英语百分数的用法.ppt

How often do you exercise?,Unit 2,Microclass coursewareWritting by Mr.ZhaiTeaching contents:Only one wordpercentTeaching aims:Learn the word percentand its usage P.S.:us+ageusage（用法）Difficult point：The usage of percent,Procedure:,Step 1:num.+percent num.+percent 百分之。(多少）e.g.1one percent 99ninety-nine percent,Step 2:(运用以及拓展),百分之五：five percent百分之五的学生：five percent of the students百分之五的学校：five percent of the schools你们班百分之五的学生：five percent of the students in your class,2023/8/24,Step 3百分之多少 How many percent百分之多少的学生How many percent of the student你们班百分之五的学生five percent of the students in your class你们班百分之多少的学生是男生How many percent of the students in your class are boys?,Step 4:Practice the materials3,百分之多少How many percent百分之多少的学生How many percent of the students你们班百分之多少的学生How many percent of the studentsin your class四班百分之多少的学生是男生How many percent of the students in your class are boys？,Step5：Do exercises in class to put them into English,你们班百分之多少的学生是女生？How many percent of the students are girls in your class？我们班48的学生是女生Forty-eight percent of the students in our class are girls百分之多少（How many percent）,Step6：Put the sentenses from the textbook on display（课文句子呈现p13）,We found that Only fiftyteen percent of our students exercise every day我们发现我们只有百分之十五的学生每天锻炼Twenty percent of our students exercise only one to three times a week我们百分之二十的学生一周只锻炼一到三次And twenty percent of the students do not exercise at all还有百分之二十的学生根本不锻炼,Step7：Quote Einsteins famous maxim（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。Genius is one percent inspiration and ninety-nine percent perspiration。,Einsteins,Thanks for viewing!,