{"type":"rich","version":"1.0","title":"Find the Missing Number","description":"Players match each equation card with the number that makes it true, such as pairing 7 + _ = 10 with 3. This helps students connect equation structure to the correct unknown value. (1.OA.D.8)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774334089329&hashid=Z4jV5mb7rw","html":"<iframe src=\"https://arcade.padlet.com/embed/Z4jV5mb7rw\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}