Class: Senior Secondary School 2 (SS2 / SSS2)
Term: First Term
Week: 4
Age: 16 years
Duration: 45 minutes
Subject: Store Management
Curriculum Theme: Store Operations and Record Keeping
Previous Lesson: Filing and Indexing: Meaning, Methods and Filing Systems.
Topic: Source documents
Subject Matter: Meaning, types, and importance of source documents.
Specific Objectives
By the end of the lesson, pupils should be able to:
Cognitive Domain:
- Define source documents.
- Identify various types of source documents.
- Explain the importance of source documents in business.
Affective Domain:
- Appreciate the need for accurate record-keeping in store management.
- Participate actively in discussions about different source documents.
Psychomotor Domain:
- Recognize and differentiate between various samples of source documents.
- State the specific use of at least three types of source documents.
Social Domain:
- Collaborate with peers to identify and discuss the uses of source documents.
- Share ideas on how source documents aid business operations.
Reference Materials
The following resources were used in planning this lesson:
- Senior Secondary Schools Education Curriculum
- State Unified Scheme of Work
- Essential Store Management for Senior Secondary Schools, Book 2
Instructional Materials
The teacher will teach this lesson with the aid of:
- Samples of cheques
- Invoice samples
- Purchase order samples
- Receipt samples
- Credit note samples
- Debit note samples
- A chart showing different source documents and their uses
Rationale for the Lesson
This lesson helps pupils understand the fundamental records that support all business transactions. Knowing about source documents is important for accurate record-keeping, financial accountability, and effective store management.
Prerequisite/Previous Knowledge
Pupils should have a basic understanding of business transactions and the need for records in commercial activities.
Lesson Content/Board Summary
Source Documents
Meaning of Source Documents
Source documents are original written records that provide evidence and details of business transactions. They capture the essential information of an event, such as the date, parties involved, description of goods or services, and the amount.
Types of Source Documents
The following are common types of source documents:
- Cheque: An order written to a bank to pay a stated sum of money to the person or company named on it.
- Invoice: A commercial document issued by a seller to a buyer, indicating the products, quantities, and agreed prices for products or services the seller has provided to the buyer.
- Purchase Order: A commercial document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services.
- Receipt: A document acknowledging that a person has received money or property in payment of a debt or for a purchase.
- Credit Note: A document issued by a seller to a buyer to reduce the amount the buyer owes, usually due to returned goods, damaged goods, or overcharges.
- Debit Note: A document issued by a seller to a buyer to increase the amount the buyer owes, often for undercharges or additional charges.
- Statement of Account: A summary of financial transactions between a business and a customer over a period, showing all invoices, payments, and balances.
- Cash Register Slip/Till Roll: A record of sales transactions made through a cash register, often given to customers as a receipt.
- Delivery Note: A document accompanying a shipment of goods, listing the description and quantity of goods delivered.
- Waybill: A document issued by a carrier giving details and instructions relating to the shipment of a consignment of goods.
Importance of Source Documents
The following are reasons why source documents are important:
- Evidence of Transactions: They provide proof that a transaction actually occurred.
- Record Keeping: They form the basis for recording entries in ledgers and other accounting books.
- Auditing: They are essential for auditors to verify the accuracy and validity of financial statements.
- Facilitates Reconciliation: They help in comparing and matching records to ensure consistency.
- Legal Compliance: Many transactions require documentation for legal and regulatory purposes.
- Internal Control: They help in monitoring and controlling business operations and preventing fraud.
- Decision Making: They provide historical data that can be used for future business planning and decision-making.
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 to recall any document they receive when they buy something or pay for a service.
Pupils’ Activity: Pupils respond by mentioning documents like receipts or invoices.
Learning Point: Pupils are introduced to the concept of transaction records.
Step 2: Meaning of Source Documents
Time: 10 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher explains the meaning of source documents, emphasizing that they are original records providing evidence of transactions. The teacher writes the definition on the board.
Pupils’ Activity: Pupils listen attentively, ask questions for clarification, and copy the definition into their notes.
Learning Point: Pupils understand what source documents are.
Step 3: Types of Source Documents
Time: 10 minutes
Teaching Skill: Demonstration/Listing
Teacher’s Activity: The teacher presents samples of various source documents (cheques, invoices, receipts, etc.) and lists their names on the board. The teacher asks pupils if they have encountered any of these documents.
Pupils’ Activity: Pupils identify the documents shown and share their experiences with them. They copy the list of types from the board.
Learning Point: Pupils can identify different types of source documents.
Step 4: Uses of Types of Source Documents
Time: 5 minutes
Teaching Skill: Explanation/Discussion
Teacher’s Activity: The teacher briefly explains the specific use or purpose of each type of source document listed, using the samples as visual aids.
Pupils’ Activity: Pupils observe the samples and listen to the explanations, connecting each document to its function.
Learning Point: Pupils understand the function of each source document.
Step 5: Importance of Source Documents
Time: 5 minutes
Teaching Skill: Guiding/Elaboration
Teacher’s Activity: The teacher guides pupils to state the importance of source documents by asking questions like “Why do businesses keep these records?” and then elaborates on points like evidence, record keeping, and auditing.
Pupils’ Activity: Pupils contribute their ideas on the importance and listen to the teacher’s further explanations, noting down key points.
Learning Point: Pupils understand why source documents are essential in business.
Step 6: Class Activity/Discussion
Time: 5 minutes
Teaching Skill: Group Work/Discussion
Teacher’s Activity: The teacher divides pupils into small groups and gives each group a few sample documents. Each group discusses and identifies the document, its purpose, and its importance.
Pupils’ Activity: Pupils work in groups, discuss the documents, and prepare to present their findings.
Learning Point: Pupils reinforce their understanding through collaborative learning.
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 are source documents?
- Mention four types of source documents.
- State two reasons why source documents are important in a business.
- Explain the purpose of an invoice.
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
Teacher’s Activity: The teacher summarizes the key points of the lesson, reiterating the definition, types, and importance of source documents. The teacher also assigns homework for pupils to find more examples of source documents.
Pupils’ Activity: Pupils listen to the summary and note down the homework.
Learning Point: Pupils consolidate their learning and prepare for further exploration.
Lesson Keywords
- Source Documents – Original records providing details and evidence of business transactions.
- Invoice – A bill for goods or services.
- Receipt – Proof of payment.
- Credit Note – Reduces amount owed by buyer.
- Debit Note – Increases amount owed by buyer.
Differentiation
For pupils who grasp concepts quickly, the teacher can challenge them to analyze and compare different source documents for specific types of transactions. For pupils needing more support, the teacher will provide simplified explanations and more direct guidance in identifying and describing the documents.
Note for teachers using this lesson plan
Ensure you have clear, legible samples of various source documents to show the pupils. Encourage active participation and real-life examples from pupils’ experiences to make the lesson more relatable. Emphasize the practical application of these documents in everyday business operations.

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