Communicating Designs · JHS1 Career Technology

Lesson notes

Learning Objectives

Indicator: B7.5.1.1.2 - Discuss the types of lines used in graphic communication

By the end of the lesson, learners can:

Identify and name at least six types of lines used in graphic communication, including horizontal, vertical, inclined, arc, continuous thick, continuous thin, and short dash lines.
Describe the features and uses of continuous thick lines, continuous thin lines, and short dash lines with accurate examples.
Illustrate the application of dimension lines, outlines, and construction lines on a simple drawn object.
Create a labelled chart showing how different lines are applied in drawing an object.
Present their chart to the class and appraise their own and peers’ work using simple criteria.

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Curriculum details

Strand: Designing and Making of Artefacts/products (Strand 5)
Sub-strand: Communicating Designs (5.1)
Content standard: B7.5.1.1 - Demonstrate knowledge and skills of drawing materials, instruments/equipment, lines and their applications, and freehand sketching
Indicator: B7.5.1.1.2 - Discuss the types of lines used in graphic communication
Suggested placement: Term 2, Week 12 (Week 24 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Career Technology, Common Core Programme (JHS1-JHS3), 2023, p. 30
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Identify lines used in communicating ideas.
E.g., horizontal lines, vertical lines, inclined lines, arcs, continuous thick and thin lines, short dashes,
2. Describe the features and uses of the lines.
E.g.
- Continuous thick lines-for drawing outlines;
- Continuous thin lines-for drawing construction lines
3. Illustrate the applications of lines in drawn objects.
E.g., indicate dimension lines showing the dimension of an object
4. Make a chart on how the lines are applied in drawing.
5. Present the chart for appraisal.