{"type":"rich","version":"1.0","title":"Rational Number Operations","description":"Flashcards for rational number addition and subtraction with number line explanations for review and self-checking, aligning with standard 7.NS.A.1.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774378118995&hashid=v5j1MDavjW","html":"<iframe src=\"https://arcade.padlet.com/embed/v5j1MDavjW\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}