Solid Geometry · SHS2 Design And Communication…

Lesson notes

Learning Objectives

Indicator: 2.2.2.LI.3 - Design an artefact using the concept of solid geometry.

By the end of the lesson, learners can:

Identify and describe at least five solid geometric shapes (cube, cuboid, cylinder, cone, sphere, pyramid, prism) and their key properties in the context of everyday artefacts.
Explain how the principles of solid geometry, including surface development and curve of intersection covered in previous weeks, influence the design of a chosen artefact.
Work collaboratively in small groups to design an original artefact (for example, a packaging box, an architectural model, or a piece of furniture) that integrates at least two different solid geometric forms.
Produce a labelled freehand sketch or scaled drawing of the designed artefact, clearly indicating the solid shapes used and their dimensions.
Present and justify their design choices to the class, explaining how solid geometry concepts were applied to solve a practical design problem.

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Curriculum details

Strand: Geometry (Strand 2)
Sub-strand: Solid Geometry (2.2)
Content standard: 2.2.2.CS.1 - 2.2.2.CS.1 Apply the concept of solid geometry in designing. 2.2.2.LO.1 Based on the understanding gained from the study of the concepts of solid geometry, construct complex solid geometrical objects. 2.2.2.LO.2 Use the knowledge of AutoCAD to draw simple plane figures.
Indicator: 2.2.2.LI.3 - Design an artefact using the concept of solid geometry.
Suggested placement: Semester 1, Week 18 (Week 18 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: NaCCA curriculum document, p. 62

Exemplars (from the NaCCA curriculum)

Project-based learning: In small groups assist learners to design artefact using the concepts of solid geometry.

Assessment (2.2.2.AS.3). The document marks these depth-of-knowledge levels for this indicator: Level 4 Extended critical thinking and reasoning.

Teaching and Learning Materials:
- Models
- Charts
- reference books
- drawing studio
- Drawing instruments
- access to internet
- LCD Projector