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Math Fighter: Integer Operations  
Common Core Math Alignment: 7.NS.1. Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
7.NS.2. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. This work is licensed under a Creative Commons AttributionNonCommercialNoDerivs 3.0 Unported License. 
