What will that cost in the future? The scenario provides pupils with a growth as a Consumer Price Index. Learners create functions for a given item to determine future prices and graph them. Class members then compare their functions to a fictional classmate's linear function.

Concepts

inflation, exponential expressions, exponential functions, exponential growth, linear functions, graphing functions, solving equations

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Additional Tags

math

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Instructional Ideas

• Have individuals research the price of an item a year ago and today and calculate its rate of growth

Classroom Considerations

• Expects the class knows the difference between linear and exponential growth
• Scholars should be able to graph exponential equations

Pros

• Answer key shows important calculations needed to reply to the questions
• Document is in Word, so it's easy to adjust the scenario to be more timely

Cons

• Prices and item of interest are dated

Common Core

HSA-CED.A.1 HSF-LE.A.1.a HSF-LE.A.1.b HSF-LE.A.1.c HSF-LE.A.2 HSF-LE.A.3 MP3 MP4 MP6 MP7