{"type":"rich","version":"1.0","title":"Expression Match-Up","description":"Use variables to represent numbers and write expressions for real-world and mathematical problems; understand that a variable can represent an unknown number or any number in a specified set. (6.EE.B.6)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1783992696631&hashid=nlp8AaeeKX","html":"<iframe src=\"https://arcade.padlet.com/embed/nlp8AaeeKX\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}