module 5 a lesson in a lab.ppt

Whoarethey Whatisthisplace module5ALessoninaLab Introduction VocabularyandSpeaking Introduction 01 somethingaboutscience 02 VocabularyandSpeaking 03 allkindsofnumerals 04 05 TeachingGoals Introduction Howmuchdoyoukonwaboutgeneralscience Haveaquiztogeneralscience 1 aaaabbb2 air gas oxygencontract expandearth sun moongas liquid solid3 natural electricity iron somemetalsandairarenatural man made steel somemetalsandglassareman made both electricityandsomemetalscanbeman madeandoccurnaturally Checktheanswers VocabularyandSpeaking 1 4 2 3 Percentages Fractions Decimals CardinalnumeralOrdinalnumeral Allkindsofnumerals onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty one cardinalnumerals firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth ordinalnumerals Cardinalnumeral Ordinalnumeral 一二三 特殊记八去t 九去e f来把ve替ty变成tie 再加th遇到几十几 只需变个位就可以 cardinalnumerals ordinalnumerals Fractions 1 41 34 51 103 41 22 3 2 55 89 103 85 6 1 Aquarter2 Onethird3 Four fifths4 Onetenth5 Three quarters6 Onehalf7 Two thirds8 Two fifths9 Five eighths10 Nine tenths11 Three eighths12 Five sixths CHECKTHEANSWERS 1 4 aquarter1 2 ahalfAB Attention 分子 分母 基数词 序数词 如果分子 1 则分母要加s 如果是复合分数 如几又几分之几 先读出整数 再读分数 15 可编辑 Percentage Howtoreadthem 22 45 87 percent Fractions Percentage thesameas 1 41 34 51 103 41 22 3 1 Aquarteristhesameas25 2 Onethirdisthesameas33 33r thirty threepointthreethreerecurringpercent 3 Four fifthsisthesameas80 4 Onetenthisthesameas10 5 Three quartersisthesameas75 6 Onehalfisthesameas50 7 Two thirdsisthesameas66 66r sixty sixpointsixsixrecurringpercent 分数 百分数 of 名词 代词 作主语时 谓语动词的单复数与of后的名词或代词一致 eg Two thirdsofearth ssurfaceiswater Two fifthsofthestudentsagreetoholdaneveningpartyfortheirteacher sbirthday 95percentofthestudents get thecertificatesofar onlyonethirdofthework do uptonow 分数 百分数 of 名词 代词 作主语 havegot hasbeendone Decimals xx xxxx readascardinalnumerals point readthenumbersonebyone Remember ThepronunciationoflargenumbersinEnglishisverydifferentfromthatinChineseinChinawesay40 000as4wan ButinEnglishwesayfortythousand LargenumbersinEnglish SowecancallthecommaintheEnglishnumberfromtherighttoleftasthousand million billion Beforethecomma wereadthenumberasusual afterreadingit weaddthecommatoitsothatitcanbecompletelyread CommainEnglish largenumerals XXX XXX XXX XXX billion million thousand ReadyforCompetiton 1 1234 12 1 onehundredandtwenty threethousand fourhundredandfifty six sevenbillion onehundredandtwenty threemillion fourhundredandfifty sixthousand sevenhundredandeighty nine twelvethousand threehundredandfourty five 123 12 345 1 234 12 345 678 123 456 1 234 567 7 123 456 789 Consolidation 52 470 383fifty twomillion fourhundredandseventy threehundredandeighty three100 000 000hundredmillion Activity1 thousand one Activity2C E 7 0456 00744521 17650 53万34亿23 543