Weighing a Counterfeit Coin
Library Home || Full Table of Contents || Library Help
|Math Forum, Ask Dr. Math Common Question|
|A selection of answers to questions about using a balance beam to find a counterfeit coin, such as "If there are twelve coins in a bag, one of which is either lighter or heavier than the others, find the fake coin in exactly 3 weighings and determine if it is lighter or heavier than the others."|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Frequently Asked Questions (FAQs)|
|Math Topics:||Problem-Solving, Logic/Foundations|
© 1994- The Math Forum at NCTM. All rights reserved.