{"type":"rich","version":"1.0","title":"Umfang und Fläche von Rechtecken","description":"Berechne den Umfang und die Fläche von Rechtecken in realen Kontexten und unterscheide zwischen beiden Konzepten.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780942493625&hashid=nwrWROYGKl","html":"<iframe src=\"https://arcade.padlet.com/embed/nwrWROYGKl\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}