix 4/2Types of angle

4.4 Triangles

a. Types and characteristics of triangles

b. Construction of triangles

Level 1

Identify types and characteristics of triangles:- Equila

teral- Isosce

les- Right

triangle- Scale

ne

On charts prepare types of triangle.

Appendix 4/3Triangular termsDemonstrate how to construct various triangles :

Three sided Two sided and an Included

angle or based angle Two sided and a based

angle Base and two based angle

Identify types and characteristics of triangle on worksheet given.Construct various triangle:

Three sided Two sided and an

included angle. Base and two based

angles.

Resources:1. Types

and characteristics of triangle chart

4 / FEB


PERIOD / MONTH

Construct triangles based on given criteria:- Three

sides.- Two

sides and one angle. Two

sides and one included angle.

Demonstrate how to construct triangles using three median method.

Use perimeter and side proportion given to construct triangles. Use right angle, hypotenuse and a side given to construct triangle.Use base length, angle and vertex given to construct triangle.Use base length, vertex angle and height given to construct triangle.


Lesson Plan

Two sides and base angle.

-angles.

Level 2 Construct

triangles based on given criteria:-

proportion.-

hypotenuse and one side.

-and vertex angle.

-and height.

-and vertex angle.

Demonstrate how to construct triangles using the criteria given.

Use perimeter, height and vertex given to construct triangle.Use three medians given to construct triangle.


PERIOD / MONTH

Level 3

Construct triangles based on:- three medians

4.5 Quadrilaterals

a. Types and characteristics

Level 1

Identify types and characteristics of quadrilaterals:

Explain and display a chart or trenparency yype and charactics of rectangular

With a side and diagonal measurement given, construct a square and a rectangle

4 / FEB


Lesson Plan

of quadrilateral

b. Construction of quadrilaterals

- Square- Rectangle- Parallelogram- Rhombus- Trapezium- Kite shape

Construct square and rectangle based on given criteria:- Sides- Diagonal

Construct parallelogram given two adjacent sides:- Included angles- Diagonal

Construct rhombus based on given criteria:- Sides- Angles

Explain side and diagonal of quadrilateral plane

Demonstrate how to construct a various types of quadrilateral

With adjacent sides given , construct a parallelogram’s and dimension of the following :

Include angle Diagonal

Construct a rhombhus when sides and anglesare given


PERIOD / MONTH

4.6 Polygons

a. Types and characteristics of polygons

b. Construction of regular

Level 1 Identify types of:

- Regular polygons

- Irregular polygons

Construct regular

On charts/transparencies explain and exhibit types and characteristics of polygon.Explain the differences between regular and irregular polygons.Demonstrate how to construct regular pentagon, hexagon and

Construct a regular pentagon with one side length given. Construct a regular pentagon in circumscribed circle.Construct a regular hexagon with one side length given.Construct a regular hexagon

4 / FEB


Lesson Plan

polygons pentagon based on given criteria:- Sides- Circums

cribed circle.

Construct regular hexagon based on given criteria:- Sides- Length

across flats- Length

across corners.

octagon. with Length across flats givenConstruct a regular hexagon with Length across corners given.

Construct a regular octagon with one side given.Construct a regular octagon in circumscribed circle.Construct a regular octagon in a square given.

Resources:Types and characteristics polygon chart.


PERIOD / MONTH

4.7 Scale

a. Types of scale

b. Ways of stating scale

c. Application

Level 1

Identify types of scale:- Commo

n scale- Diagona

Explain types of scale commonly used and ways to state them.Guided by a map scale, explain how scale is used.Show actual scale rule and explain how to read the scale on the ruler.

Students discuss and observe the scales line on the scale ruler by group.

Resources:Scale ruler

2 / MARCH


Lesson Plan

of scale ruler l scale

Mention scale by:- Ratio- Fraction- Stateme

nt

Level 2

Use correct technique of scale ruler with certain ratio.

Explain how to measure using a scale rule.State that scale can also be done by ratio representative fraction and statement. This can be done on charts or orallyDistribute scale ruler for observation and discussion in groups.

4.8 Reduction and Enlargement

Level 1

Explain the concept of reduction and enlargement.

Differentiate the reduction or enlargement between side ratio and area ratio.

