1.05 Descriptive Modeling and Accuracy

Essential Questions

After completing this lesson, you will be able to answer the following questions:

·  How do you define the appropriate quantities to model a situation or description?

·  How do you choose the level of accuracy given the limitations of a situation?

Main Idea (page #) / DEFINITION OR SUMMARY / EXAMPLE
Precision Versus Accuracy / Precision: ______
Accuracy: ______
Significant Figures / Counting the amount of digits:
How many significant figures would each have?
·  5.01 ___ significant figures
·  11 ____
·  1.2 ____
·  5.00____ / Find the area of the rectangle with the following measurements:
length= 8.2cm
width= 10.4cm
·  What would you need to round to based on the number of significant figures? ____
Determining the units of measurement to use. / As simple as knowing the situation. / Would you use feet or miles to measure the distance of your room to the kitchen? _____
Rates of Measure / Involves two units of measure:
Independent variable: “x”- always comes after the word “per”
Dependent variable: “ y” / “Words per minute”…
Words represents the independent or dependent variable? ______