{"id":8204,"date":"2010-11-03T06:00:23","date_gmt":"2010-11-03T04:00:23","guid":{"rendered":"http:\/\/agert.homelinux.org\/WorldPress\/?p=8204"},"modified":"2010-11-03T06:00:23","modified_gmt":"2010-11-03T04:00:23","slug":"matte-ar-svart-math-is-hard","status":"publish","type":"post","link":"https:\/\/fatherben.se\/wordpress\/matte-ar-svart-math-is-hard\/","title":{"rendered":"Matte \u00e4r sv\u00e5rt \/Math is hard \u00a4\u00a4\u00a4"},"content":{"rendered":"<p>\u00a0Klaga inte p\u00e5 den svenska matteundervisningen den \u00e4r lika i hela v\u00e4stv\u00e4rlden verkar det som &#8230;<\/p>\n<p><strong>USA 2005<\/strong><\/p>\n<p><strong><em>Last week I got a burger at Burger King for $1.58.<\/em><\/strong><\/p>\n<p>\u00a0The counter girl took \u00a0my $2 and was digging for my change when I pulled 8\u00a0\u00a0cents from my pocket \u00a0and gave it to her.\u00a0<\/p>\n<p>She stood there, holding the \u00a0nickel and 3 pennies,\u00a0while looking at the screen on her register.<\/p>\n<p>I sensed her discomfort and tried to tell her to\u00a0just give me back two quarters, but she hailed the manager for help and\u00a0\u00a0while he tried to \u00a0explain the transaction to her, she stood there and cried.<\/p>\n<p>\u00a0\u00a0<strong>Why do I tell you this? Read on<\/strong>&#8230;<\/p>\n<p>\u00a0\u00a0<strong>Teaching Math in 1950:<\/strong><\/p>\n<p>\u00a0\u00a0A logger sells a truckload of lumber for $100.<\/p>\n<p>\u00a0His cost of production is 4\/5 of the price.<\/p>\n<p>\u00a0What is his profit?<\/p>\n<p>\u00a0<strong>Teaching Math in 1960:<\/strong><\/p>\n<p>\u00a0A logger sells a truckload of lumber for $100.<\/p>\n<p>\u00a0His cost of production is 4\/5 of the price, or $80.<\/p>\n<p>\u00a0\u00a0What is his profit?<\/p>\n<p><strong>Teaching Math in 1970:<\/strong><\/p>\n<p>\u00a0\u00a0A logger exchanges a set &#8221;L&#8221; of lumber for a set &#8221;M&#8221;\u00a0\u00a0of money.<\/p>\n<p>\u00a0The cardinality of set &#8221;M&#8221; is 100.\u00a0\u00a0\u00a0Each element is worth one dollar.<\/p>\n<p>\u00a0Make 100 dots representing the elements of the set \u00a0&#8221;M.&#8221;<\/p>\n<p>\u00a0\u00a0The set &#8221;C&#8221;, the cost of production, contains 20 fewer points than set \u00a0&#8221;M.&#8221;<\/p>\n<p>\u00a0Represent the set &#8221;C&#8221; as a subset of set &#8221;M&#8221;.<\/p>\n<p>\u00a0<em>Answer this question:<\/em><\/p>\n<p>\u00a0What is the cardinality of the set &#8221;P&#8221; of profits?<\/p>\n<p>\u00a0<strong>Teaching Math in 1980<\/strong>:<\/p>\n<p>\u00a0\u00a0A logger sells a truckload of lumber for $100.<\/p>\n<p>\u00a0His cost of production is $80 and his profit is $20.<\/p>\n<p><em><strong>Your assignment<\/strong><\/em>:\u00a0\u00a0Underline the number 20.<\/p>\n<p>\u00a0\u00a0<strong>Teaching Math in 1990:<\/strong><\/p>\n<p>\u00a0\u00a0By cutting down beautiful forest trees, the logger\u00a0\u00a0makes $20.<\/p>\n<p>\u00a0\u00a0What do you think of this way of making a living?<\/p>\n<p>\u00a0\u00a0Topic for class participation after answering the\u00a0\u00a0question:<\/p>\n<p>\u00a0\u00a0How did the forest birds and squirrels feel as the\u00a0\u00a0logger cut down the \u00a0trees?<\/p>\n<p>\u00a0\u00a0There are no wrong answers.<\/p>\n<p>\u00a0\u00a0<strong>Teaching Math in 2000:<\/strong><\/p>\n<p>A logger sells a truckload of lumber for $100.<\/p>\n<p>\u00a0How does Arthur Andersen determine that his profit\u00a0\u00a0margin is $60 ?<\/p>\n<p>\u00a0<strong>Teaching Math in 2005:<\/strong><\/p>\n<p>\u00a0\u00a0El hachero vende un camion carga por $100.<\/p>\n<p>\u00a0\u00a0La cuesta de produccion es&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>\u00a0\u00a0Det finns en motsvarighet i Sverige vid samma tid den kommer om n\u00e5gra dar..<\/p>\n<p>A contribution from my friend Jerry i NC USA 2005- found it in\u00a0 old emails&#8230;<\/p>\n<p><em>Kolla n\u00e5t annat&#8230;?<\/em><\/p>\n<p>[random-post-box]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0Klaga inte p\u00e5 den svenska matteundervisningen den \u00e4r lika i hela v\u00e4stv\u00e4rlden verkar det som &#8230; USA 2005 Last week I got a burger at Burger King for $1.58. \u00a0The counter girl took \u00a0my $2 and was digging for my change when I pulled 8\u00a0\u00a0cents from my pocket \u00a0and gave it to her.\u00a0 She stood [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4,7,19],"tags":[1302],"class_list":["post-8204","post","type-post","status-publish","format-standard","hentry","category-english-stuff","category-ett-gott-skratt","category-underhallning","tag-matte-i-skolan-under-60-ar"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1IAXy-28k","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":5370,"url":"https:\/\/fatherben.se\/wordpress\/old-golfer\/","url_meta":{"origin":8204,"position":0},"title":"Old golfer   \u00a4\u00a4\u00a4","author":"bengt39","date":"2010-02-19","format":false,"excerpt":"A circus owner runs an ad for a lion tamer and two people show up. 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