Methods of Shape Construction (Folding, Bending, Casting) (Primary 4- Basic Technology Lesson Note: First Term, Week Eight)

Subject: Basic Technology
Class: Primary 4 (Age 9)
Week of the Term: Week 8
Topic: Methods of Shape Construction (Folding, Bending, Casting)

Instructional Objectives

At the end of the lesson, pupils should be able to:

1. Explain the methods of shape construction: folding, bending, and casting.
2. Demonstrate how to use these methods to create shapes.
3. Discuss the advantages and limitations of each method.

Entry Behaviour

Pupils should have hands-on experience with shapes and materials from the previous week.

Instructional Materials

1. Paper for folding.
2. Wire or soft metal strips for bending.
3. Molds for casting (if feasible, or use modeling clay).
4. Visual aids showing examples of each method.

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Content

Methods of Shape Construction:

• Folding: Manipulating a flat material to create shapes (e.g., origami).
• Bending: Changing the shape of a material without breaking it (e.g., bending metal strips).
• Casting: Pouring a liquid material into a mold to create a shape (e.g., using clay or plaster).

Step 1: Introduction

Lesson Presentation (Step-by-Step Procedure)

Others removed.