Note for teachers using this lesson plan
For this lesson, ensure you have charts illustrating various accounting concepts ready to aid visual learning. The central concept is for students to grasp the fundamental accounting concepts that underpin financial reporting. Emphasise how these concepts ensure consistency and reliability in financial statements. By the end of the lesson, students should be able to identify and apply appropriate accounting concepts when recording and interpreting business transactions.
Class: SS 1
Term: First Term
Week: 5
Age: 15 years
Duration: 60 minutes
Subject: Financial Accounting
Curriculum Theme: Accounting regulations and
Focal competence: Applying appropriate accounting concepts and principles in recording and interpreting financial transactions
Key competencies/values: Critical Thinking; Collaboration
Skills:
- Recording and interpreting business transactions using appropriate accounting concepts
Previous Lesson: Purpose of the Accounting Equation, Relationship Between Assets, Liabilities and Equity
Topic: Accounting Concepts
Subject Matter: Meaning of accounting concept, Forms of accounting concepts
Specific Objectives
By the end of the lesson, pupils/students should be able to:
Cognitive Domain
- State the meaning of accounting concept.
- Explain the forms of accounting concepts.
- Differentiate among the various forms of accounting concepts.
- Differentiate between going concern and historical cost.
Psychomotor Domain
- Record business transactions using appropriate accounting concepts.
- Interpret business transactions using appropriate accounting concepts.
Social Domain
- Collaborate effectively in group discussions on accounting concepts.
Reference Materials
The following resources were used in planning this lesson:
- 2025 New Revised Senior Secondary Education Curriculum (SSEC)
- Relevant State Unified Scheme of Work
- Financial Accounting for Senior Secondary Schools, Book 1
- The HeadTeacher Scheme of work For The New Revised Senior Secondary Education Curriculum (SSEC)
Instructional Materials
The teacher will teach this lesson with the aid of:
- Charts showing different accounting concepts
- Interactive digital resources (if available)
- Whiteboard and markers
- Textbooks and notebooks
- Case study examples of business transactions
Rationale for the Lesson
Understanding accounting concepts is fundamental to financial accounting as they provide the theoretical framework for preparing and presenting financial statements. This lesson equips students with the knowledge to ensure consistency, reliability, and comparability of financial information, which is essential for informed decision-making by various stakeholders. It forms the bedrock for more advanced accounting topics and practical application in business.
Prerequisite/Previous Knowledge
Students should have a basic understanding of what accounting is and the purpose of financial information.
Lesson Content/Board Summary
Accounting Concepts
Meaning of Accounting Concept
Accounting concepts are the fundamental rules, assumptions, and principles that guide the preparation and presentation of financial statements. They provide a theoretical framework for accountants to ensure that financial information is consistent, reliable, and comparable, allowing users to make informed decisions.
Forms of Accounting Concepts
There are several key accounting concepts that guide accounting practices:
- Business Entity Concept: This concept states that a business is considered a separate and distinct entity from its owner(s). The financial transactions of the business should not be mixed with the personal transactions of the owner. For example, if an owner pays for personal groceries from the business bank account, it must be recorded as a drawing, not a business expense.
- Consistency Concept: This concept requires that accounting methods and principles used in one accounting period should be followed consistently in other periods. If a change in method is necessary, it must be disclosed and justified. For instance, if a business uses the straight-line method for depreciation, it should continue to use it unless there’s a valid reason to change.
- Duality Concept (Dual Aspect Concept): This is the fundamental principle of double-entry bookkeeping, stating that every financial transaction has two aspects or effects. For every debit, there must be a corresponding credit of an equal amount. For example, when cash is received from a customer, cash increases (debit) and accounts receivable decreases (credit).
- Going Concern Concept: This concept assumes that a business will continue to operate for an indefinite period in the future and will not be liquidated in the foreseeable future. This assumption justifies the valuation of assets at historical cost rather than their liquidation value. For example, a company’s factory building is valued at its cost, not what it would fetch if sold immediately.
