英语百分数的用法ppt课件

英语百分数的用法,1,Howoftendoyouexercise?,Unit2,英语百分数的用法,2,MicroclasscoursewareWrittingbyMr.ZhaiTeachingcontents:OnlyonewordpercentTeachingaims:LearnthewordpercentanditsusageP.S.:us+ageusage（用法）Difficultpoint：Theusageofpercent,Procedure:,Step1:num.+percentnum.+percent百分之。(多少）e.g.1onepercent99ninety-ninepercent,英语百分数的用法,4,Step2:(运用以及拓展),百分之五：fivepercent百分之五的学生：fivepercentofthestudents百分之五的学校：fivepercentoftheschools你们班百分之五的学生：fivepercentofthestudentsinyourclass,2020/4/29,英语百分数的用法,5,Step3百分之多少Howmanypercent百分之多少的学生Howmanypercentofthestudent你们班百分之五的学生fivepercentofthestudentsinyourclass你们班百分之多少的学生是男生Howmanypercentofthestudentsinyourclassareboys?,Step4:Practicethematerials3,百分之多少Howmanypercent百分之多少的学生Howmanypercentofthestudents你们班百分之多少的学生Howmanypercentofthestudentsinyourclass四班百分之多少的学生是男生Howmanypercentofthestudentsinyourclassareboys？,Step5：DoexercisesinclasstoputthemintoEnglish,你们班百分之多少的学生是女生？Howmanypercentofthestudentsaregirlsinyourclass？我们班48的学生是女生Forty-eightpercentofthestudentsinourclassaregirls百分之多少（Howmanypercent）,英语百分数的用法,8,Step6：Putthesentensesfromthetextbookondisplay（课文句子呈现p13）,WefoundthatOnlyfiftyteenpercentofourstudentsexerciseeveryday我们发现我们只有百分之十五的学生每天锻炼Twentypercentofourstudentsexerciseonlyonetothreetimesaweek我们百分之二十的学生一周只锻炼一到三次Andtwentypercentofthestudentsdonotexerciseatall还有百分之二十的学生根本不锻炼,Step7：QuoteEinsteinsfamousmaxim（引用爱因斯坦的致理名言）,天才就是百分之一的灵感，和百分子九十九的汗水。Geniusisonepercenti