Construct reduced or enlarged plane diagram with:-given side ratio.

Explain and demonstrate two plane diagrams, of a similar shapes but different in sizes.

Explain and differentiate two plane diagrams.

Explain the differences of reduction or enlargement as in side ratio and area ratio and their relations.Demonstrate methods to construct reduced or enlarged plane diagram based on given area ratio

Draw enlarged or reduced plane diagram based on given side ratio.Draw enlarged or reduced plane diagram based on given area ratio.

4 / MARCH


PERIOD / MONTH

Level 2

Constru


Lesson Plan

ct reduced or enlarged plane diagram with given:- Area ratio.

4.9 Figure of Equal Area

a. Concept of Area according to stage of transformation

Level 1 Explain the

concept of equal area.

Identify diagrammatic transformation of shape of equal area.

Construct various diagram of equal area.- Polygon to

triangle.- Triangle to

rectangle.- Rectangle to

square.

Level 2 Construct

various diagrams of equal area.

Triangle to triangle with one

Explain equal area concept for triangles and quadrilaterals of the same base located between two parallel lines.Demonstrate how to change a shape of a triangle to a rectangle.Demonstrate how to construct rectangle to square of equal area.Demonstrate how to change a polygon to triangle of equal area.Distribute worksheets to students.Present and demonstrate how to construct triangle with one of its side given.Present and demonstrate how to construct a triangle to another triangle with one of its side given.

Construct diagrams of equal area:

- Triangle to another triangle with one of its side given.

- Triangle to rectangle.- Rectangle to square.

Construct a triangle equal in area to another triangle with one of its side given.Construct a quadrilateral equal in area to another quadrilateral based on one side given.Construct a quadrilateral which is equal in area to a polygon.

.

4 / MARCH


PERIOD / MONTH

- side


Lesson Plan

given.- Quadrila

teral to quadrilateral with one side given.

Develop sequential transformation of polygon to square.

4.10 Circles

a. Terms and characteristics of circles

b. Construction of circles and arcs

Level 1 Identify terms and

characteristics of circles.

Determine centre of circle or arcs using two chords.

Construct a circle or arcs based on given criteria:- Radius- Diamete

r- 3 points.

Use Transparencies or graphic materials to explain the terms and characteristics of circles.Explain and show how to determine centre of circle or an arc using two chords.Explain and show how to construct a circle based on given criteria:

- Radius- Diameter- 3 points.-

Use two chords method to determine centre of a circle or an arc.Students draw a circle based on the criteria given.

Resources:Chart of terms and characteristics of circle

4 / MARCH


Lesson Plan


PERIOD / MONTH

4.11 Ellipse And Parabola

a. Characteristics of ellipse and parabola

b. Construction of ellipse

c. Construction of parabola

Level 1

Identify the characteristics of ellipse and parabola.

Construct ellipse using concentric circle method.

Construct parabola using rectangular method.

Identify the difference between ellipse and parabola.

Explain the characteristics of ellipse, parabola and the differences between them using OHP or graphic materials.Demonstrate how to construct ellipse by concentric circle method.Show how to construct parabola by rectangular method

Construct ellipse on major and minor axis.Construct ellipse in rectangle.Construct parabola by rectangular method.

Resources:Model representation of ellipse and parabola.

4 / APRIL

4.12 Tangents

a. Concepts and characteristics of tangent

b. Construction of line tangential to a circle

c. Construction of circle tangential to a line

d. Construction of circle tangential to a circle

Level 1

Explain the concepts and characteristics of tangency - Tangent

between line and circle.

- Tangent between circle and another circle.

Level 2

Locate the point of tangency:- Betwee

n circle

Explain the concept of tangent line (straight line touching to circle or curve).Explain how tangential occur on two curves or two circles.Explain when internal and external touches each other.Explain and show the methods to construct a circle touching a straight line.

Draw a circle tangential to a line

Resources:1. Video show/CD-

ROM related to tangent.2. Illustrations related

to tangent.

8 / APRIL


Lesson Plan


PERIOD / MONTH

- and line.- Betwee

n two lines and circle.

- Between a line and two circles (inside or outside).

- Between two circles touching internally or externally.

- Between straight line and two circles internally or externally.

