Objective:
To practice these math problems of KOAA2 worksheets, students are required to represent addition and subtraction with objects, fingers, mental images, drawings, sounds, acting out situations, verbal explanations, expressions, or equations. The main objective of these K.OA.A.2 contextual problems and answer work with steps is to make students to understand addition as putting together and subtraction as taking apart or taking away. Users can directly refer the answer key to verify the work with steps of corresponding practice problems given in the K.CC.A.2 activities under common core state standards for kindergarten mathematics.