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EDUC: 22241 - Teaching Methods

W. Tillett

15/10/11

Lesson Plan Recitation Method

Lesson Plan: Recitation Method

Instructor: ______Wayne Tillett_______

Date: _12 th Sept. 2011___ _ Grade Level & Subject: __ TD Level 1(2 st form)

Unit Topic: _Tech. Drg. Inst. /Matl. Lesson 1 in Unit 1: Care and Use of Inst./Matl.__

Planning

Module Goal:

This Module is designed to introduce trainees to basic knowledge and skill of Technical Drawing. This module focuses on the different types of equipment and provides the trainee with background on preparing drawing paper. The module will serve as a tool to guide and prepare the trainees to convey ideas and information through drawing, which is a basic and natural form of communication. The exercise in the module are geared to help trainees to recognize that technical drawing is a universal language that can be used to record the objects and actions of everyday life in a manner that everyone can easily recognize and understand.

Behavioral Objective:

1. Given the notes, trainees will be able to, identify seven basic drafting instruments/materials.(Cognitive: Comprehension)

2. Given handouts, trainees will be able to, state the use of seven basic drafting instruments/materials.(Cognitive: Knowledge)

3. Given handout, trainees will be able to, explain 10 out of 16 points for proper use and care of drafting instruments/material.(Cognitive: Comprehension)

4. Through oral questioning, trainees will share opinion on the importance of the care and proper use of drafting instruments/materials.(Affective: value)

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Essential Question(s):

What are the seven basic tools used in the drafting room?

1. What are the seven (7) basic instrument/material used in the drafting room?2. What is the use of the following drafting instruments?

a. T-squareb. Set squarec. Protractord. Compasse. Drawing paperf. Drawing pencilg. Drawing board

3. What are the ten (10) points to remember for the proper use and care of drafting instruments/materials?

4. Why is it important to adhere to the proper use of drafting instruments/materials?

Assessment of BO/ EQ:

Class participation Oral question on use and care of drafting instruments/materials. Note taking Worksheet completion

Preview Skill:

Identify basic tools used in technical drawing List use of basic technical drawing tools Listing rules for producing accurate drawings Explain point for care of drafting instruments/materials. Share opinions on proper care of drafting instruments/materials.

Daily Planner: [Overview: list activities and estimated times]

Teaching or Learning Activity Estimated Time (80 min)

1. Begin Class 3 min Take Attendance Post EQ’s on white board.

2. Activating Strategy 8 min Have trainees list tools used

for general drawing.3. Development of lesson( Lecture, Oral questioning) 32 min4. Introduction of new content(Lecture, Oral questioning) 22 min

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5. Summary/Conclusion (Complete worksheet) 15 min

Lesson Format: DIRECT INSTRUCTION

Activating Learning Strategies

______8____ minutes

Activator & Description / Include instructional grouping of students:

The instructor will open the lesson by having trainees list tools used for general drawing of shapes and figures. He will make a list on the white board of the trainees’ suggestions. From the list he will high light, and add if necessary, the basic ones which will be discuss in class.

Teaching New Content

_____54_____ minutes

Describe Procedures for teaching new content:

A. New Content: Presentation, Use of 7 basic instruments/materials.

Direct Instruction – The instructor will pass out handout which shows diagrams of the seven (7) basic instruments/materials which will be discuss in class. Lecture with power point presentation will be used for each of the seven (7) instruments/materials, while trainees listen and high light notes.

Power Point and Handout 1: Use of 7 basic drafting instruments

THE T-SQUAREHorizontal lines are drawn with the T-SQUARE,Fig. 1 & 2. It also supports triangles when they are used todraw vertical and inclined lines.The T-square consists of two parts, the head andthe blade or straight edge. The head is usually fixedsolidly to the blade; however, a T-square with a protractorhead and adjustable blade is also available.Clear plastic strips inserted in the blade edge ofsome T-squares makes it easier to locate referencepoints and lines.The blade must never be used as a guide for a knifeor other cutting tool.If accurate line work is to be done, it is essential thatthe head of the T-square is held firmly against the working edge of the board.It is recommended that the blade be left flat on the board or

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suspended from the hole inits end. This will keep warping or bowing of the blade to aminimum.

USING THE T-SQUARE TO DRAW HORIZONTAL LINES

USING T-SQUARE TO DRAW INCLINED PLANES

SET SQUARES (TRIANGLES ) When supported on the T-square blade, the 30-60 deg.and 45 deg. TRIANGLES, Fig. 4, are used to draw verticaland inclined lines. They are made. of transparent plasticand are available in a number of different sizes.

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To prevent warping, the triangle should be left flat on thedrawing board when not being used.Angles of 15 and 75 deg. can be drawn by combiningthe triangles.To draw vertical lines accurately, rest triangle solidly onthe T-square blade while holding the T-square head firmlyagainst the working edge of the drawing board fig.5.Setsquares are available in various heights, e.g., 6 inches, 8 inches, 10 inches, and 12 inches.