Construct a line tangential to: - A point

on the circumference of a circle.

- A point outside a circle.

Construct a circle tangential to:- A line

given the radius of the circle.

- Two lines given the

a line tangential to a circle.Draw a common tangent line touching two circles externally.Explain and show how to construct a common tangential line internally.Explain and show how to construct two circles tangential to a line. Explain and show how to construct a circle through a point and tangential to a line at a given point. Explain and show how to construct a circle from a point and tangential to a given line and point.Explain and show how to construct a circle touching another circle externally.Explain and show how to construct a circle touching another circle internally.Explain and show how to construct a tangential circle touching another circle externally at T and through point P.Explain and show how to construct a circle touching another circle and line at point P.Explain and distribute worksheet related to tangent exercises.

Draw a circle tangential to two lines.Draw a line tangential to a circle.Draw a common tangential line touching two circles externally. Draw a common tangential line internally.Draw two circles tangential to a line.

Draw a circle through a point and tangential to a given line and point.

Draw a circle through point P and tangential to the given two lines.Draw a circle touching another circle externally. Draw a circle touching another circle internally.Draw a tangential circle touching another circle externally at T and through point P.Draw a circle touching another circle and line at point P.


Lesson Plan

radius of the circle.

Construct a circle tangential to:- another

circle


PERIOD / MONTH

and tangential to it externally.

- another circle and tangential to it internally.

- Two other circles and tangential to both internally.

- Two other circles and tangential to both externally.

Level 3

Construct a circle tangential to:- another

circle through the given point internally.

- another circle through the given point externally.


Lesson Plan

UNIT 6 : ORTHOGRAPHIC PROJECTION


PERIOD / MONTH

6.1 Concepts and Symbols of First and Third Angle Projections

Level 1

and symbols of first and third angle projections.

Demonstrate and explain first and third angles projection for solid models on chart/ transparencies.

Demonstrate and explain symbols for first and third angles projection.

Compare and construct concepts and symbols of first and third angles projection.

Draw first and third angles projection symbols.

Resources:

Related solid models.

Activities:

Draw Orthographic Projection of simple solid.

2 / APRIL

6.2 Principle of

Quadrants in the First and Third Angle Projections

Level 2

quadrants in the first and third angle

Demonstrate on transparencies the principles of quadrant for first and third angles projection.

Compare first and third angles projection principle. 2 / APRIL


Lesson Plan

projections.


PERIOD / MONTH

6.3 Construction of Third Angle Orthographic Projection

Level 1

orthographic projection of geometrical solids as follows:- solid

flat surface only- solid

inclined surface- solid

circle surface

Level 2

orthographic projection of geometrical solids as follows:-

surface-

surface

Demonstrate method of constructing flat, inclined and circle surface in third angles orthographic projection.

Construct and demonstrate orthographic projection of geometrical solid on oblique and solid curve surfaces.

Construct flat, inclined and circle surface drawings by orthographic projection.

Construct oblique and curve surfaces by orthographic projection.

8 / MAY


Lesson Plan

6.4 Dimensioning of Orthographic ProjectionsConcept and use of dimensioninga. Components

of dimensioningb. Types of

dimension

Level 1 Explain the

concept and dimensioning in orthographic projections:-

system-

Prepared orthographic drawing hand-out.

Explain the concepts and components of dimensions.

Demonstrate and explain methods of

- unidirectional system - aligned system

Compare the unidirectional system to aligned system dimensioning.

Dimensioning the orthographic drawing using: - unidirectional system - aligned system

4 / MAY


PERIOD / MONTH

c. Techniques of dimensioning

Use extension line dimension line, arrow head and leaders according to standard guidelines

Identify types of

dimension: ------

Level 2 Apply

dimensioning techniques on Orthographic Projection Drawing.

6.5 Application of Level 1


Lesson Plan

Orthographic Projection in engineering field

Apply orthographic projection in engineering fields.

On charts/ graphic materials demonstrate how orthographic projection drawing are used in engineering in Mechanical drawing, Building drawing and etc.

In groups students observe and discuss how orthographic drawing are being applied in engineering .

