The Enemy of My Enemy
Website Address:https://www.curriki.org/oer/The-Enemy-of-My-Enemy-141625
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In this one-page article Steven Strogatz discusses the concept of subtraction, and how we use and make sense of negative numbers. He offers a way to understand why the product of two negative numbers is positive and discusses several real world applications of the concept. The author includes references and notes. This article is part of the author's series on the Elements of Math (menu page cataloged separately).
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- Science > General
- Social Studies > General
- Mathematics > General
- Education > General
Education Levels:
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Grade 3,Make use of structure,NSDL,Grade 4,Grade 5,Visual representation,Mathematics,Life science,Number concepts,Social Sciences,Arithmetic,Concept formation,Process skills,Biology,Number and operations,Upper Elementary,Subtraction,Multiplication,Patterns and sequences,Informal Education,Integers,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Science,Practice Standards,Reading in mathematics,Grade 6,Life Science,Elementary School,Number patterns,Social Studies,Representation,General Public,Operations,Communication,oai:nsdl.org:2200/20140728160612157T,Connections,Engineering,Vocational/Professional Development Education,Education,ReasoningLanguage:
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In this one-page article Steven Strogatz discusses the concept of subtraction, and how we use and make sense of negative numbers. He offers a way to understand why the product of two negative numbers is positive and discusses several real world applications of the concept. The author includes references and notes. This article is part of the author's series on the Elements of Math (menu page cataloged separately).
