By Elimu Assistant Team 
LESSON PLAN 52: Designing Algorithms with Decisions (40 minutes)
Class: Grade 10
Subject: Computer Studies
Strand: 3.0 Software Development
Sub Strand: 3.1 Program Development Overview
Lesson Duration: 40 minutes
Date:
Key Inquiry Question (Starter)
“How do programs make choices?”
Specific Learning Outcomes
- Use decision symbols in flowcharts
- Write pseudocodes with conditional statements
- Design algorithms to solve real-life problems
Learning Experiences
- Use pseudocodes and flowcharts to solve real-life problems
- Write an algorithm on how traffic lights enhance road safety
Learning Resources
- Projector and computer
- Whiteboard and markers
- Computer Studies textbook (section on Decision Structures)
- PowerPoint slides: Conditional statements and decision flowcharts
- Printed handouts: Traffic light algorithm worksheet and practice problems
- Video clip: How traffic lights work (2 minutes)
- Chart paper for group work
- Markers and rulers
- Student exercise books
Lesson Structure
Introduction (5 min)
- Project quick symbol review quiz (interactive slides)
- Show video: Traffic light intersection in operation
- Question: “What decisions are being made at a traffic intersection?”
Development (30 min)
- Project slide: Real-world decision-making scenarios
- Introduce IF-THEN-ELSE concept with animated slides:
- IF light is RED, THEN STOP
- IF light is YELLOW, THEN PREPARE
- IF light is GREEN, THEN GO
- Students read textbook section on conditional statements (4 minutes)
- Projected demonstration: Traffic light pseudocode with decision structure
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