Lesson Notes By Weeks and Term - Senior Secondary 2

Algorithms and flowcharts I

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Term: 3rd Term

Week: 4

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 2 periods each

Date:       

Subject:      Computer studies and ICT

Topic:-       Algorithms and Flowcharts I

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Define an algorithm
  2. State the functions of an algorithm

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, pictures, Data Processing for senior Secondary Education by Hiit Plc, WAPB Computer Studies for Senior Secondary II by Adekunle et  al, On-line Materials.

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher reviews the previous lesson on program development

Students pay attention

STEP 2

EXPLANATION

He explains the meaning of algorithm

Students pay attention and participates

STEP 3

DEMONSTRATION

He further states the functions of algorithms

 

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

ALGORITHMS AND FLOWCHARTS

ALGORITHM

An algorithm is a list of instructions that shows the steps or procedures to follow inOrder to solve a specific problem That is, it is designed to perform an operation which will lead to the desired result, if followed correctly. E.g. the steps followed tor baking a good cake, is the algorithm of cake making.

 

THE FUNCTIONS OF AN ALGORITHM

  1. It gives step by step guide on how to solve a problem.
  2. It shows how a program works, i.e. the logic behind a program.
  3. It determines how fast a program can work.
  4. It makes sorting of programs very easy.
  5. It helps to find the shortest path to achieve the result of a program.

 

EVALUATION:   1. Explain the meaning of algorithm 

  1. State three functions of algorithm

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively