# Exponential Models

Unit 6 Planning Guide

 Lesson Objectives MORE Assignments Suggested Pacing Materials Lesson 1 Exponential Growth • To explore simple exponential growth models of the form y =a(2x) and y= a(3x) through tables, graphs, and symbolic rules • To compare exponential models of the form y= a(2x) and y= a(3x) to linear models • To compare the patterns found in the table and graph of y a(2x) to those found in the table and graph of y= a(3x) after page 424 Students can begin Modeling Task 4 or Reflecting Task 2 or 4 from page 432 7 days • Optional: Tableplot software • Teaching Resources 162–165 • Assessment Resources 207–212 • Optional: RAP Book Exercise Set 16, Practice Set 8 after page 427 Students can begin Modeling Task 2 or 3, Organizing Task 1 or 3, or Reflecting Task 1 or 5 from page 432 page 432 Modeling: 1 and choice of one* Organizing: 1, and 3 or 4* Reflecting: 3 and choice of one* Extending: Choose one* Lesson 2 Exponential Decay • To determine and explore the exponential decay model, y= a(bx), where 0

* When choice is indicated, it is important to leave the choice to the student.
Note: It is best if Organizing tasks are discussed as a whole class after they have been assigned as homework.

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