How do you introduce Main Idea and Details? We'd love to hear in the comments! What about main idea bags? The objects are the "details" and students determine what they all have in common - or the main idea! We have the perfect graphic organizers to use with objects or reading passages. Students can then work independently, with a partner, or in a center to share and discuss using our main idea mats. Comment MAINIDEA for the link! | Education to the Core