Lesson Plan: Solving Systems of Linear Equations by Omitting a Variable Mathematics • 8th Grade
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve systems of linear equations by omitting a variable.
Objectives
Students will be able to
- solve a system of linear equations by eliminating one variable using
- addition,
- subtraction,
- multiplying one equation by a constant, followed by addition or subtraction,
- multiplying both equations by a constant, followed by addition or subtraction,
- understand the application of elimination on a system of linear equations.
Prerequisites
Students should already be familiar with
- equations involving two variables,
- combining like terms to simplify expressions,
- solving linear equations,
- rearranging linear equations,
- solving multistep linear equations with one variable.
Exclusions
Students will not cover
- systems of equations involving more than 2 variables,
- solving systems of linear equations using substitution,
- solving systems of linear equations graphically.