(a) 300 – 600 set square (b) 450 set square

Fig. 4

USING A SET SQUARE

Right-handed trainees Left-handed trainees

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Fig. 5

PROTRACTORSA PROTRACTOR, Fig. 6, is used to measure andlay out angles on drawings. They are usually made ofclear plastic and may be either circular or semicircular inshape. The degree graduations are scribed or engravedaround the circumference of the protractor.When measuring or laying out an angle, place thecenter lines of the protractor at the point of the requiredangle as shown in Fig. 6. Read or mark the angle fromthe graduations on the circumference of the tool.

Fig. 6COMPASS

In drafting, circles and arcs are drawn with a COMPASS,Fig. 7. For best results the lead should be adjusted so that itis about 1/32 in. shorter than the needle. Both legs will be thesame length when the needle penetrates the paper. Fit thecompass with lead that Is one grade softer than the pencilused to make the drawing. The lead must be kept sharp.Several attachments are available for use with thecompass.To set the compass to size, draw a line on apiece of clean scrap paper and measure off therequired radius. Set the compass on this line.Avoid setting a compass on a scale. "Sticking"the compass needle into the scale will eventuallydestroy its accuracy. You will probably use acircle template instead of a compass.

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Fig. 7

DRAFTING PAPER (DRAFTING MEDIA)Drawings are made on many different materials - paper,tracing vellum, film, etc. A heavyweight opaque paper that iswhite, buff or pale green in color is used in many schooldrafting rooms.While this paper takes pencil lines well, it is difficult to erasebecause the pencil point makes a depression in the paperwhen a line is drawn. If this material is used, take special careto prevent mistakes.Industry make much use of vellum and film becausereproductions or prints must, be made of all drawings.Drawing media is available in either sheet or roll form.Standard sheet sizes are identified by letter size:A - 8 1/2 x 11 or 9 x 12 (The one we will be using)B - 11 x 17 or 12 x 18C - 17 x 22 or 18 x 24D - 22 x 34 or 24 x 36E - 34 x 44 or 36 x 48PENCILSAs most drawings are prepared with a pencil, it is important that the proper pencil beselected. The drawing media used will determine the type of pencil that should be used. Theconventional graphite lead pencil is satisfactory with most papers and tracing vellums, while apencil with plastic lead is necessary if the drawing is made on film.The draftsman can select from 18 grades of pencils thatrange in hardness from 9H (very hard) to 7B (very soft) fig.8b.

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Many draftsmen use a 4H or 5H pencil for layout workand an H or 2H pencil to darken the lines and to letter. Ingeneral, use a pencil that will produce a sharp, denseblack line because this type of line reproduces best onprints.Avoid using a pencil that is too soft. It will wear rapidly,smear easily and soil your drawing. Also, the lines will be "fuzzy" and will not produce usable prints.A conical shaped pencil point Is preferred for most general purpose drafting. To sharpen thepencil, cut the wood away from the unlettered end. Use a knife or mechanical sharpener andpoint the lead on a pencil pointer.A semiautomatic pencil, Fig. 8a, is usually preferred to a wood pencil. With this type pencil it is not necessary to cut away the wood to expose the lead. The extended lead is shaped on apencil pointer.

fig. 8a For accurate layout For general drawing Use almost exclusively

work and sketching for artwork

fig. 8b

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DRAWING BOARDThe DRAWING BOARD, fig. 9, provides thesmooth, flat surface needed for drafting. The tops of manydrafting tables are designed for this purpose. Individualdrawing boards are manufactured in a variety of sizes.The majority of them are made from selected, seasonedbasswood.(reference will be made to drafting table in classroom)The right-handed draftsman will use the left edge ofthe board as the working edge; the left handed draftsmanthe right edge. The working edge should be checkedperiodically for straightness.Draftsmen often tape a piece of heavy paper or aspecial vinyl board cover to the working face of thedrawing board to protect its surface. The vinyl surface iseasily cleaned.

Fig 9

Guided Practice – The instructor and trainees will discuss the use of each drafting instruments/materials mentioned.

Formative Assessment – The instructor questions to recap the main points.(EQ)Q1. What are the seven (7) basic instruments/materials

used in drafting?Q2. What is the use of the following drafting

instruments/materials?T-squareSet square (triangles)ProtractorCompassDrafting paper (Drafting media)PencilDrafting board.

Direct Instruction – Instructor transition to next content topic:

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Now that we are familiar with the basic drafting instruments. It is very important also to know how to care for and use them properly. In knowing to do this you will produce neat and accurate work.

