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Unit one is primarily about the descriptive, not the quantitative. The purpose of this unit is to build on students’ prior understanding of a function from Algebra 1 and develop a deeper understanding of how two quantities are related, how rates of change are compared, how functions are notated and described, and the ways we compare functions. The unit studies features of different functions and how to represent these in a variety of different ways verbal description, functions rule, table, and graph. Reallife examples can be used to build and interpret functions and reinforce the multiple representations of functions. 
Time frame: 6 weeks 
Initial Task  Developmental Lessons  Closure & Assessment 

1 lesson  5 weeks (approximately 1 week per big idea)  1 week 

Formative Assessment Lesson: Reengagement: Final Task: 