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# Exponential Functions Review

Lesson 9 of 26

## Objective: Students will be able to assess their strengths and weaknesses and use this self-assessment to plan their review session.

#### Review Session

*60 min*

This class period is devoted to individual and group review. The reason behind the lack of structure is to give students the opportunity to direct their own review. Obviously, this requires you to coach students individually, in small groups or even as a class to ensure that students find ways to use this time effectively.

I start the review session by distributing the practice quiz and asking students not to start the quiz but rather to identify their strengths and weaknesses using the problems provided as examples. I ask them to list 3 problems they really need to focus on (on a whiteboard) and I circulate briefly to check that students are making reasonable choices. There are always students who tend to work on the problems they already understand well, so I explicitly discourage this.

Students can then get started working immediately, with some coaching about how to find or choose resources to help them. If you feel more structure is needed, it can be helpful to ask some students to volunteer to be experts. I try to choose students who have a particularly deep understanding of each problem, and I list their names on the board next to the problems they understand well, so struggling students can get help from them. Another option is to ask students not to erase their work when they do problems on whiteboards, so that if a student does a problem particularly well, you can grab that whiteboard and let other students use it as a reference. The goal is to provided as many resources as possible for students so that they are able to facilitate their own review session.

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#### Reflection

*10 min*

I like to take several minutes at the end of the review session to ask students to reflect on how effectively they used their time and on any other topics they need to review in greater depth before tomorrow's quiz. You can circulate and have this conversation with each group or pair of students, or you can ask students to write down their answers to some reflection questions:

(1) How well did you use your time today? Explain.

(2) What did you do that you think helped you be prepared for this quiz?

(3) What could you still do tonight to be prepared for the quiz tomorrow? Which topics in particular do you need to review? What resources can you use to help you?

I like to create a culture of reflection in my class, which happens only if you constantly ask students to reflect. Even though their answers to these particular questions might not be especially revealing, the more often that you ask these types of questions, the more comfortable students will become thinking this way.

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- UNIT 1: Linear and Nonlinear Functions
- UNIT 2: Piecewise Functions
- UNIT 3: Absolute Value Functions and More Piecewise Functions
- UNIT 4: Introduction to Quadratic Functions through Applications
- UNIT 5: More Abstract Work with Quadratic Functions
- UNIT 6: Rational Functions
- UNIT 7: Polynomial Functions
- UNIT 8: Exponential Functions
- UNIT 9: Ferris Wheels
- UNIT 10: Circles
- UNIT 11: Radical Functions
- UNIT 12: Cubic Functions

- LESSON 1: Bunnies and Exponential Growth
- LESSON 2: More Bunnies and Exponential Growth
- LESSON 3: Candy Bars and Exponential Decay
- LESSON 4: Bunnies and Exponential Equations
- LESSON 5: Graphing Bunnies
- LESSON 6: Exponential Data Tables
- LESSON 7: Fitting Exponential Functions Given Two Points
- LESSON 8: Matching Exponential Graphs to Equations
- LESSON 9: Exponential Functions Review
- LESSON 10: Exponential Functions Portfolio and Summative Assessment
- LESSON 11: Exponential Functions and Approach Statements
- LESSON 12: Graphing Exponential Functions
- LESSON 13: Matching Graphs of Exponential Functions to their Equations
- LESSON 14: Exponential Function Designs
- LESSON 15: Graph Exponential Functions Review
- LESSON 16: Graph Exponential Functions Summative Assessment and Portfolio
- LESSON 17: Bouncy Ball Investigation
- LESSON 18: Percent Change: Growth and Decay
- LESSON 19: More Percent Changes and Exponential Functions
- LESSON 20: Writing Exponential Functions to Solve Problems
- LESSON 21: Different Time Intervals and Exponential Functions
- LESSON 22: Compound Interest
- LESSON 23: Compound Interest Formula
- LESSON 24: Continuously Compounded Interest
- LESSON 25: Applications of Exponential Functions Review
- LESSON 26: Applications of Exponential Functions Summative Assessment