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Rules of Sign Change (SMILE)

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Visit this site: http://www.iit.edu/~smile/ma8818.html
Author:Joel P. Zuger, Chicago Metro High School
Description: A lesson for grades 7-8 designed to teach students to understand the operation of plus and minus signs during arithmetic operations. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
Levels: Seventh Grade, Eighth Grade
Languages: English
Resource Types: Manipulatives, Lesson Plans and Activities
Math Topics: Basic Operations, Negative Numbers

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