Class: Primary Six
Term: First Term
Subject: Basic Science and Technology
curriculum Theme: Basic Technology
Previous Lesson: Drawing Instruments
Topic: Drawing Instruments and Their Uses
Content/Learning Area: Uses Of Drawing Instruments
Time Allocation: 40 minutes
Performance Objectives
By the end of the lesson, pupils should be able to:
- Cognitive Domain:
– Identify six drawing instruments and explain their uses.
- Affective Domain:
– Demonstrate gratitude for the importance of precision in technical drawings.
- Psychomotor Domain:
– properly handle and use drawing instruments to draw basic shapes.
- Social Domain:
– Work collaboratively in groups to discuss the importance of each drawing instrument.
Reference Materials
- 9 – Years Basic Education Curriculum
- Abuja educational Resource Center Scheme of work
- NAPPS National Unified Scheme of Work
- Online Facts from Civiconcepts – Drawing Instruments And Their Uses
- Relevant Textbooks
Instructional Materials
To deliver this lesson, the teacher will employ the help of the following materials:
- A set of drawing instruments (e.g., rulers, compasses, protractors)
- Large chart showing diffrent drawing instruments and their uses
- Whiteboard and markers
- Sample technical drawing
Rationale for the Lesson
This lesson is crucial as it lays the groundwork for future technical drawing skills. Understanding and using these instruments accurately is vital for precision in design and engineering.
Prerequisite/Previous Knowledge
Pupils have likely encountered some basic drawing tools in previous classes.
Lesson Content
Drawing Instruments and Their Uses
Here are some common drawing instruments and their uses:
- Ruler: Used for measuring and drawing straight lines.
- Compass: used for drawing circles and arcs.
- Protractor: Used for measuring and drawing angles.
- Set Squares: Used for drawing perpendicular and parallel lines.
- Dividers: Used to transfer measurements between parts of a drawing.
- French Curve: Used to draw smooth, irregular curves.
These tools are essential for creating precise and accurate technical drawings, crucial in many fields.
Drawing Instruments and Their Exact Uses
A ruler or scale measures and guides straight lines; a set square constructs common angles and perpendicular or parallel lines; a compass draws circles and arcs; a protractor measures angles; pencils of suitable grade make construction lines.
Accuracy requires a sharp pencil, aligned zero mark and steady instrument. A ruler edge should not be used as a cutting guide unless it is designed and supervised for that purpose.
Teaching Methods
To deliver this lesson, the teacher will adopt the following methods: Discussion,Presentation,Explanation,Practical activity,Note-taking,Questioning,and summary.
Instructional Procedures
To deliver this lesson,the teacher will adopt the following steps:
Step 1: Introduction
Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: Introduces the lesson by showing actual drawing instruments and asking pupils about their prior knowledge.
Pupils’ Activity: Pupils respond by sharing what they know about drawing instruments.
Step 2: Identification of Instruments
Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: Shows and names six drawing instruments, explaining the purpose of each one.
Pupils’ Activity: Pupils observe the instruments and note down their names.
Step 3: Explanation of Uses
Time: 10 minutes
Teaching skill: Explanation
Teacher’s Activity: Explains the specific uses of each instrument and demonstrates how they are used.
Pupils’ Activity: Pupils watch the demonstration and ask questions for clarification.
Step 4: Hands-On Practice
Time: 10 minutes
Teaching Skill: Practical Activity
Teacher’s Activity: Guides pupils to use drawing instruments in groups to draw basic shapes.
Pupils’ Activity: Pupils practice using the instruments to create simple drawings.
Step 5: Note-Taking
Time: 5 minutes
Teaching Skill: Notetaking
Teacher’s Activity: Dictates key points for pupils to write down in their notebooks.
Pupils’ Activity: Pupils write down the notes as instructed.
Step 6: Evaluation/Review
Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Asks questions to evaluate pupils’ understanding of the lesson.
Pupils’ activity: Pupils answer questions and participate in the review session.
Step 7: Conclusion
Time: 5 minutes
Teaching Skill: Summary
Teacher’s Activity: Recaps the lesson and emphasizes the importance of each drawing instrument.
Pupils’ Activity: Pupils listen and ask final questions if any.
Lesson Keywords
- Ruler – A tool used for measuring and drawing straight lines.
- Compass – An instrument used for drawing circles and arcs.
- Protractor – A tool used for measuring and drawing angles.
- Set Squares – Instruments used for drawing perpendicular and parallel lines.
- Dividers – used to transfer measurements between parts of a drawing.
- French Curve – Used to draw smooth, irregular curves.
Lesson Evaluation
To evaluate the learning, the teacher asks pupils to:
- Name and describe the use of three drawing instruments.
- Show how to use a ruler and compass to draw a simple shape.
- Explain why accuracy is important in technical drawing.
- In pairs, identify instruments used in a given technical drawing.
Assignment/Homework
- List five different drawing instruments and their specific uses.
- Draw a simple house plan using a ruler,pencil,and paper.
- Explain the importance of using the correct drawing instrument for each task.
Differentiation
- For slower learners: Provide simplified diagrams and one-on-one assistance with instrument usage.
- For advanced learners: Challenge them to create more complex drawings and explore advanced techniques.
- For visual/auditory/kinesthetic learners: Use visual aids, verbal explanations, and hands-on activities to cater to different learning styles.
Note for Teachers
Ensure that pupils handle the drawing instruments with care to avoid accidents. Encourage pupils to practice regularly to improve their skills. Provide clear and concise instructions during demonstrations.

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