Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 3rd Term
Week: 8
Age: 15 years
Duration: 45 minutes
Subject: Office Practice
Curriculum Theme: Office Practice
Previous Lesson: Sales Documents II.
Topic: Sales Documents Cont.
Subject Matter: credit note, debit note, statement of account, receipts.

Specific Objectives

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

Cognitive Domain:

define credit note and state its use in a sales transaction.
define debit note and state its use in a sales transaction.
differentiate between credit note and debit note.
define statement of account and list its main contents.
define receipt and state when it is issued.

Affective Domain:

show honesty and carefulness when recording adjustments and payments.
appreciate the importance of keeping clear evidence of transactions.

Psychomotor Domain:

fill a specimen credit note and debit note using given transaction details.
prepare a simple receipt and identify important parts on it.

work in pairs to match each document to its correct purpose.
participate in group discussion by giving examples of adjustment and payment documents used in business.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
State Unified Scheme of Work
Office Practice for Senior Secondary Schools Textbook
Investopedia: Credit Note
Investopedia: Debit Note
AccountingCoach: Receipts

Instructional Materials

The teacher will teach this lesson with the aid of:

sample receipts
credit note forms
debit note forms
sample statements of account
marker board or chart paper

Rationale for the Lesson

Businesses often make adjustments for returns, shortages, overcharges, or extra charges, and they also need proof of payment. Learning these documents helps pupils understand real business records and avoid disputes in buying and selling.

Prerequisite/Previous Knowledge

Pupils have learned sales documents such as order, delivery note, invoice, and pro forma invoice.

Lesson Content/Board Summary

Sales Documents Cont.

Credit Note

A credit note is a document issued by the seller to the buyer to reduce the amount owed, usually due to return of goods, overcharge, or allowance granted.

The following are common reasons for issuing a credit note:

goods returned by the buyer
overcharge on invoice
discount or allowance granted after invoicing
shortage or damaged goods accepted by the seller

The following are common contents of a credit note:

credit note number and date
name and address of seller and buyer
reference to invoice number
description and quantity of goods returned or adjusted
amount credited and reason for credit
signature or authorization

Debit Note

A debit note is a document issued by the seller to the buyer to increase the amount owed, usually due to undercharge, extra goods supplied, or additional charges.

The following are common reasons for issuing a debit note:

undercharge on invoice
additional goods supplied after invoicing
transport or handling charges added later
correction of wrong pricing that reduced the bill

The following are common contents of a debit note:

debit note number and date
name and address of seller and buyer
reference to invoice number
details of additional goods or extra charges
amount debited and reason for debit
signature or authorization

Differences Between Credit Note and Debit Note

The following are differences between credit note and debit note:

a credit note reduces the amount owed, while a debit note increases the amount owed
a credit note is issued for returns, overcharge, or allowance, while a debit note is issued for undercharge or extra charges
a credit note shows money credited to the buyer, while a debit note shows extra money to be paid by the buyer

Statement of Account

A statement of account is a document sent by the seller to the buyer showing the summary of transactions over a period and the balance outstanding.

The following are common contents of a statement of account:

name and address of seller and buyer
statement period covered
opening balance
list of invoices and amounts
list of payments, credit notes, and adjustments
closing balance or amount due
payment instructions or due date (where applicable)

The following are uses of a statement of account:

helps the buyer know the current balance owed
serves as a reminder for payment
supports reconciliation of records between buyer and seller

Receipt

A receipt is a document issued by the seller to the buyer as evidence that payment has been received for goods supplied or services rendered.

The following are common contents of a receipt:

receipt number and date
name of payer and payee
amount paid (in figures and words)
purpose of payment and reference (invoice number where applicable)
mode of payment (cash, transfer, cheque)
signature and stamp of the payee

The following are uses of a receipt:

serves as proof of payment
helps in record keeping for both parties
reduces disputes about whether payment was made

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 shows a sample receipt and asks pupils what it is used for, then introduces adjustment documents used to correct bills.
Pupils’ Activity: Pupils observe the document and respond with their ideas about proof of payment and corrections in transactions.
Learning Point: Businesses use documents for payment evidence and for correcting transaction amounts.

Step 2: Credit Note

Time: 7 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains credit note, states reasons for issuing it, and guides pupils to identify key parts on a sample.
Pupils’ Activity: Pupils list reasons for issuing a credit note and locate invoice reference and credited amount on the sample.
Learning Point: A credit note reduces the buyer’s amount owed due to returns or overcharge.

Step 3: Debit Note

Time: 7 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains debit note, states reasons for issuing it, and displays a sample for class inspection.
Pupils’ Activity: Pupils state situations that can lead to a debit note and identify the extra charge details on the sample.
Learning Point: A debit note increases the buyer’s amount owed due to undercharge or extra charges.

Step 4: Comparison of Credit Note and Debit Note

Time: 5 minutes
Teaching Skill: Comparison
Teacher’s Activity: The teacher guides pupils to compare both documents using clear points and examples from simple transaction cases.
Pupils’ Activity: Pupils differentiate credit note from debit note and give one example for each.
Learning Point: Credit note reduces a bill while debit note increases a bill.

Step 5: Statement of Account

Time: 6 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher explains statement of account, shows a sample, and points out opening balance, transactions, and closing balance.
Pupils’ Activity: Pupils identify the period covered and the closing balance on the sample statement.
Learning Point: A statement of account summarizes transactions and shows the balance due.

Step 6: Receipt

Time: 5 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher explains receipt, shows a sample, and guides pupils to draft a simple receipt using given payment details.
Pupils’ Activity: Pupils prepare a simple receipt and state two uses of a receipt.
Learning Point: A receipt is evidence that payment has been received.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

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

Define credit note and state two reasons for issuing it.
Define debit note and state two reasons for issuing it.
Differentiate between credit note and debit note.
Define statement of account and list three contents of a receipt.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 5 minutes
Teaching Skill: Recap/Summarization
Teacher’s Activity: The teacher summarizes the meaning, contents, and uses of credit note, debit note, statement of account, and receipt. The teacher gives an assignment: write a short transaction where a customer returns goods and another where extra charges are added, then prepare the relevant note and a receipt for payment.
Pupils’ Activity: Pupils copy the summary and complete the assignment task.
Learning Point: Adjustment and payment documents help businesses keep accurate and reliable records.

Lesson Keywords

Credit note – a document issued to reduce the amount a buyer owes.
Debit note – a document issued to increase the amount a buyer owes.
Statement of account – a summary document showing transactions over a period and the balance due.
Receipt – a document issued as proof that payment has been received.

Differentiation

Pupils who learn faster will prepare complete samples of all four documents from a given case study, while pupils who need support will use guided templates with missing fields to complete and identify key parts such as date, reference number, and amount.

Note for teachers using this lesson plan

Use simple transaction figures and familiar items when giving examples. Emphasize the purpose of each document and where it fits in a sales transaction, and check pupils’ work for correct dates, references, and amounts.