The main idea, also called the central idea or main point, is the primary concept of a passage. It represents the essential point that the author is trying to convey. The main idea may be clearly stated as a sentence. The main idea is usually reinforced by a series of other points or details which support the premise of the main idea. These are called supporting ideas and may also be stated or implied. Please use any of the printable main idea worksheets below in your classroom or at home. Just click on the worksheet title to view details about the printable PDF and print or download to your sure to check out all of our reading worksheets . If you're looking for more activities, check out 's main idea reading passages .