{"type":"rich","version":"1.0","title":"Scalar Matrix Multiplication","description":"Players match each original matrix-and-scalar expression with its resulting matrix. The activity helps students connect the rule 'multiply every entry by the scalar' to correct numeric outputs. (HSN.VM.C.7)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774341858287&hashid=e8jY5AabjA","html":"<iframe src=\"https://arcade.padlet.com/embed/e8jY5AabjA\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}