Class 3 addition covers the fundamental concept of adding two or more numbers. For example - 10+5 gives 15. The NCERT Solutions that Vedantu provides help the students understand the concepts better. These solutions are created by the subject experts to help the students clarify their doubts and prepare for the exams well. Download the pdf for free of cost on the Vedantu website as it will help the kids master these basic concepts and ace their exams at their own pace.