To practice these math problems of K.CC.A.3 worksheets, students are required to find the answer by counting how many number of objects present in the box and write the corresponding NUMERAL for it. The number of objects for each questions be not more than 20. The main objective of these K.CC.A.3 activities is to make students to know number names and the counting sequence. Users can directly refer the answer key to verify the work with steps for corresponding practice problems given in the K.CC.A.3 activities for common core state standards for mathematics.