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Tool: Coin Problem
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Description: Use deduction to find the lighter coin.
Technology Type: Java Applet 
Guide: User's Guide (opens a new window)
Author: National Library of Virtual Manipulatives (Utah State University)
Language: English 
Cost: Does not require payment for use

Average Rating:  [5] Login to rate this resource
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Reviews: see the 1 review of this resource / add a review of this Tool 
Discussions: see the 6 posts discussing this resource

Tool: Mastermind
Courses: Math 5 Logic and set theory
Math 6 Algebra and expressions
Math 7 Algebra and expressions
Discrete Math Logical Form & Equivalence

Teacher Review (Not based on classroom experience)
Reviewer: ambyrd, Jun 29 2009 03:22:55:060PM
Appropriate for: practice of skills and understandings, applications of a concept or technique
Ability to meet my goals: Effective
Recommended for: Math 6: Number sense, Ratio and proportion, Measurement
Read the full length reviews for this resource
Comment:This tool is difficult to use and, though it is a fun activity, offers no follow-up explanation of the concepts employed.
Comment:Slow to respond, but effective if one can put up with the lag between dragging a coin and its moving.
Comment:Nice little applet; with just a little effort, the graphics could be better.
Comment:This was a really interesting game! I really had to think to figure out how to achieve the objective in just two weighings without merely guessing.