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Tool: Adjustable Spinner
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Go to: http://illuminations.nctm.org/tools/tool_detail.aspx?id=79 (opens a new window)
Description: This tool allows users to create their own spinners and examine the outcomes given a specified number of spins. Users learn that experimental probabilities differ according to the characteristics of the model; they also grapple with the idea of variability–that two identical spinners or dice may not produce identical experimental data.
Technology Type: Java Applet 
Author: NCTM: Illuminations
Language: English 
Cost: Does not require payment for use

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Courses: Math 4 Probability
Math 5 Probability
Math 6 Probability
Math 7 Probability

Teacher Review (Not based on classroom experience)
Reviewer: mcaswel7, Jun 30 2009 10:47:10:913AM
Appropriate for: practice of skills and understandings, applications of a concept or technique, advanced investigations
Ability to meet my goals: Very Effective
Recommended for:
Math 5: Probability
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