12 / JUN

UNIT 8 : ISOMETRIC DRAWING


PERIOD / MONTH

8.1 Concepts of Isometric Drawing

a. Isometric axis

b. Characteristics of Isometric Drawing

Level 1 Explain the

concept of Isometric:- normal axis- horizontal axis- reversed axis

Identify Isometric Drawing characteristics:- isometric line- non-isometric

line- angle in

isometric- circle in

isometric- curve in

Explain concept of isometric projection.

Explain isometric axes:- Normal axis- Longitudinal axis- Reversed axis

Demonstrate characteristics of isometric drawing- Isometric lines- Non Isometric lines- Isometric angle- Isometric circle- Curves in isometric- Arcs/circles in isometric- Isometric planes- Non isometric planes

Students draw diagram related to isometric projection concept.

Students identify and differentiate various types of isometric axis- Normal/regular axis- Longitudinal axis- Reversed axis

Identify isometric drawing characteristics.

Resources:1. Samples of drawings2. Model

2 / JULY


Lesson Plan

isometric from various engineering fields.

Activities:Draw Isometric Drawing from Orthographic Projections.


PERIOD / MONTH

8.2 Construction of Isometric Drawing on Normal Axis

a. Box method

b. Frame method

Level 1 Construct

Isometric Drawing of geometrical solid by:- Box method- Frame method

Construct isometric circles using four-centre method.

Construct curves in isometric plane using coordinate method.

Construct Isometric Drawing of geometrical solid having surfaces:- Flat

Demonstrate and describe methods to construct isometric drawing by- Box method- Frame method

Demonstrate and explain ways to construct- Isometric circle/arc using

four centred method.- Isometric curve using

ordinate method.

Demonstrate and explain

Students draw simple block using box and frame method.

Students draw isometric circle/arc using four centred method.

Students draw using coordinate method.

Students identify and determine direction of isometric drawing.

Students draw isometric drawing of block with flat, inclined and round surfaces.

Students construct isometric drawing for block an oblique curved surface using frame method.

6 / AUGUST


Lesson Plan

- Inclined- Rounded

Level 2 Construct

Isometric Drawing of geometrical solid having:- oblique surface- curved surface

ways to determine position of isometric drawing from the angle given.

Demonstrate and explain ways to draw isometric drawing on block/solid with flat, inclined and

round surfaces.

Students construct isometric drawing according to correct orientation view.


PERIOD / MONTH

8.3 Dimensioning of Isometric Drawing

Level 1

Dimension Isometric Drawing.

Explain and demonstrate method of dimensioning Isometric drawing on board/ transparencies.

Dimensioning Isometric Drawing based on alligned and unidirectional system.

4 / AUGUST

8.4 Application of Isometric Drawing in engineering field

Level 2

Drawing including exploded view of objects or components from various engineering field.

Explain and demonstrate how to construct exploded view of objects or components from various engineering range of learning.

Construct exploded Isometric drawing for objects or components and of various engineering range of learning based on exercises or questions given by teacher.

6 / AUGUST


Lesson Plan

UNIT 9 : OBLIQUE DRAWING


PERIOD / MONTH


Lesson Plan

9.1

9.2

Concepts of Oblique Drawing

a. Oblique axis

b. Circles, arcs and curves in Oblique Drawing

c. Characteristic of Oblique Drawing

Types of Oblique Drawing

Level 1 Identify

- oblique axis- receding axis- horizontal axis- vertical axis

Explain the concept of circles, arcs and curves in Oblique Drawing

Identify characteristics of Oblique Drawing- oblique lines- non-oblique lines- angles in oblique- circles in oblique- arcs in oblique


Oblique Drawing:- Common Oblique- Cavalier Oblique- Cabinet Oblique

Prepare samples of drawing explain axes in Oblique Drawing

- oblique axis- receding axis- vertical axis

Describe concept of circle, curve and arc in Oblique Drawing

Exhibit samples of common oblique, cavalier oblique and cabinet oblique

Use OHP to narrate concept of Oblique Drawing

Identify axis of oblique drawing

Understand concept of circles, arc and curve in Oblique Drawing

Identify the characteristics of oblique drawing

Construct three types of Oblique Drawings.

