Class: Junior Secondary School 3 (JSS 3 / JS3)
Term: 3rd Term
Week: 4
Age: 14 years
Duration: 45 minutes
Subject: Business Studies
Curriculum Theme: Business Studies
Previous Lesson: Manuscript: Meaning of Manuscript.
Topic: ERASING TECHNIQUES
Subject Matter: Methods of erasing: Instruments for erasing

Specific Objectives

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

Cognitive Domain:

Define erasing as a business studies concept.
Identify and explain different methods of erasing.
List various instruments used for erasing.

Affective Domain:

Appreciate the importance of neatness and accuracy in business documents.
Value the proper use of erasing techniques to maintain professionalism.

Psychomotor Domain:

Demonstrate the correct use of different erasing instruments.
Apply appropriate erasing methods for various types of errors.

Work cooperatively to discuss the most effective erasing techniques.
Share experiences on challenges faced when erasing mistakes in written work.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
State Unified Scheme of Work
Business Studies for Junior Secondary Schools Book 3
https://www.teachme.com/business-studies-jss3-topic-erasing-techniques-methods-and-instruments-for-erasing/
https://www.studywithjosh.com/lesson-note-on-erasing-techniques-jss3-business-studies/

Instructional Materials

The teacher will teach this lesson with the aid of:

Different types of erasers (rubber, plastic)
Correction fluid (liquid paper)
Correction tape
Pencils, pens, and paper with written mistakes

Rationale for the Lesson

This lesson helps pupils understand how to correct errors neatly and professionally in business documents. Learning proper erasing techniques ensures that written work remains presentable and accurate, which is important for maintaining credibility in business communication.

Prerequisite/Previous Knowledge

Pupils have prior knowledge of writing instruments like pencils and pens, and they occasionally make mistakes that need correction in their daily school work.

Lesson Content/Board Summary

ERASING TECHNIQUES

Meaning of Erasing

Erasing refers to the act of removing or correcting errors, unwanted marks, or writings from a surface, usually paper, to ensure neatness and accuracy in a document or record.

Methods of Erasing

There are different ways to remove errors from written work, depending on the type of writing and the surface. The main methods include:

Rubbing: This involves physically rubbing away pencil marks or some ink marks using an abrasive material like a rubber eraser.
Covering: This method involves applying an opaque substance over the error to hide it, allowing new writing to be placed on top. Correction fluid and correction tape are used for this.
Scraping/Scratching: For permanent ink on certain paper types, a sharp object like a razor blade or sandpaper might be carefully used to scrape off the ink. This method requires extreme caution to avoid damaging the paper.

Instruments for Erasing

Various tools are available to help correct mistakes. The choice of instrument depends on the type of error and the material used for writing.

Rubber Erasers: These are commonly used for removing pencil marks. They come in different forms and are effective for graphite.
Plastic Erasers: Often softer than rubber erasers, they are effective for both pencil marks and some types of ink. They tend to leave less residue.
Correction Fluid (Liquid Paper): This is a white, opaque liquid applied over an error to cover it. Once dry, it can be written over. It is suitable for ink errors.
Correction Tape: This is a dry, white tape that is rolled over an error, providing an immediate surface to write on. It is a cleaner and faster alternative to correction fluid as there is no drying time.
Razor Blade/Sandpaper: These are used with extreme care to scrape off permanent ink from paper. This method can damage the paper if not done properly and should generally be avoided in formal documents.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them if they ever make mistakes while writing and how they usually correct them.
Pupils’ Activity: Pupils respond by sharing their experiences of making mistakes and how they try to correct them.
Learning Point: Pupils recall prior knowledge related to correcting errors and are introduced to the lesson topic.

Step 2: Explanation of Erasing

Time: 8 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher defines erasing and explains its importance in maintaining neat and accurate business records.
Pupils’ Activity: Pupils listen attentively and copy the definition of erasing into their notebooks.
Learning Point: Pupils understand what erasing means and why it is important.

Step 3: Discussion on Methods of Erasing

Time: 10 minutes
Teaching Skill: Discussion/Elaboration
Teacher’s Activity: The teacher explains the different methods of erasing, such as rubbing, covering, and carefully scraping, providing examples for each.
Pupils’ Activity: Pupils participate in the discussion, ask questions for clarity, and take notes on the various methods.
Learning Point: Pupils learn about the different ways errors can be corrected.

Step 4: Identification of Erasing Instruments

Time: 7 minutes
Teaching Skill: Identification/Demonstration
Teacher’s Activity: The teacher displays different erasing instruments (erasers, correction fluid, correction tape) and names them, explaining what each is used for.
Pupils’ Activity: Pupils observe the instruments and identify them, noting their specific uses.
Learning Point: Pupils can identify and differentiate between various erasing instruments.

Step 5: Demonstration of Erasing Techniques

Time: 5 minutes
Teaching Skill: Practical Demonstration
Teacher’s Activity: The teacher demonstrates the correct way to use each erasing instrument on a piece of paper with different types of errors (pencil, pen ink).
Pupils’ Activity: Pupils watch the demonstration carefully, observing the proper techniques for each instrument.
Learning Point: Pupils see practical application of erasing techniques.

Step 6: Practical Application by Pupils

Time: 5 minutes
Teaching Skill: Practical Application
Teacher’s Activity: The teacher distributes paper with pre-written errors and allows pupils to practice using various erasing instruments to correct them.
Pupils’ Activity: Pupils practice erasing errors using the provided instruments, trying out the techniques demonstrated.
Learning Point: Pupils gain hands-on experience in using erasing instruments correctly.

Step 7: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning/Assessment
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is erasing?
Mention two methods of erasing.
List three instruments used for erasing.
Explain why neatness is important when correcting errors in business documents.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 5 minutes
Teaching Skill: Summarization/Assignment
Teacher’s Activity: The teacher summarizes the key points of the lesson and assigns homework, asking pupils to list the advantages and disadvantages of using correction fluid versus correction tape.
Pupils’ Activity: Pupils listen to the summary, ask any final questions, and copy down the homework assignment.
Learning Point: Pupils consolidate their understanding and are encouraged to research further.

Lesson Keywords

Erasing – Removing errors or unwanted marks from a surface.
Correction Fluid – A white liquid used to cover ink errors.
Correction Tape – A dry, white tape used to cover errors immediately.
Eraser – A rubber or plastic tool used to remove pencil or some ink marks.
Neatness – The quality of being tidy and organized.

Differentiation

For struggling learners, the teacher will provide more one-on-one guidance during the practical session and simplify the definitions. Advanced learners will be encouraged to research the history of different erasing tools and their evolution, or to discuss the legal implications of extensive erasing in official documents.

Note for teachers using this lesson plan

Ensure a variety of erasing instruments are available for demonstration and pupil practice. Emphasize the importance of neatness and accuracy in all written work, especially in a business context. Encourage pupils to choose the appropriate erasing method based on the type of error and the document’s importance.