{"type":"rich","version":"1.0","title":"Optellen met overdracht","description":"Twee-cijferig optellen met overdracht","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780554350502&hashid=Z4jVRw9xjw","html":"<iframe src=\"https://arcade.padlet.com/embed/Z4jVRw9xjw\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}