2 / SEPT


PERIOD / MONTH


Lesson Plan

9.3

9.4

Selection of orientation of oblique drawing

Constructions of oblique drawing

a. Box method

b. Frame method

Level 2 Select the best

orientation to produce oblique drawing

Level 1 Construct

oblique drawing of geometrical solids using:- Box Method- Frame Method

Level 2 Draw circles on

oblique axis:-four-centered method- coordinate method

Explain and display methods of selecting suitable orientation based on the characteristics of oblique drawing on OHP

Explain and show methods to construct oblique drawing by using

- Box Method- Frame Method

Show methods to construct circles on oblique axes by using- four-centered method- coordinate method

Students select and determine the most suitable oblique drawing orientation

Students construct oblique drawing by using: Box Method Frame Method

Students construct oblique drawing by using Box Method Frame MethodStudents answer questions that teacher has prepared

2 / SEPT

4 / SEPT


Lesson Plan


PERIOD / MONTH

9.5

9.6

Dimensioning of oblique drawing

Application of oblique drawing in engineering field

Level 1

Dimension oblique drawing

Level 2

Apply oblique drawing for objects or components in various engineering fields.

Distribute oblique drawing questions for dimensioning

Explain and demonstrate method of dimensioning oblique drawing by using unidirectional and aligned system

Explain and demonstrate Oblique Drawing on charts or OHP

Students use unidirectional and aligned system to demonstrate Oblique Drawing

2/ SEPT


Lesson Plan

UNIT 18 : ELECTRICAL DRAWING


PERIOD / MONTH

18.1 Introduction to Electrical Drawing

a. Types of Electrical Drawing

b. Standard Electrical symbols

Level 1

Identify Electrical Drawings :- block diagram- schematic

diagram- wiring diagram

Explain the uses of standard symbols for accessories, switches and distribution fuse in Electrical Drawing.

Gather samples of drawings and photo of electrical equipments.

Present and demonstrate different type of electrical symbols on chart and transparencies.

Demonstrate and explain standard symbol using actual accessories and appliances on audio video aids.

Familiarize names and symbols for electrical accessories and appliances.

Students assemble, organize and draw symbols of accessories, wiring and appliances in electrical drawing.

Resources:

1. Electrical appliances and accessories.

2. Sample of wiring circuit.

3. Wiring layout plan.

Activity:

Layout and draw standard symbols of electrical appliances, accessories and wiring in Electrical Drawing.

2 / OKT


Lesson Plan


PERIOD / MONTH

18.2 Application of Electrical Drawing

a. Drawing of domestic layout plan

Level 2 Layout electrical

accessories, wiring and appliances of Electrical Drawing.

Draw standard symbols of electrical appliances and control system according to their respective positions in the domestic layout plan.

Demonstrate and explain methods to draw domestic layout plans.

Explain and discuss accessories, wiring and appliances layout for electrical drawing.

Appendix 18/1Plan layout and accessories/ appliances

Students to complete domestic layout plans together with their accessories.

4 / OKTT


Lesson Plan

UNIT 19 : ELECTRONIC DRAWING


PERIOD / MONTH

19.1 Introduction to Electronic Drawing

a. Types of Electronic Drawings

b. Standard symbols of Electronic Components- functio

ns- polariti

es


Electronic Drawings:- schematic

circuit drawing- wiring circuit

drawing- printed

circuit drawing Identify standard

symbols of electronic components:- Functions- Polarities

Collect samples of circuit drawing and electronic components.

Explain and demonstrate types of electronic drawing and standard symbols on charts or transparencies.

Explain and demonstrate standard symbols and actual electronic components.

Trace printed circuit, draw wiring circuit and schematic circuit.

Resources:1.Electronic components.2.Schematic circuit

diagram.3.Printed circuit board.4.Electronic appliances such as radio, calculator, computer component etc.

ActivitiesTrace wiring circuit and printed circuit.

2 / NOV

19.2 Application of Electronic Drawing

a. Simple schematic circuit

Level 2 Draw schematic

circuit from printed circuit.

Draw schematic circuit from wiring circuit.

Demonstrate and explain Electronic Drawing methods for simple schematic circuit.

Appendix 19/1Schematic Circuit Diagram

Appendix 19/2Extension of sketching component with correct polarity.

Students draw simple schematic circuit given in worksheets.

2 / NOV


yearly lesson plan lk form 4

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