{"version":"1.0","type":"rich","width":1200,"height":675,"title":"Repte Matemàtic: El Valor Posicional","description":"Un concurs interactiu per a 4t de Primària que posa a prova el domini dels nombres de 5 xifres, treballant el valor posicional, la descomposició, l'arredoniment i el càlcul mental de manera lúdica i dinàmica.","author_name":"Genially","provider_name":"Genially","provider_url":"https://genially.com","html":"<div style='width: 100%;'><div style='position: relative; padding-bottom:56.25%; padding-top: 0; height: 0;'><iframe frameborder='0' width='1200' height='675' style='position:absolute; top: 0; left: 0; width: 100%; height: 100%;' src='https://view.genially.com/6ab79b093cf51f558eec888f' type='text/html' allowscriptaccess='always' allowfullscreen='true' scrolling='yes' allownetworking='all'></iframe></div></div>","thumbnail_url":"https://genially-thumbnails.genially.com/6ab79b093cf51f558eec888f.png?ts=1790939436472","thumbnail_width":1200,"thumbnail_height":675}