Lesson Plan: Lesson plans were written by Maryland mathematics educators and could be used when teaching the concepts. 
Goal 1 Functions and Algebra 
Expectation 1.2 The student will model and interpret realworld situations using the language of mathematics and appropriate technology. 
Indicator 1.2.3 The student will solve and describe using numbers, symbols, and/or graphs if and where two straight lines intersect. 
Lesson Plan 

Systems of Linear Equations  SlopeIntercept Form 
Objectives:

Lesson Plan 
Systems of Linear Equations  Standard Form 
Objectives:

Resources for 1.2.3: Skill Statements  Public Release Items  LESSON PLANS  