BASIC TECHNOLOGY JS III SECOND TERM
SUB-THEME: DRAWING PRACTICE

Note: This scheme contains performance objective, content, teacher and students activities as well as teaching resources.

Week 1: Orthographic Projection I
Objective: Students should be able to:
(1) explain the meaning of orthographic projection.
(2) identify components of orthographic projection.

Content:
(1) Meaning
(2) Components
-Principal plane
-Angles of projection.

-Principal view.
Teacher: (1) Explains the term orthographic projection. (2) Names and illustrates the principal views and planes of projection.
Students: (1) Examine orthographic drawings and projections. (2) Discuses the components of the projection.
Resources: (1) Drawing sheets (2) Drawing instrument e.g. T- square, drawing board etc.

Week 2: Orthographic Projection II
Students should be able to:
(1) describe the principal views in
(2) draw the orthographic views of
simple objects.

Content:
(1) Placing principal views in the quadrants.
(2) Dimensioning techniques.
Teacher: (1) Draws orthographic views of simple objects in the first and third projections. (2) Demonstrates various dimensioning techniques. Students: Draws orthographic views of simple objects in the first and third angles, layout properly and dimension correctly.
Resources: (1) Drawing sheets. (2) Drawing instruments e.g. T- square drawing board etc.

Week 3 & 4: One- Point Perspective Drawing
Objective: Students should be able to:
(1) explain one-point perspective drawing with examples.
(2) state the principles one-point
perspective drawing.
(3) make one-point perspective drawing of simple shaped blocks.

Content:
(1) One-point perspective drawings: -meaning
-examples
(2) One-point perspective drawings practice.
Teacher: (1) Explains one-point perspective drawings and its principles. (2) Demonstrates one-point perspective drawing of a model.
(3) Guides and supervise students as
they make one-point perspective drawings of shapes and blocks.
Students: (1) Listens to teacher explanation. (2) Watch teacher’s demonstration. (3) Practice one-point perspective drawing of simple shapes and blocks.
(1) Drawing sheets.
(2) Drawing instrument.

Week 5: Scales and Scales Drawing I
Students should be able to:
(1) use the metric rule to measure
lengths and compare sizes.
(2) explain scale drawings.

Content:
(1) Meaning and comparing given
sizes.
(2) Scale drawing:

-Full-size 1:1
-Scale reduction e.g. 1:5, 1:10, 1:20, 1:100 etc.

-Scale enlargement e.g. 2:1, 3:1, 5:1 etc.
(1) Guides students to examine and
identify scaled drawings.
(2) Demonstrates techniques for scale
drawing.
(1) Examine scale drawings.
(2) Watch teacher’s demonstration.
(1) Metric rule
(2) Drawing instruments e.g. pencil, drawing paper, eraser, drawing board, t- square etc.
Students to:
(1) measure length and compare sizes.
(2) identify scale drawings.

Week 6: Scales and Scale Drawing II (1) identify scales used in drawing.
(2) draws objects to given scales.

Content:
Scale drawing:

-Full-size 1:1
-Scale reduction e.g. 1:5, 1:10, 1:20 1:100 etc.

-Scale enlargement e.g. 2:1, 3:1, 5:1 etc.
Teacher: (1) Demonstrate techniques for scale drawing. (2) Supervise students as they draw objects to given scales.
Students: (1) Watch teacher’s demonstration. (2) Draw objects to scale.
Resources: (1) Metric rule (2) Drawing instrument e.g. pencil, drawing paper, eraser, drawing board, T- square etc. (3) Samples of scaled drawings.

Week 7 Drawings of Plans and Blue- Print
Objective: Students should be able to:
(1) interpret symbols can plans and blue-prints.
(2) identify the components of a
building plane.
(1) Common symbols used in plans and blue- prints and their interpretations.
(2) Identification of building components (fittings; sanitary wares e.g. sink, bath showers, soak-away skeptic tank, sockets windows, doors
etc.) on building plan.
(1) Displays building plans.
(2) Leads students to identify and
interpret common symbol used in
plans and blue- prints.
(3) Moderates class discussion of
components of building plans.
(1) Examine simple plan/blue- prints and indentify the various components of the plan.
(2) Participates in discussions and blue print reading.
(1) Building Plans
(2) Charts showing various architectural symbols, scale, rule,
etc.

Week 8: Drawings of Plans and blue- print
Objective: Students should be able to draw and interpret the plan of their classroom.

Content:
Blue-print drawing techniques.
Teacher: Demonstrates correct techniques for plans/blue print drawings.
Students: Practice drawings of plans and blue print.
(1) Building plans.
(2) Charts showing various architectural symbols, scales rule, etc.
(3) Drawing instruments and materials.

Week 9: Wood work Project
Objective: Students should be able to:
(1) select and use appropriate tools,
machines and materials for wood
work.
(2) construct simple household
furniture.
Production of various objects using simple wood work machines and
tools e.g. wooden tables, stools, boxes, photo frame, T-square, pot stand, book rack, book stand, shelf, etc.
(1) Display the wood materials and
explain their uses.
(2) Designs relevant project that
involves: measuring marking out, cutting joining and polishing of wood.
(3) Demonstrates the steps involved.
marking out, cutting common joints.
(4) Guides, supervise and assess
students projects.
Students: (1) Participates in class and workshop activities.. (2) Choos project, make sketches, select materials and produce objects. (3) Observe safe use of hand tools and other workshop safety rules (4) Exhibit their projects.
(1) Timber
(2) Wood work machines and tools
(3) Safety posters.
(4) First aid materials
(5) Non-wood materials e.g. adhesive, nails screws, hinges, wood polish etc.
(6) wood work workshop.

Week 10: Metal Projects

Objective: Students should be able to produce various objects using the machines.

Content:
(1) Production of bottle openers.
(2) Production of trash bin/cans, coal
pots, etc.
(3) Production of metal stools, chairs
and benches.
Teacher: (1) Designs relevant project that involves measuring, cutting, marking, filling and finishing.
(2) Guides students to carry out the
projects. (3) Supervises and assess students projects.
Students: (1) Select appropriate tools for the project (cutting, filling, drilling, bending and folding tools.
(2) Prepare and discuss project template/blue print with their peer.
(3) Follow blue-print to fabricate metal work. (4) Exhibits their projects.
Resources: (1) Iron sheets (2) Iron rods (3) Hand tools (4) Metal work tools used for measuring cutting, filling and finishing.

11&12 REVISION / EXAMINATION