Tool:
Coin Problem 
Screenshot:

Go to: 
http://nlvm.usu.edu/en/nav/frames_asid_139_g_3_t_2.html
(opens a new window)

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

My MathTools: 
Login to Subscribe / Save This

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 



Laura 
Comment:  This tool is difficult to use and, though it is a fun activity, offers no followup explanation of the concepts employed. 

Draco18s 
Comment:  Slow to respond, but effective if one can put up with the lag between dragging a coin and its moving. 

aftermath 
Comment:  Nice little applet; with just a little effort, the graphics could be better. 

ambyrd 
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. 