- Historical Cost Concept: This concept dictates that assets should be recorded in the accounting records at their original purchase price or acquisition cost. This cost remains the basis for accounting for the asset over its useful life, regardless of subsequent changes in market value. For instance, land bought for N5,000,000 is recorded at N5,000,000, even if its market value later rises to N10,000,000.
- Matching/Accruals Concept: This concept requires that expenses incurred in generating revenue should be matched against that revenue in the same accounting period, regardless of when cash is actually paid or received. It ensures that the true profit or loss for a period is determined. For example, if a business sells goods on credit in December, the cost of those goods and any related selling expenses must be recorded in December, even if cash is received in January.
- Materiality Concept: This concept states that only items that are significant enough to influence the decisions of financial statement users should be disclosed. Immaterial items can be treated in a simpler way. For example, a small stationery purchase might be expensed immediately rather than capitalised as an asset, as its value is not material to the overall financial position.
- Money Measurement Concept: This concept states that only transactions and events that can be expressed in monetary terms are recorded in accounting. Non-monetary events, such as the quality of management or employee morale, are not directly recorded, even if they impact the business. For example, the purchase of a machine for N1,000,000 is recorded, but the skill of the machine operator is not.
- Prudence Concept (Conservatism Concept): This concept requires accountants to exercise caution and make conservative estimates when faced with uncertainty. It suggests that potential losses should be recognised as soon as they are foreseen, while potential gains should only be recognised when they are realised. For example, inventory is valued at the lower of cost or net realisable value.
- Realization Concept: This concept states that revenue should be recognised when it is earned, typically when goods are delivered or services are rendered, and the amount is reasonably certain to be collected, regardless of when cash is received. For example, revenue from a credit sale is recognised when the goods are shipped to the customer, not when the customer pays.
Differentiation Between Going Concern and Historical Cost
The going concern concept and historical cost concept are closely related but distinct:
- Going Concern Concept: This is an *assumption* about the business’s future existence. It assumes the business will continue operating indefinitely.
- Historical Cost Concept: This is a *measurement principle* that dictates how assets are valued. It states that assets are recorded at their original purchase price.
The going concern concept provides the justification for using the historical cost concept. If a business were not a going concern (i.e., expected to liquidate soon), then assets would likely be valued at their current market or liquidation value rather than their historical cost.
Teaching Methods/Instructional Techniques
Discussion, Explanation, Question and Answer, Case Study Analysis, Guided Practice, Brainstorming, Collaborative Learning
Instructional Procedures
Step 1: Introduction
Time: 5 minutes
Teaching Skill: Elicitation/Engagement
Teacher’s Activity: The teacher greets the students and asks them what they understand by “rules” or “principles” in everyday life. The teacher then links this to the idea of rules in accounting.
Pupils’ Activity: Pupils respond to the teacher’s questions and share their understanding of rules and principles.
Learning Point: Rules and principles importance
Step 2: Meaning of Accounting Concept
Time: 10 minutes
Teaching Skill: Explanation/Brainstorming
Teacher’s Activity: The teacher guides students to brainstorm in a general class session on the meaning of accounting concepts. The teacher then provides a clear definition and explains why these concepts are important in financial accounting.
Pupils’ Activity: Pupils actively participate in brainstorming, contribute ideas, and listen attentively to the explanation.
Learning Point: Definition of accounting concepts
Step 3: Introduction to Forms of Accounting Concepts
Time: 10 minutes
Teaching Skill: Explanation/Visual Aid
Teacher’s Activity: The teacher introduces the various forms of accounting concepts, using charts to display and briefly explain each one: Business Entity, Consistency, Duality, Going Concern, Historical Cost, Matching/Accruals, Materiality, Money Measurement, Prudence, Realization.
Pupils’ Activity: Pupils observe the charts, listen to the explanations, and ask clarifying questions.
