{"type":"rich","version":"1.0","title":"Main Idea: The Printing Press","description":"Activity where students sort statements into central idea, supporting detail, and irrelevant or minor detail categories to practice summarization skills, aligning with educational standard RH.9-10.2.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774368903293&hashid=60Km9778K7","html":"<iframe src=\"https://arcade.padlet.com/embed/60Km9778K7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}