中考英语专项复习-+基数词与序数词课件.ppt

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1、Teachinggoals1.LearnCardinalNumber’s2.LearnmanynumberformofnumeralsTeachingProcedures:Step1.Geretingandrevision.Step2.Presentation1.Teacherperformssomeactionstopresentthenewtense.2.Studentsacttolearnhowtousethetense.Step3.Lookandmatch1Findtherightanswertoeachquestion231.What’sthepopulationofChi

2、na？Ithasalreadyreached1.3billion42.What’sthenumberofpeopletheworld?6.8billion53.HowmanypeoplearethereIndia?It’ssecondwith1.1billion64.HowlargeisthepopulationoftheUSA?309millionAbout37584075.Howmanynumberbabiesdopeoplehavetofindfoodforeveryday?12345678OneTwoThreeFourFiveSixSevenEight8基数词9101112N

3、ineTenEleventwelve（一）、一至十二的数:（二）、十几的数:都是以-teenti:n结尾，913141517161819thirteenfourteenFifteenSixteenSeventeenEighteenNineteen基数词（三）、整十数都是以tyti结尾2030405060708090TwentyThirtyfortyfiftysixtyseventyeightyninety10基数词(四)、几十几的数：例：32thirty–twothirty-second=32nd点拨：几百几的数：先说“几百”再说“几十几”中间可用and（美式可略）即：百位数

4、+hundredand+末尾数Eg：235towhundred（and）thirty–five=towhundredandthirty-five=235点拨：几十几的数：先说“几十”再说“几”中间用连字号“-”即：“整十数+连字号+个位数”11基数词1234567First=1stSecond=2ndThird=3rdFourth=4thFifth=5thSixth=6thSeventh=7th12序数词(一)、1-12的数：89101112OneTwoThreeFourFiveSixSevenEighth=8thNinth=9thTenth=10thEleventh=11thTwe

5、lfth=12thEightNineTenEleventwelve1313141516171819Thirteenth=13thFourteenth=14thFifteenth=15thSixteenth=16thSeventeenth=17thEighteenth=18thNineteenth=19th(二)、十几的数（即13-19的数）：序数词thirteenfourteenFifteenSixteenSeventeenEighteenNineteen（二）、整十数都是以tyti结尾2030405060708090Twentieth=20thThirtieth=30thFor

6、tieth=40thFiftieth=50thSixtieth=60thSeventieth=70thEightieth=80thNinetieth=90th14序数词TwentyThirtyfortyfiftysixtyseventyeightyninety基变序歌诀：基变序，很容易，一、二、三，特殊记。Th要从四加起，八去t，九去e。F来把ve替，ty改为tie，然后再加th。若是遇到几十几,只变个位就可以。15基变序五、英语中：百、千、万、十万、百万、千万、亿、十亿的用法百千万、Hundredthousandtenthousand十万、百万、oneHundredthousand

7、million亿、十亿Tenmillionbillion16警示hundred,thousand,million,billion这几个词；(1)当前面有基数词时，后面不加-sEg：fivethousandstudents.(2)当前面无基数词时要加-s，且用of连用。Eg：thousandsofstudents.17六、读多位数读多位数时，要从右向左，每隔三位数加一个逗号，右边第一逗号读thousand,第二个读million,第三个读billion中国习