{"id":2685,"date":"2021-01-28T20:54:39","date_gmt":"2021-01-28T19:54:39","guid":{"rendered":"https:\/\/agora.xtec.cat\/cfacanovelles\/?p=2685"},"modified":"2021-01-28T20:57:00","modified_gmt":"2021-01-28T19:57:00","slug":"els-nombres-racionals","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/cfacanovelles\/matematiques-i\/els-nombres-racionals\/","title":{"rendered":"Els Nombres Racionals"},"content":{"rendered":"<h4 class=\"bck-title1\"><span class=\"bck-uppercase\">NOMBRES REALS<\/span><\/h4>\n<p>Els\u00a0<i>nombres naturals<\/i>\u00a0han estat utilitzats per totes les civilitzacions des de la m\u00e9s remota antiguitat.<\/p>\n<p>El paper dels negatius, i, sobretot, del zero, va resultar m\u00e9s dif\u00edcil de concebre. Per aix\u00f2, els\u00a0<i>nombres enters\u00a0<\/i>no van acabar de prendre forma fins a final del segle\u00a0<span class=\"bck-versalitas\">vii<\/span>, a l&#8217;\u00cdndia. D&#8217;all\u00e0 ens van arribar per mitj\u00e0 dels \u00e0rabs al segle\u00a0<span class=\"bck-versalitas\">ix<\/span>, juntament amb el sistema de numeraci\u00f3 decimal-posicional.<\/p>\n<p>Les\u00a0<strong><i>fraccions<\/i><\/strong>\u00a0es van comen\u00e7ar a utilitzar des de molt antic, per\u00f2 el seu \u00fas a l&#8217;estil actual es va acabar de consolidar cap al segle\u00a0<span class=\"bck-versalitas\">XIV<\/span>.<a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres-reals.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2687\" src=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres-reals.png\" alt=\"\" width=\"764\" height=\"323\" srcset=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres-reals.png 764w, https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres-reals-300x127.png 300w\" sizes=\"auto, (max-width: 764px) 100vw, 764px\" \/><\/a><\/p>\n<h4><\/h4>\n<h4 class=\"bck-title3\">Identificar tipus de nombres<\/h4>\n<p>Els conjunts de nombres que coneixem i utilitzem estan ben estructurats:<\/p>\n<ul class=\"bck-ul\">\n<li>Els naturals, N.<\/li>\n<li>Si a aquests hi afegim els seus oposats (negatius), obtenim el conjunt dels enters, Z.<\/li>\n<li>Si als enters hi afegim els fraccionaris, obtenim els racionals, Q.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2686\" src=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres.png\" alt=\"\" width=\"526\" height=\"213\" srcset=\"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres.png 425w, https:\/\/agora.xtec.cat\/cfacanovelles\/wp-content\/uploads\/usu1982\/2021\/01\/els-nombres-300x121.png 300w\" sizes=\"auto, (max-width: 526px) 100vw, 526px\" \/><\/a><\/p>\n<p>A continuaci\u00f3 trobareu els enlla\u00e7os a les seg\u00fcents activitats que heu de realitzar.<br \/>\nNo oblideu identificar-vos per comen\u00e7ar!<\/p>\n<ul>\n<li><a href=\"https:\/\/www.thatquiz.org\/es\/classtest?AV1KRKDH\">Quina fracci\u00f3 representa cada figura?<\/a><\/li>\n<li><a href=\"https:\/\/www.thatquiz.org\/es\/classtest?T152L9C8\">Simplifiquem fraccions<\/a><\/li>\n<li><a href=\"https:\/\/www.thatquiz.org\/es\/classtest?6KF3BJ8R\">Comparem fraccions (&lt;, =, &gt;)<\/a><\/li>\n<li><a href=\"https:\/\/www.thatquiz.org\/es\/classtest?FOF7W42O\">Operem amb fraccions (+, -, x, : )<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOMBRES REALS<br \/>\nEls\u00a0nombres naturals\u00a0han estat utilitzats per totes les civilitzacions des de la m\u00e9s remota antiguitat.<br \/>\nEl paper dels negatius, i, sobretot, del zero, va resultar m\u00e9s dif\u00edcil de concebre. Per aix\u00f2, els\u00a0nombres enters\u00a0no van acabar de prendre forma fins a final del segle\u00a0vii, a l&#8217;\u00cdndia. D&#8217;all\u00e0&hellip;  <a href=\"https:\/\/agora.xtec.cat\/cfacanovelles\/matematiques-i\/els-nombres-racionals\/\" title=\"Read Els Nombres Racionals\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":4,"featured_media":2687,"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":[114],"tags":[],"class_list":["post-2685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matematiques-i"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/comments?post=2685"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2685\/revisions"}],"predecessor-version":[{"id":2689,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/posts\/2685\/revisions\/2689"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/media\/2687"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/media?parent=2685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/categories?post=2685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/cfacanovelles\/wp-json\/wp\/v2\/tags?post=2685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}