unit 4 the world of numbers

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/4UNIT4THEWORLDOFNUMBERSUNIT4THEWORLDOFNUMBERS华师附属南国实验学校实习队BYHUANGSHAOFANGPERIODTHE1STPERIODTEACHINGCONTENTREADINGAINPAGE50TEACHINGTYPEREADINGTEACHINGAIMLANGUAGEACQUIRESOMEKNOWLEDGEABOUTTHEANCIENTNUMBERS,THESYSTEMOFNUMBERSANDCALCULATINGMACHINESLEARNSOMEEXPRESSIONSOFCALCULATION,EGODDNUMBER,EVENNUMBER,ADD,PLUS,SUBTRACT,MINUS,MULTIPLY,TIMES,DIVIDE,EQUALS,APERCENTAGEABILITYDOSOMESIMPLECALCULATIONSEMOTIONBEWARESTUDENTSOFTHECONCEPTALLSUBJECTSARECLOSELYRELATEDWESHOULDNOTFAVOURONEORSOMESUBJECTSANDNEGLECTANOTHEROROTHERSIFYOUSTUDYONESUBJECTWELL,ITWILLBEHELPFULFORYOUTOSTUDYOTHERSUBJECTSTEACHINGTOOLMULTIMEDIADIFFICULTANDIMPORTANTPOINTS精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/4TEACHINGPROCEDURE1GREETINGS1MIN2LEADINRAISESOMEQUESTIONS5MINSTDOYOUKNOWWHATSUBJECTIWILLTEACHTODAYENGLISHCHINESEORMATHSPREDICTEDENGLSHTAREYOUSUREIAMAFRIADNOTIDLIKETOTEACHYOUMATHTODAYAREYOUGOODATMATHLETSDOSOMEQUIZZESTOSEEHOWWELLYOURMATHISQ1HOWMANYBOYSARETHEREINOURCLASSSPREDICTEDTHIRTEENTHETEACHERWRITESDOWNTHENUMBERONTHEBLACKBOARDQ2HOWMANYGIRLSARETHEREINOURCLASSSPREDICTEDTWELVETHETEACHERWRITESDOWNTHENUMBERONTHEBLACKBOARDQ3HOWMANYSTUDENTSARETHEREINOURCLASSSPREDICTEDTWENTYFIVETHETEACHERWRITESDOWNTHENUMBERONTHEBLACKBOARDQ4HOWDOYOUKNOWSUGGESTEDANSWERADDTHIRTEENANDTWELVEWEGETFIFTEENTHIRTEENPLUSTWELVEEQUALSFIFTEENSOOURCLASSCONSISTSOFTHIRTEENBOYSANDTWELVEGIRLS精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/4Q5WEHAVEFOURCLASSESINOURGRADEIFEVERYCLASSHASTWENTYFIVESTUDENTS,HOWMANYSTUDENTSARETHEREINOURGRADESUGGESTEDANSWERONEHUNDREDQ6DOYOUKNOWWHOINVENTEDTHESENUMBERSTHEARABIANSORTHEINDIANSSUGGESTEDANSWERTHEINDIANSQ7WHATMACHINESCANWEUSETOCALCULATENUMBERSSUGGESTEDANSWERSABACUS,ELECTRONICCALCULATOR,COMPUTER3LEARNSOMENEWWORDSANDEXPRESSIONSINTERWOVENWITHTHEABOVEPROCESS10MINS1“ADDAND”,“PLUSEQUALS”,“CONSISTOF”ADDTHIRTEENANDTWELVEWEGETFIFTEENTHIRTEENPLUSTWELVEEQUALSFIFTEENSOOURCLASSCONSISTSOFTHIRTEENBOYSANDTWELVEGIRLS2“ODD”,“EVEN”THIRTEENISANODDNUMBERTWELVEISANEVENNUMBER3“MULTIPLYBY”“TIMESEQUALS”,“NEARLY”MULTIPLYTWENTYFIVEBYFOURWEGETONEHUNDREDTWENTYFIVETIMESFOUREQUALSONEHUNDREDTINFACT,WEHAVENINTY精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/4NINESTUDENTSINOURGRADESOITSNEARLYONEHUNDERD4“INVENT”,“INVENTION”5“CALCULATE”,“CALCULATOR”SHOWAPICTUREOFELECTRONICCALCULATOR6“ABACUS”,“BEAD”,“WIRE”,“BOTTOM”SHOWAPICTUREOFABACUS4ASKTHESTUDENTSTOLOOKATTHESCREENANDREADTHEABOVENEWWORDSANDEXPRESSIONSALOUD1MIN5DOEXERCISEA1GUIDETHESTUDENTSTOUNDERSTANDTHEREQUIREMENTSFIRST2MINS6READINGPREREADING5MINSASKTHESTUDENTSTOREADTHEQUESTIONSINPAGE51READING10MINSREADTHETEXTINPAGE50ANDANS