{"type":"rich","version":"1.0","title":"Ruler Racers","description":"Students solve multiple-choice length word problems involving addition and subtraction within 100, using the same units, and selecting the correct equation or answer. Aligns with educational standard 2.MD.B.5.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774379520231&hashid=0GjJbn1yjA","html":"<iframe src=\"https://arcade.padlet.com/embed/0GjJbn1yjA\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}