1. August 30, 2011 Welcome to Ms. Wu’s math class!
Please do the following quietly:
Put up name tent.
Copy down homework in planner.
Start grading homework with grading pen.
Work individually on the warm-up in pen. You may use the same warm up sheet (draw a horizontal line and write today’s date).
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WARM-UP: Write a mathematical expression for the following statements: [Use “n” for number]
“six less than a number”
“twice the sum of six and a number”
“the quotient of four and a number”

2. Intro to Functions Presentations
Each table will present one of the problem scenarios. Compare your tables, graphs, and equations and pick the best to present.

3. Vocabulary Independent variable: input variable
Dependent variable: output variable
Domain: set of inputs
Range: set of outputs
Discrete: Only a finite number of values possible
Continuous: an infinite number of values possible

4. Independent and Dependent Variables
Which is the independent variable, age (years 1-10) or height?
Age
As the independent variable increases, the dependent variable….
increases

5. Independent and Dependent Variables
Which is the independent variable, flavor of gum or time chewed?
Time
As the independent variable increases, the dependent variable….
decreases

6. Independent and Dependent Variables
Which is the independent variable, amount of payoff or number of lottery winners?
Winners
As the independent variable increases, the dependent variable….
decreases

7. Building Chimneys Activity
For 10 minutes, work in pairs to build the chimneys and fill in the table.
If you finish early, you may start working on the following questions. We will discuss them as a class.

8. Exit Expectations
Return materials to original location, return any borrowed items, and clean up area.
Wait for me to dismiss, not the bell.
Push in chairs before you leave the room.