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Spinner
SRI International


The spinner simulates a carnival wheel of fortune. Users can control how many areas the spinner is divided into, and how many areas there are of each color. The spinner publishes actions which can be trigger by an external button component. The actions allow the user to try one spin at a time, or a large number of spins at a time. The results are published as a data set for display in a table, histogram or other component.

Sample problem: Spinner


Example EPoWs:

Spinner


(click image for new window with a screeshot of the full problem)

Try the applet!

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The Problem: Students have been contracted by a carnival company to design a spinner that meets specific criteria as to number of possible outcomes and probability of maintaining a specific level of profit.

Where's the Math: Students use problem solving strategies involving percentages and ratios as they investigate probability, make predicitions, and describe outcomes.

NCTM Standards:
Numbers & operations, data analysis & probability

Components: Spinner, Table


For additional information about this or other components, contact Mark Chung, ESCOT Component Coordinator

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