Subject: Mathematics
Grade level: Year/Grade 9
Class duration: 30 minutes
Overview
In this lesson, students will learn about linear equations and their application in reallife situations. The lesson will cover how to write and solve linear equations using different methods.
Objective
By the end of the lesson, students will be able to:
 Understand what linear equations are and their role in mathematics
 Write and solve linear equations using different methods
 Apply linear equations to reallife scenarios
 Demonstrate their understanding of linear equations through problemsolving
Materials Needed
 Whiteboard and markers
 Worksheets for problemsolving exercises
 Smartboard/laptop and projector for videos and interactive learning
Lesson Content

Introduction to Linear Equations (5 minutes)
 Definition and explanation of linear equations
 Examples of reallife situations where linear equations are applicable

Writing Linear Equations (10 minutes)
 Discussion on how to write linear equations in slopeintercept form (y = mx + b)
 Use of examples to illustrate the concept

Solving Linear Equations (10 minutes)
 Methods for solving linear equations such as graphing, substitution, and elimination
 Stepbystep illustrations to aid students in solving linear equations

RealLife Applications (5 minutes)
 Discussion on how linear equations are used in reallife situations such as budgeting, calculating distances between two points, and predicting future trends
Homework
 Solve the following linear equation by graphing and checking the solution:
 Write a linear equation given two points (3,2) and (5,4).
 Use linear equations to find the cost of 5 apples and 3 oranges if the cost of 2 apples and 1 orange is $1.50.
Conclusion
In conclusion, linear equations play a vital role in mathematics and their practical applications are numerous. This lesson has familiarized students with linear equations, how to write and solve them, and their application in reallife scenarios. Students' understanding of linear equations will be demonstrated through problemsolving exercises and homework.