The Evolution of the Real Numbers
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http://www.themathpage.com/aReal/realnumbers.htm  


Lawrence Spector  
An introduction to real numbers, including such topics as: the ratio of natural numbers; continuous versus discrete; fractions; unit fractions; rational numbers; measurement: geometry and arithmetic; common measure; squares and their sides; incommensurable magnitudes; and irrational numbers. Includes questions for checking understandingmouse on the answers to reveal them.  


Levels:  Middle School (68), High School (912) 
Languages:  English 
Resource Types:  Problems/Puzzles, Articles 
Math Topics:  Fractions/Decimals/Percents, Measurement, Rational/Irrational Numbers, Ratio/Proportion 
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