Term: 3^{rd} Term
Week: 8
Class: Senior Secondary School 1
Age: 15 years
Duration: 40 minutes of 2 periods each
Date:
Subject: Financial accounting
Topic: Depreciation account II
SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to
INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source
INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures
INSTRUCTIONAL PROCEDURES
PERIOD 12
PRESENTATION 
TEACHER’S ACTIVITY 
STUDENT’S ACTIVITY 
STEP 1 INTRODUCTION 
The teacher reviews the previous lesson on exercises on depreciation account 
Students pay attention 
STEP 2 EXPLANATION 
She defines straight line method and states its formula

Students pay attention and participates 
STEP 3 DEMONSTRATION 
She shows the learners how to calculate the value of depreciation 
Students pay attention and participate 
STEP 4 NOTE TAKING 
The teacher writes a summarized note on the board 
The students copy the note in their books 
NOTE
DEPRECIATION ACCOUNT
Straight line method is also known as fixed instalment method. This method of depreciation charge equal amount as depreciation for each year till the end of its useful life.
FORMULA FOR STRAIGHT LINE METHOD
EXAMPLES
A machine bought for N 7,000 was estimated to have a useful life of 4 years and a scrap value of N 4,500.
Required: calculate the value of annual depreciation charge.
SOLUTION
Cost of machines 
= N 1000 
Residual value 
=N125 
Rate 
= 20% 
Required: Calculate the amount of depreciation charge for the second year.
SOLUTION
Depreciation charge for the second year = N 1000 N 125= N 875
EVALUATION : 1. What is straight line method?
Required:
Using fixed installment method, calculate the annual depreciation charge.
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively