{"id":2723,"date":"2026-10-07T20:05:29","date_gmt":"2026-10-07T20:05:29","guid":{"rendered":"https:\/\/www.jrebsen.dk\/?post_type=aktivitet&#038;p=2723"},"modified":"2026-10-07T20:13:50","modified_gmt":"2026-10-07T20:13:50","slug":"afslutning-paa-tal-i-stor-maengder","status":"publish","type":"aktivitet","link":"https:\/\/www.jrebsen.dk\/?aktivitet=afslutning-paa-tal-i-stor-maengder","title":{"rendered":"Afslutning p\u00e5 tal i stor m\u00e6ngder"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Introopgaver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Find sammen i grupper af 2-3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sl\u00e5 op i KonteXt+9 S. 46-49 og brug regnemetoderne til at besvare sp\u00f8rgsm\u00e5lene i opg. 1 til 4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hver gruppe pr\u00e6sentere en opgave p\u00e5 en tavle<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>1. Taltyper og repr\u00e6sentationer<\/strong><br>Se p\u00e5 tallene:<br>3\/4\u2003\u20030,75\u2003\u20030,333&#8230;\u2003\u2003\u221a2\u2003\u20035<br>a. Hvilke tal har samme v\u00e6rdi?<br>b. Hvilke tal er rationale?<br>c. Hvilke tal er irrationale?<br>d. Skriv 0,333&#8230; som en br\u00f8k.<\/td><td><strong>2. Regning med br\u00f8ker<\/strong><br>Beregn og forkort resultaterne:<br>a. 2\/3 + 5\/12<br>b. 3\/4 \u00b7 2\/5<br>c. 3\/4 : 5\/6<br>d. Skriv 7\/8 som decimaltal.<\/td><\/tr><tr><td><strong>3. Potenser og standardform<\/strong><br>a. Beregn: 2\u2075 \u00b7 2\u207b\u00b2<br>b. Reducer: (3\u00b2)\u00b3<br>c. Skriv 7.200.000 i videnskablig skrivem\u00e5de.<br>d. Skriv 5,6 \u00b7 10\u207b\u2075 som almindeligt decimaltal.<\/td><td><strong>4. R\u00f8dder og regningsr\u00e6kkef\u00f8lge<\/strong><br>a. Beregn \u221a81 og \u221b216.<br>b. Beregn: 3 + 2 \u00b7 \u221a81 \u2212 2\u00b3<br>c. Skriv \u221a50 b\u00e5de som et forenklet, eksakt resultat og som et decimaltal afrundet til to decimaler.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-880ce9db-9425-48a9-a0a1-b430132fa341\" href=\"https:\/\/www.jrebsen.dk\/wp-content\/uploads\/2026\/10\/Introopgaver.docx\">Introopgaver<\/a><a href=\"https:\/\/www.jrebsen.dk\/wp-content\/uploads\/2026\/10\/Introopgaver.docx\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-880ce9db-9425-48a9-a0a1-b430132fa341\">Download<\/a><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Regn selv<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>KonteXt+9 <\/strong>\n<ul class=\"wp-block-list\">\n<li>&#8216;Ud med matematikken&#8217; S. 38-39 <\/li>\n\n\n\n<li>&#8216;Guldgraverne&#8217; S. 40-41<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Problem- og f\u00e6rdighedsregning<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FP9 Matematik med hj\u00e6lpemidler december 2023<\/li>\n\n\n\n<li>FP9 Matematik uden hj\u00e6lpemidler december 2023<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&#8216;Potenser og r\u00f8dder&#8217;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Link: <a href=\"https:\/\/app.skoledu.dk\/aflevering\/1005\">https:\/\/app.skoledu.dk\/aflevering\/1005<\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&#8216;<strong>Br\u00f8ker 1&#8242;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Link: <a href=\"https:\/\/app.skoledu.dk\/aflevering\/957\">https:\/\/app.skoledu.dk\/aflevering\/957<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Introopgaver Find sammen i grupper af 2-3 Sl\u00e5 op i KonteXt+9 S. 46-49 og brug regnemetoderne til at besvare sp\u00f8rgsm\u00e5lene i opg. 1 til 4. Hver gruppe pr\u00e6sentere en opgave p\u00e5 en tavle 1. Taltyper og repr\u00e6sentationerSe p\u00e5 tallene:3\/4\u2003\u20030,75\u2003\u20030,333&#8230;\u2003\u2003\u221a2\u2003\u20035a. Hvilke tal har samme v\u00e6rdi?b. Hvilke tal er rationale?c. Hvilke tal er irrationale?d. Skriv 0,333&#8230; som [&hellip;]<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":[],"categories":[],"tags":[],"aktivitetstype":[],"elementrolle":[],"fag":[90],"fagomraade":[],"produkt":[],"class_list":["post-2723","aktivitet","type-aktivitet","status-publish","hentry","fag-matematik"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=\/wp\/v2\/aktivitet\/2723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=\/wp\/v2\/aktivitet"}],"about":[{"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=\/wp\/v2\/types\/aktivitet"}],"wp:attachment":[{"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2723"},{"taxonomy":"aktivitetstype","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Faktivitetstype&post=2723"},{"taxonomy":"elementrolle","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Felementrolle&post=2723"},{"taxonomy":"fag","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ffag&post=2723"},{"taxonomy":"fagomraade","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ffagomraade&post=2723"},{"taxonomy":"produkt","embeddable":true,"href":"https:\/\/www.jrebsen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fprodukt&post=2723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}