Learning Point: Overview of accounting concepts
Step 4: Detailed Explanation of Selected Concepts (Part 1)
Time: 10 minutes
Teaching Skill: Elaboration/Examples
Teacher’s Activity: The teacher explains in detail the Business Entity, Consistency, Duality, Going Concern, and Historical Cost concepts, providing practical examples for each to make them concrete. The teacher also highlights the differentiation between Going Concern and Historical Cost.
Pupils’ Activity: Pupils listen, take notes, and ask questions to deepen their understanding of each concept and its application.
Learning Point: Specific accounting concepts explained
Step 5: Detailed Explanation of Selected Concepts (Part 2)
Time: 8 minutes
Teaching Skill: Elaboration/Discussion
Teacher’s Activity: The teacher continues to explain the Matching/Accruals, Materiality, Money Measurement, Prudence, and Realization concepts, providing relevant examples and encouraging students to discuss their understanding.
Pupils’ Activity: Pupils engage in discussion, share their interpretations, and relate the concepts to real-life scenarios.
Learning Point: Further accounting concepts explained
Step 6: Case Study Analysis and Application
Time: 7 minutes
Teaching Skill: Guided Practice/Application
Teacher’s Activity: The teacher guides students to individually analyze a short case study (e.g., a small business with some transactions and reporting decisions). The teacher instructs them to identify which accounting concepts are being applied or violated in the case study.
Pupils’ Activity: Pupils individually analyze the case study, identify the relevant accounting concepts, and prepare to discuss their findings.
Learning Point: Applying accounting concepts
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 an accounting concept?
- Mention three forms of accounting concepts and explain one.
- How does the business entity concept differ from the money measurement concept?
- Differentiate between the going concern concept and the historical cost concept.
Pupils’ Activity: Pupils answer orally and in writing.
Learning Point: Understanding accounting concepts
Step 8: Note-Taking
Time: 10 minutes
Teaching Skill: Guided Writing
Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes on the meaning and forms of accounting concepts into their notebooks.
Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.
Learning Point: Recording lesson notes
Step 9: Conclusion
Time: 5 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: The teacher summarises the importance of accounting concepts in ensuring reliable financial reporting and encourages students to practice identifying these concepts in various business scenarios.
Pupils’ Activity: Pupils listen and reflect on the lesson’s key takeaways.
Learning Point: Accounting concepts importance
Continuous Assessment/Further Study
Type: Homework
Instruction: Answer the following questions in your notebook:
- Explain the prudence concept with a practical example.
- Why is the consistency concept important in financial reporting?
- Identify and explain the accounting concept violated in the following scenario: “Mr. Ade, the owner of Ade’s Supermarket, used the supermarket’s cash to pay for his child’s school fees.”
- Research and write a short paragraph on how the accrual concept impacts the calculation of profit or loss for a business.
Lesson Keywords
- Accounting Concepts – Fundamental rules and principles guiding financial reporting.
- Business Entity – Separation of business and owner’s finances.
- Consistency – Using the same accounting methods over time.
- Duality – Every transaction has two equal and opposite effects.
- Going Concern – Assumption that a business will continue operating indefinitely.
- Historical Cost – Recording assets at their original purchase price.
- Matching/Accruals – Matching expenses with the revenue they generate in the same period.
- Materiality – Only significant items influence financial decisions.
- Money Measurement – Recording only transactions expressed in monetary terms.
- Prudence – Exercising caution in accounting estimates.
- Realization – Recognising revenue when earned, not necessarily when cash is received.
Differentiation
Support: Provide simplified definitions and more basic examples for struggling learners. Pair them with stronger students during the case study analysis. Offer pre-filled concept charts for reference.
Extension: Challenge advanced learners to research and present on additional accounting concepts not covered in the lesson (e.g., periodicity, objectivity) or to analyze a more complex business scenario involving multiple concept applications/violations.

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