Lesson Plan for Senior Secondary 2 - Technical Drawing - Pictorial Views 2

Lessonplan for Senior Secondary 2 students on the topic of "Pictorial Views" in Technical Drawing: --- **Grade Level: Senior Secondary 2** **Subject: Technical Drawing** **Topic: Pictorial Views** **Duration: 90 minutes** --- ### **Objectives:** By the end of the lesson, students should be able to: 1. Understand the different types of pictorial views: Isometric, Oblique, and Perspective. 2. Accurately produce simple pictorial drawings. 3. Interpret and convert orthographic projections into pictorial drawings. 4. Use drawing tools effectively to produce technical drawings. --- ### **Materials Needed:** - Drawing paper - T-Squares - Set squares - Protractors - Compasses - Pencils (various grades) - Erasers - Rulers - Examples of pictorial view drawings --- ### **Introduction (15 minutes):** 1. **Greeting and Attendance** (2 minutes) 2. **Brief Review** (3 minutes) - Quick recap of previous lesson on orthographic projection to establish a connection with pictorial views. 3. **Lesson Introduction** (10 minutes) - Explain what pictorial views are and their importance in providing a 3D representation of objects. - Briefly introduce the three types of pictorial drawings: Isometric, Oblique, and Perspective. --- ### **Instructional Content (50 minutes):** 1. **Isometric Drawing (20 minutes)** - **Explanation** (5 minutes) - Define isometric drawing and explain its characteristics: equal angles (120°) between axes, true scale along axes. - **Demonstration** (10 minutes) - Use the board or projector to demonstrate how to start an isometric drawing using a simple object (e.g., a cube or a simple geometric shape). - **Student Practice** (5 minutes) - Students attempt to draw a similar object in their notebooks using isometric principles. 2. **Oblique Drawing (15 minutes)** - **Explanation** (5 minutes) - Define oblique drawing, explain its features, and mention the two types: cavalier and cabinet. - Discuss the angle used for depth (usually 45°) and scale reduction in Cabinet oblique. - **Demonstration** (5 minutes) - Demonstrate how to create an oblique view of a simple object. - **Student Practice** (5 minutes) - Students practice by drawing an object in oblique view, applying the correct angles and scale reductions. 3. **Perspective Drawing (15 minutes)** - **Explanation** (5 minutes) - Define perspective drawing and how it differs from isometric and oblique drawings. - Discuss vanishing points and horizon lines. - **Demonstration** (5 minutes) - Show how to draw a one-point perspective drawing of a simple object (e.g., a box). - **Student Practice** (5 minutes) - Students begin a simple one-point perspective drawing, focusing on positioning vanishing points and horizon lines accurately. --- ### **Activity (15 minutes):** 1. **Group Activity (15 minutes)** - Divide the students into small groups and provide each group with an orthographic projection of a simple object. - Assign each group to create an isometric, oblique, and one-point perspective view of the given object. - Circulate around the classroom, offering guidance and checking their progress. --- ### **Conclusion (10 minutes):** 1. **Review and Recap (5 minutes)** - Summarize the key points covered: the characteristics of each type of pictorial view and the steps to create each. - Ask students to share their group work and discuss any challenges they faced. 2. **Q&A (3 minutes)** - Allow time for students to ask questions and clarify any doubts. 3. **Assignment and Closing Remarks (2 minutes)** - Give a homework assignment: Create a pictorial drawing of a more complex object (e.g., a piece of furniture) in isometric, oblique, and one-point perspective views. - Encourage students to practice using the tools and techniques discussed. - Announce the next lesson on more advanced Technical Drawing topics. --- ### **Assessment:** 1. **Group Activity Evaluation** - Assess the accuracy and quality of the group drawings during the class activity. 2. **Homework Assignment** - Evaluate the students' submitted work on their complex pictorial drawings. --- This lesson plan provides a comprehensive approach to introducing students to pictorial views in technical drawing, ensuring they gain both theoretical understanding and practical skills.