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当前位置:首页 > 商业/管理/HR > 人事档案/员工关系 > 《百分数的应用》(折扣)教学课件
折扣1.经历了解商场信息,选择信息提问题并解答“折扣”问题的过程。2.理解“打折”的含义,会解答有关“折扣”的实际问题。3.体验百分数在现实生活中的广泛应用,获得用数学解决问题的成功体验,丰富学生的生活经验。教学目标五折七五折八五折半折八八折六五折什么叫折扣?商店有时降价出售商品,叫做打折扣销售,俗称“打折”。几折就表示十分之几,也就是百分之几十。它表示的是一种关系,就是现在按原价的十分之几或者百分之几销售。商场开业。观察情境图,说一说你发现了哪些数学信息?商场开业。“八五折”是什么意思?“八五折”就是按原价的85%出售。买一台电视机比原来便宜多少元钱?1580×85%=1343(元)1580-1343=237(元)答:买一台电视机比原来便宜237元钱。买一台电视机比原来便宜多少元钱?1580×(1-85%)=1580×15%(元)答:买一台电视机比原来便宜237元钱。=237(元)商场开业。1.“八折”就是按原价的80%出售。(1)打折后,每种体育用品的单价各是多少元?(2)小明买一副羽毛球拍和2个羽毛球,比原来便宜多少元?2.现价应是多少元?原价:368元原价:480元现价:______现价:______276元408元3.提出问题并解答。35×(1-15%)=35×85%(元)=29.75(元)答:买这双儿童凉鞋应付29.75元。3.提出问题并解答。shop.99114.com/49783030shop.99114.com/50631631shop.99114.com/47773595shop.99114.com/49827561shop.99114.com/50674736shop.99114.com/49766140shop.99114.com/47849249shop.99114.com/50669560shop.99114.com/50658420shop.99114.com/50659587shop.99114.com/50510133shop.99114.com/50629770shop.99114.com/50656890shop.99114.com/41498558shop.99114.com/49824056shop.99114.com/47864808shop.99114.com/45414995shop.99114.com/49687733shop.99114.com/50672978shop.99114.com/50673083shop.99114.com/47878067shop.99114.com/50649987shop.99114.com/50617012shop.99114.com/50665145shop.99114.com/50647123shop.99114.com/50292167shop.99114.com/50655190shop.99114.com/50627787shop.99114.com/50659871shop.99114.com/50513305shop.99114.com/50662881shop.99114.com/50665133shop.99114.com/50653799shop.99114.com/50659034shop.99114.com/50666877shop.99114.com/50654456shop.99114.com/50656905shop.99114.com/50823560shop.99114.com/50658603shop.99114.com/50664977shop.99114.com/50489520shop.99114.com/50294049shop.99114.com/50508111shop.99114.com/50578361shop.99114.com/50661888shop.99114.com/50637656shop.99114.com/50670631shop.99114.com/50497599shop.99114.com/50626129shop.99114.com/50665651shop.99114.com/50662632shop.99114.com/50477386shop.99114.com/42298014shop.99114.com/50523857shop.99114.com/50664627shop.99114.com/50672524shop.99114.com/50667797shop.99114.com/50601952shop.99114.com/50628845shop.99114.com/50639356shop.99114.com/50672506shop.99114.com/50639813shop.99114.com/50587461shop.99114.com/50532719shop.99114.com/50657075shop.99114.com/50659646shop.99114.com/50674761shop.99114.com/50801644shop.99114.com/50648576shop.99114.com/49705090shop.99114.com/50658375shop.99114.com/50658371shop.99114.com/50655033shop.99114.com/50812991shop.99114.com/50665062shop.99114.com/50512368shop.99114.com/50672963shop.99114.com/50578366shop.99114.com/50813319shop.99114.com/50512732shop.99114.com/50647121shop.99114.com/50496910shop.99114.com/50498308shop.99114.com/50607676shop.99114.com/49774619shop.99114.com/50627706shop.99114.com/50504137shop.99114.com/50657306shop.99114.com/50658513shop.99114.com/50601573shop.99114.com/50663825shop.99114.com/50668711shop.99114.com/50668282shop.99114.com/50647141shop.99114.com/50658067shop.99114.com/50608239shop.99114.com/47837371shop.99114.com/50672083shop.99114.com/49738967shop.99114.com/505315714.一种方便面有下面三种包装。2.5元/袋两家店对这种方便面分别推出不同的优惠政策。(1)买1袋这种方便面去哪家商店合适?买2袋、3袋呢?4.一种方便面有下面三种包装。2.5元/袋两家店对这种方便面分别推出不同的优惠政策。(2)买7袋这种方便面去哪家商店合适?买8、9、10袋呢?4.一种方便面有下面三种包装。2.5元/袋两家店对这种方便面分别推出不同的优惠政策。(3)如果买35袋这种方便面,怎样买比较合适?
本文标题:《百分数的应用》(折扣)教学课件
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