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Students build on Unit 3 content to create, interpret, and graph systems of equations and inequalities. Students will continue to describe how variables are related within a given situation, and will create two related function rules that each model a distinct relationship in the situation. Graphs, tables of values, and function rules are each used to determine the solution set of a system of equations or inequalities. Students will compare different solution methods to strategically choose which method best conveys a system’s solution set. 
Time frame: 4 weeks 
Initial Task  Developmental Lessons  Closure & Assessment 

1 lesson  3 weeks (approximately 1 week per big idea)  1 week 

Formative Assessment Lesson: Reengagement: Final Task: 