{"id":81,"date":"2015-02-05T18:17:32","date_gmt":"2015-02-05T18:17:32","guid":{"rendered":"http:\/\/fredrikbernelf.se\/?p=81"},"modified":"2015-02-05T18:17:32","modified_gmt":"2015-02-05T18:17:32","slug":"vad-vager-fargen","status":"publish","type":"post","link":"http:\/\/fredrikbernelf.se\/?p=81","title":{"rendered":"Vad v\u00e4ger f\u00e4rgen?"},"content":{"rendered":"<p class=\"normal\">Kurs: Matematik 1b\/c<\/p>\n<p class=\"normal\">Centralt inneh\u00e5ll: Metoder f\u00f6r ber\u00e4kningar inom vardagslivet och karakt\u00e4rs\u00e4mnena med reella tal skrivna p\u00e5 olika former inklusive potenser med heltalsexponenter samt strategier f\u00f6r anv\u00e4ndning av digitala verktyg. Hantering av algebraiska uttryck och f\u00f6r karakt\u00e4rs\u00e4mnena relevanta formler. Matematisk argumentation med hj\u00e4lp av grundl\u00e4ggande logik inklusive implikation och ekvivalens samt j\u00e4mf\u00f6relser med hur man argumenterar i vardagliga sammanhang och inom olika \u00e4mnesomr\u00e5den. Strategier f\u00f6r matematisk probleml\u00f6sning inklusive anv\u00e4ndning av digitala medier och verktyg.<\/p>\n<p class=\"normal\">\n<p class=\"normal\">Uppgift: NASA slutade m\u00e5la den externa br\u00e4nsletanken p\u00e5 rymdf\u00e4rjan eftersom f\u00e4rgen inte tillf\u00f6rde n\u00e5gonting och man ville h\u00e5lla nere vikten. Hur mycket v\u00e4ger f\u00e4rgen?<\/p>\n<p class=\"normal\">\n<p class=\"normal\">F\u00f6rklaring: H\u00e4r f\u00e5r eleverna f\u00f6rst b\u00f6rja fundera p\u00e5 vilken fakta de beh\u00f6ver ta reda p\u00e5 f\u00f6r att kunna l\u00f6sa uppgiften. De kommer inte heller att kunna hitta alla fakta utan m\u00e5ste g\u00f6ra en del antaganden, precis som ingenj\u00f6rerna p\u00e5 NASA f\u00e5r g\u00f6ra n\u00e4r de arbetar. Det stora arbetet blir troligen att ber\u00e4kna arean av br\u00e4nsletanken d\u00e4r de f\u00e5r g\u00f6ra en uppskattning eftersom formen \u00e4r r\u00e4tt komplicerad. Det r\u00e4tta svaret finns p\u00e5 Internet (272 kg) men eleverna m\u00e5ste \u00e4nd\u00e5 visa sina utr\u00e4kningar. St\u00f6d f\u00f6r dig som l\u00e4rare finns p\u00e5 <a href=\"http:\/\/robertkaplinsky.com\/work\/fuel-tank\/\"><span style=\"color: #1155cc;\">http:\/\/robertkaplinsky.com\/work\/fuel-tank\/<\/span><\/a> d\u00e4r uppgiften kommer fr\u00e5n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kurs: Matematik 1b\/c Centralt inneh\u00e5ll: Metoder f\u00f6r ber\u00e4kningar inom vardagslivet och karakt\u00e4rs\u00e4mnena med reella tal skrivna p\u00e5 olika former inklusive potenser med heltalsexponenter samt strategier f\u00f6r anv\u00e4ndning av digitala verktyg. Hantering av algebraiska uttryck och f\u00f6r karakt\u00e4rs\u00e4mnena relevanta formler. Matematisk &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"http:\/\/fredrikbernelf.se\/?p=81\"> <span class=\"screen-reader-text\">Vad v\u00e4ger f\u00e4rgen?<\/span> Read more \u2192<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-81","post","type-post","status-publish","format-standard","hentry","category-matematik"],"_links":{"self":[{"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/posts\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=81"}],"version-history":[{"count":1,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions"}],"predecessor-version":[{"id":82,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions\/82"}],"wp:attachment":[{"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fredrikbernelf.se\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}