To practice these math problems of 2OAC3 worksheets, students are required to determine whether a group of objects (up to 20) has an odd or even number of members by pairing objects or counting them by 2s. The main objective of these 2.OA.C.3 contextual problems and answer work with steps is to make students to work with equal groups of objects to gain foundations for multiplication. Users can directly refer the answer key to verify the work with steps for the corresponding practice problems given in the 2.OA.C.3 activities under common core state standards for 2nd grade mathematics.
