{"type":"rich","version":"1.0","title":"大きな数の位取り","description":"ワードバンクから数字をドラッグして、10億までの大きな数の位取りの関係を埋めるアクティビティ","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1768298614614&hashid=BGpqVVEXKQ","html":"<iframe src=\"https://arcade.padlet.com/embed/BGpqVVEXKQ\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}