Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 1st Term
Week: 5
Age: 15 years
Duration: 45 minutes
Subject: Office Practice
Curriculum Theme: Office Practice
Previous Lesson: Sections of the Office.
Topic: Sections of the Office (Continued)
Subject Matter: General office, mail room, mail room equipment (envelope sealing machine, addressing machine).

Specific Objectives

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

Cognitive Domain:

identify the general office and mail room as sections of an office.
state the functions of the general office.
state the functions of the mail room.
list mail room equipment and state their uses.

Affective Domain:

show interest in careful handling of mails and office documents.
appreciate the importance of accuracy and confidentiality in handling correspondence.

Psychomotor Domain:

identify envelope sealing machine and addressing machine from real samples or pictures.
demonstrate simple steps of preparing an envelope for dispatch using a guided procedure.

participate in discussion on how mails move in and out of an organization.
work cooperatively to match mail room equipment to their correct uses.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
State Unified Scheme of Work
Office Practice Textbook for Senior Secondary Schools
Encyclopaedia Britannica: Office (Business)
USPS: Mailroom Management
Business Correspondence and Workplace Communication

Instructional Materials

The teacher will teach this lesson with the aid of:

envelope sealing machine (if available) or clear pictures
addressing machine (if available) or clear pictures
pictures of a mail room setup and mail handling process
sample envelopes, letters, and dispatch book for demonstration
chart showing general office and mail room duties

Rationale for the Lesson

This lesson helps pupils understand how the general office and mail room support communication in organizations. It also helps pupils know how mails and documents are handled carefully to prevent errors, loss, and leaks.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of office sections such as reception and registry, and they have seen letters and envelopes used for communication.

Lesson Content/Board Summary

Sections of the Office (Continued)

General Office

The general office is the main working area where routine clerical and administrative duties are carried out by office staff.

The following are functions of the general office:

typing and preparing documents such as letters, reports, and memos.
filing and retrieving documents for daily office work.
answering telephone calls and taking messages.
receiving and attending to visitors and enquiries when needed.
preparing records and updating registers for office activities.
supporting other sections by providing information and clerical assistance.

Mail Room

The mail room is the section responsible for receiving, sorting, recording, and dispatching mails and parcels for an organization.

The following are functions of the mail room:

receiving incoming letters, parcels, and courier items.
sorting mails according to departments or officers.
opening mails where permitted and routing them to the right units.
recording mails in an inward and outward mail register.
preparing outgoing mails for dispatch and delivery.
stamping date received and keeping proof of dispatch.

Mail Room Equipment

Mail room equipment are tools and machines used to speed up and improve accuracy in handling mails.

The following are mail room equipment and their uses:

Envelope sealing machine: used to seal large numbers of envelopes quickly and neatly.
Addressing machine: used to print or place addresses on envelopes and labels for quick dispatch.

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 asks pupils how letters and parcels move from one organization to another and guides them to mention sections involved in mail handling.
Pupils’ Activity: Pupils respond with examples from school and community offices and mention letters, parcels, and courier services.
Learning Point: Office sections support communication and smooth flow of information.

Step 2: General Office

Time: 7 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains the meaning of the general office and leads pupils to list its functions, then writes key points on the board.
Pupils’ Activity: Pupils contribute points and copy the summary notes.
Learning Point: The general office carries out routine clerical and administrative duties.

Step 3: Mail Room

Time: 8 minutes
Teaching Skill: Discussion
Teacher’s Activity: The teacher explains the mail room and discusses the flow of mails from receipt to dispatch using examples and a simple chart.
Pupils’ Activity: Pupils participate in discussion and write down the main functions of the mail room.
Learning Point: The mail room receives, sorts, records, and dispatches mails.

Step 4: Mail Room Equipment

Time: 8 minutes
Teaching Skill: Demonstration/Visual Aids
Teacher’s Activity: The teacher displays the envelope sealing machine and addressing machine or their pictures, explains their uses, and guides pupils to identify each equipment correctly.
Pupils’ Activity: Pupils observe, identify the equipment, and state what each is used for.
Learning Point: Mail room equipment improves speed and accuracy in mail handling.

Step 5: Guided Practical Activity

Time: 5 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher demonstrates simple steps of preparing an envelope for dispatch (insert letter, address, seal, record) using samples.
Pupils’ Activity: Pupils follow the steps using sample envelopes and letters in pairs.
Learning Point: Proper preparation of outgoing mail supports correct delivery and record keeping.

Step 6: Summary Notes

Time: 3 minutes
Teaching Skill: Board Work
Teacher’s Activity: The teacher writes a short board summary of general office, mail room, and equipment uses for pupils to copy.
Pupils’ Activity: Pupils copy the summary notes into their notebooks.
Learning Point: Key points on office sections and mail room equipment are recorded for revision.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

State three functions of the general office.
Define a mail room and mention three functions.
List two mail room equipment and state their uses.
Explain why accurate recording of inward and outward mails is important.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 4 minutes
Teaching Skill: Recap/Summarization
Teacher’s Activity: The teacher summarizes the lesson and gives an assignment to write short notes on general office and mail room, including two equipment and their uses.
Pupils’ Activity: Pupils listen, ask questions where necessary, and copy the assignment.
Learning Point: The general office and mail room perform key duties in office communication and administration.

Lesson Keywords

General office – the main working area where routine clerical duties are carried out.
Mail room – the section that receives, sorts, records, and dispatches mails and parcels.
Inward mail – letters and parcels received into an organization.
Outward mail – letters and parcels sent out from an organization.
Envelope sealing machine – a machine used to seal many envelopes quickly.
Addressing machine – a machine used to print or place addresses on envelopes and labels.

Differentiation

Pupils who learn faster will add more examples of mail room documents and describe the mail flow in steps, while pupils who need support will be guided with a simple matching task of equipment and uses with picture clues.

Note for teachers using this lesson plan

Use clear pictures or real samples of the envelope sealing machine and addressing machine where possible. Emphasize exam-ready points by insisting on short definitions, functions, and equipment uses, and relate examples to school mail handling.