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Adding and Subtracting and Positive and Negative Numbers

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Visit this site: http://www.is.wayne.edu/olmt/addsub/
Author:On-Line Mathematics Tutor, Wayne State University, Detroit MI
Description: Animations that use a number line to illustrate counting, adding and subtracting, and negative numbers.
Levels: First Grade, Second Grade, Late Elem. (3-5)
Languages: English
Math Topics: Addition, Subtraction, Negative Numbers

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