Two perfect student reference sheets (or individualized posters) that can be used at home and/or school for students to easily remember the order of operations and operation rules.Includes:1) Cover Page, 2) Order of Operations Sign using Acronym "Please Excuse My Dear Aunt Sally" with corresponding operation signs and key words,3) a Reference Sheet of Operation Rules for Negative and Positive Numbers, and4) a drag-and-drop Easel Activity for P.E.M.D.A.S. practice for classes that are using vir