Reflection: Complex Tasks A Penny or $100,000! - Section 4: Closing


It was helpful for students to have the example of the penny and money to refer to write the exponential equations.  Students should be able to write the exponential equations using growth factor and decay factor.  Recognizing that b (the common ratio) is equivalent to the growth or decay factor is an aha! moment for students when they recognize it.

For some students, it takes longer to realize how the parts of the equation are formed.  However, the Frayer Model was definitely beneficial to student understanding in this lesson.                                                                                                                                                                                                                                                                                                                                                                                                                                                      

  A Frayer Model helped the Students to write out multiple representations
  Complex Tasks: A Frayer Model helped the Students to write out multiple representations
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A Penny or $100,000!

Unit 6: Exponential Functions
Lesson 1 of 13

Objective: SWBAT identify, graph, and explain exponential growth for functions of the form f(x)=ab^x where b > 1, and f(x)= a( 1 + r)^t using a table of values.

Big Idea: Students compare the pattern of change of an exponential function to the rate of change in a linear function.

  Print Lesson
Math, comparison and contrast, Exponents and Exponential Functions, Algebra, Introduction to Exponential Functions, Graphic Organizer, student work, Closing, frayer model, Closing, Growth Function
  50 minutes
penny or million dollars 2
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