{"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 Els\u00a0nombres naturals\u00a0han estat utilitzats per totes les civilitzacions des de la m\u00e9s remota antiguitat. El 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 ens van arribar per mitj\u00e0 dels \u00e0rabs al [&hellip;]<\/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,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"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}]}}