{"id":12833,"date":"2022-03-14T17:22:20","date_gmt":"2022-03-14T16:22:20","guid":{"rendered":"https:\/\/agora.xtec.cat\/insllicamunt2\/?p=12833"},"modified":"2022-03-14T17:47:37","modified_gmt":"2022-03-14T16:47:37","slug":"1r-eso-dia-del-numero-pi","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/1r-deso\/1r-eso-dia-del-numero-pi\/","title":{"rendered":"Celebraci\u00f3 del Dia del N\u00famero Pi a l&#8217;Hip\u00e0tia"},"content":{"rendered":"<p>Aquest dilluns 14 l&#8217;alumnat de 1r i 2n d\u2019ESO ha celebrat el dia del n\u00famero\u00a0 Pi tot realitzant un experiment per aproximar aquest n\u00famero a partir de la relaci\u00f3 entre l\u2019\u00e0rea d\u2019un cercle i l\u2019\u00e0rea del quadrat que l\u2019inscriu.<\/p>\n<p>Nois i noies han anat cobrint la superf\u00edcie del cercle amb llavors de soja, que anaven comptant amb l\u2019objectiu de con\u00e8ixer el total de boletes necess\u00e0ries per completar la figura.<\/p>\n<p>Quan han assolit l\u2019\u00e0rea del cercle, han apuntat el total de llavors utilitzades. Despr\u00e9s han seguit fins omplir el quadrat sencer, i han apuntat de nou el total.<\/p>\n<p>Fent la divisi\u00f3 del nombre de boletes del cercle entre el de les del quadrat multiplicat per 4, els alumnes han arribat a obtenir una\u00a0aproximaci\u00f3 del nombre Pi igual a 3,09, la qual cosa no ha estat gens malament!<\/p>\n<p>Entre tots i totes hem arribat a la conclusi\u00f3 que seria necessari un cercle molt m\u00e9s gran per aconseguir una aproximaci\u00f3 m\u00e9s bona.<\/p>\n<p>En matem\u00e0tiques, Pi \u00e9s una constant que relaciona el di\u00e0metre de la circumfer\u00e8ncia amb la longitud del seu per\u00edmetre. Pi \u00e9s un nombre irracional, \u00e9s a dir, no es pot expressar de manera fraccion\u00e0ria amb nombres enters. Per fer c\u00e0lculs pr\u00e0ctics s&#8217;agafa un valor simplificat, per exemple: 3,14159265&#8230;<\/p>\n<p>Us deixem imatges del proc\u00e9s, aix\u00ed com un\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=uHH5C71qUKA&amp;t=1s\">link<\/a> en qu\u00e8 es pot veure com es fa l&#8217;experiment<\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-12833 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a 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landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/1r-deso\/1r-eso-dia-del-numero-pi\/attachment\/img-20220314-wa0011\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-content\/uploads\/usu1100\/2022\/03\/IMG-20220314-WA0011-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/1r-deso\/1r-eso-dia-del-numero-pi\/attachment\/img-20220314-wa0013\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-content\/uploads\/usu1100\/2022\/03\/IMG-20220314-WA0013-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt 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style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest dilluns 14 l&#8217;alumnat de 1r i 2n d\u2019ESO ha celebrat el dia del n\u00famero\u00a0 Pi tot realitzant un experiment per aproximar aquest n\u00famero a partir de la relaci\u00f3 entre l\u2019\u00e0rea d\u2019un cercle i l\u2019\u00e0rea del quadrat que l\u2019inscriu.<br \/>\nNois i noies han anat cobrint la&hellip;  <a href=\"https:\/\/agora.xtec.cat\/insllicamunt2\/el-far-dhipatia\/grups\/1r-deso\/1r-eso-dia-del-numero-pi\/\" title=\"Read Celebraci\u00f3 del Dia del N\u00famero Pi a l&#8217;Hip\u00e0tia\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":12838,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[4,93,99,1040,354,29],"tags":[],"class_list":["post-12833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1r-deso","category-activitats-daula","category-articles","category-el-far-dhipatia","category-matematiques","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/12833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/comments?post=12833"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/12833\/revisions"}],"predecessor-version":[{"id":12848,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/posts\/12833\/revisions\/12848"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/media\/12838"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/media?parent=12833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/categories?post=12833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insllicamunt2\/wp-json\/wp\/v2\/tags?post=12833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}