{"type":"rich","version":"1.0","title":"Find the Missing Number","description":"Players study flashcards with an equation containing a blank on the front and the completed true equation on the back. The deck gives students repeated practice reviewing how to find unknown whole numbers in addition and subtraction equations. (1.OA.D.8)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774334107599&hashid=EZrX579mj7","html":"<iframe src=\"https://arcade.padlet.com/embed/EZrX579mj7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}