{"type":"rich","version":"1.0","title":"Prime or Composite?","description":"Players sort number cards into three buckets: prime numbers, composite numbers, and numbers that are neither prime nor composite. This helps students classify whole numbers and strengthen their understanding of factors. (4.OA.B.4)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774336708971&hashid=3qpAk4A3rD","html":"<iframe src=\"https://arcade.padlet.com/embed/3qpAk4A3rD\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}