{"id":164,"date":"2020-05-12T22:11:14","date_gmt":"2020-05-12T20:11:14","guid":{"rendered":"http:\/\/blogs2.abo.fi\/tidigalgebra\/?page_id=164"},"modified":"2020-06-04T12:04:58","modified_gmt":"2020-06-04T10:04:58","slug":"variabler","status":"publish","type":"page","link":"https:\/\/blogs2.abo.fi\/tidigalgebra\/variabler\/","title":{"rendered":"Variabler"},"content":{"rendered":"<p><strong>Variabler<\/strong><\/p>\n<p>Variabler ing\u00e5r i alla de fyra andra stora id\u00e9erna, <em>Uttryck, ekvationer och olikheter; Funktionella samband; Proportionellt t\u00e4nkande och Generaliserad aritmetik.<\/em> Variabler kan elever med f\u00f6rdel m\u00f6ta tidigt i olika sammanhang, t.ex. n\u00e4r de f\u00e5r avg\u00f6ra n\u00e4r en likhet eller olikhet \u00e4r sann\/inte sann. P\u00e5st\u00e5enden med variabler kan vara slutna eller \u00f6ppna. Slutna p\u00e5st\u00e5enden \u00e4r ekvationer med en \u201dobekant\u201d eller ekvationssystem med flera \u201dobekanta\u201d d\u00e5 det finns det bara en l\u00f6sning till att p\u00e5st\u00e5endena \u00e4r sanna (likheterna st\u00e4mmer). Exempel p\u00e5 s\u00e5dana p\u00e5st\u00e5enden \u00e4r:<\/p>\n<p>2 + _ = 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 7 = 3 + _<\/p>\n<p>Man beh\u00f6ver inte anv\u00e4nda matematiska symboler f\u00f6r variabler (se <a href=\"http:\/\/blogs2.abo.fi\/tidigalgebra\/uttryck-ekvationer-och-olikheter-2\/\">Bild 3<\/a>). I vissa l\u00e4nder g\u00f6r man det dock tidigt (se Estland).<\/p>\n<p>F\u00f6rst\u00e5elsen av variabler \u00e4r ocks\u00e5 viktig f\u00f6r hantering av funktioner (se n\u00e4sta omr\u00e5de).<\/p>\n<p>Redan sm\u00e5 barn kan ocks\u00e5 l\u00e4ra sig r\u00e4kna v\u00e4rden p\u00e5 uttrycken med olika variabelv\u00e4rden. Se id\u00e9er f\u00f6r \u00f6vningar (N2AL): <a href=\"https:\/\/drive.google.com\/file\/d\/1kFoHSMPn7guYFqRRYWCMNY4QzOJg6UUD\/view\">https:\/\/drive.google.com\/file\/d\/1kFoHSMPn7guYFqRRYWCMNY4QzOJg6UUD\/view<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Variabler Variabler ing\u00e5r i alla de fyra andra stora id\u00e9erna, Uttryck, ekvationer och olikheter; Funktionella samband; Proportionellt t\u00e4nkande och Generaliserad aritmetik. Variabler kan elever med f\u00f6rdel m\u00f6ta tidigt i olika sammanhang, t.ex. n\u00e4r de f\u00e5r avg\u00f6ra n\u00e4r en likhet eller &hellip; <a href=\"https:\/\/blogs2.abo.fi\/tidigalgebra\/variabler\/\">Forts\u00e4tt l\u00e4sa <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":511,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-164","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/pages\/164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/users\/511"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/comments?post=164"}],"version-history":[{"count":4,"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/pages\/164\/revisions"}],"predecessor-version":[{"id":258,"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/pages\/164\/revisions\/258"}],"wp:attachment":[{"href":"https:\/\/blogs2.abo.fi\/tidigalgebra\/wp-json\/wp\/v2\/media?parent=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}