{"type":"rich","version":"1.0","title":"Seeing Structure in Expressions","description":"Activity where students match expressions to their structural rewrites, including factored forms, substitution, and recognized patterns like common factors, differences of squares, and perfect-square trinomials. Aligns with HSA.SSE.A.2.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774342346312&hashid=WNp2lDPnrx","html":"<iframe src=\"https://arcade.padlet.com/embed/WNp2lDPnrx\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}