B. New Content: Care and proper use of instruments/materials Activator – The instructor will give some examples

showing some results when instruments/materials are not properly taken care of. He will also show incorrect use of the drafting instruments/materials. Reference will be made to the pencil in particular and the screws located on the head of the T-square fig 10 to 13.

The pencil as it comes from the draftsman’s sharpener. The lead is exposed and un-pointed.

Fig.10

A long, tapering point produces clean, sharp lines.

Fig.11

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Handout will be given at this pointAvoid dull, stubby points. Poor line-work results

Fig.12

POSITION OF PENCIL WHEN IN USE

Fig. 13Handout will be given

Direct Instruction –The instructor will explain the point on aid to accuracy on handout.

Power Point and Handout 2: Care of Instruments, “ Aids to accuracy”

i. Keep your instruments clean.ii. Do not abuse your instruments.

iii. Be certain that the screws that ensure the T- square blade to the head are securely tightened.

iv. Set Square should not be placed against the lower edge

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of the T- Square.v. Avoid drawing vertical lines with the T- Square placed

against the bottom or top edge of the drawing board.

vi. Always use the setsquare in conjunction with the T- Square, unless the line to be drawn is inclined at an angle not contained in the set- square.

vii. Measure accurately.viii. Use light, inconspicuous dot to record your

measurement on the drawing paper.ix. When possible, make your measurements along

exiting lines.x. Views of objects that are drawn to the actual size of

the object are said to be drawn full size. Scale – full size can also be stated as scale – 12” = 1’ – 0 "

xi. Keep the pencil sharp.xii. A properly sharpened pencil does not require heavy

pressure to produce clean, sharp lines.xiii. To ensure control of the pencil, hold it to the

sharpened end.xiv. Rotate the pencil slowly, away from you, as you draw

a line.xv. Sharpen the pencil at the end that does not indicate the

grade of the pencil.xvi. Do not push the pencil. Draw it in the direction it is

leaning. Formative Assessment/Instructor & Trainee Summary

– Wrap (EQ):Q3. What are 10 points to remember in order to

produce neat accurate drafting work?Q4. Why is it important to adhere to the proper use of

drafting instruments/materials?

Lesson Closure

_____15______ minutes

Trainee Summary: Trainee will use hand out on new content learn to complete short answer questions of worksheet provided by instructor to turn in. (see attached)

Teacher Summary: The teacher will wrap up with random questions and instruct students to complete the worksheet. The assignment will also be given.

Homework Assigned 1. Trainee is required to bring for next class all of the basic

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equipment/ material discussed.2. Finish worksheet at the end of the unit in the textbook.

Technical Drawing Level 1 (Unit 1, Page M1-19)

Materials/Resources/ Technology/Safety

Textbook: Technical Drawing Level 1 (Trainee’s Manual, Module 1, Unit 1, pages M1-3 to M1-18).Plane and Solid Geometry 1st Edition ( chapter 1, pages 4 to 8)CompassRulerSet SquareClean Class room.PencilEraserhandoutsMarkersColoured Typing SheetsProjector (infocus)

Supplemental material: http://www.ubatc.edu/course-d/intro-draft/tools_lessons.htmhttp://www.technologystudent.com/designpro/drawdex.htm

Evaluation StrengthsInstructor:The handout provided by instructor was appropriate for lesson. It offers lots of visuals and the information was clear and to the point.Trainees:The trainee exhibited attentiveness to presentation. The trainees participated well in questioning sessions.Follow-up Activities:Worksheet was completed by trainees and approximately 80% of the class got 10 question correct form worksheet.Due to financial constraints trainees purchase instruments of inferior quality.

Areas For Improvement:The furniture used is not appropriate for 54 min of lecturing. The seats are too tall making it uncomfortable sitting down for long periods. This is best done in a traditional classroom setting, with arm chairs.

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WorksheetDrafting instruments/materialsTEST YOUR KNOWLEDGE -UNIT 1

1. The drawing board provides the _________________________________________2. A piece of heavy drawing paper or a special vinyl board cover is sometimes attached to the

working surface of the board to:a) Provide a drawing surface.b) Protect its surface.c) Provides a surface to work out problems.d) All of the above.e) None of the above.

3. The T-square is used to ________________________________________________

4. Vertical and inclined lines are drawn with ___________________________________5. The compass is used in drafting to draw ___________________________________6. Why is it important to slowly rotate the pencil away from you when you draw a line?

____________________________________________________________________7. Angles can be measured and laid out on drawings by using a ___________________8. The ___________________________ or pencil is recommended for layout work.9. An ___________________________ or _________________________ pencil is used to

darken the lines and for lettering.10. Why is it important to keep instrument clean? ___________________________________________________________________11. List the five standard sheet sizes used in drafting:a. ___________________________b. ___________________________c. ___________________________d. ___________________________ e. ___________________________12 List 10 points to remember in order to produce neat accurate drafting work.