language基数词与序数词.ppt

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1、基数词与序数词Unit2:NumbersCardinal&OrdernalNumbersNumberSsinClass10SsinGradeoneSsinNo.7MiddleschoolPeopleinConghuaCity474921,953538,188写出1－12的基数词onetwothreefourfivesixseveneightnineteneleventwelve1－12的基数词要劳劳记;Round1写出13－19的基数词thirteenfourteenfifteensixteenseventeeneighteennineteen13

2、－19的基数词以_____结尾;thirteenfourteenfifteensixteenseventeeneighteennineteenteenRound2thirteenfourteenfifteensixteenseventeeneighteennineteen写出20－90的整十位数的基数词twentythirtyfortyfiftysixtyseventyeightyninety20－90的整十位数以____结尾。twentythirtyfortyfiftysixtyseventyeightyninetytyRound3twentyt

3、hirtyfortyfiftysixtyseventyeightyninety写出23、52的英语表达法twenty-threefifty-two几十几的数由十位数和个位数合成，中间还要加连字符-。如：forty-three,ninety-nineRound4写出一万、十万的英语形式。tenthousandahundredthousandRound510,000100,000基数词的读法：如：425502fourhundredandtwenty-fivefivehundredandtwo三位数时，百位与十位（个位）之间要加____。and试读下列的

4、数字：1，123，658，109onebilliononehundredandtwentythreemillionsixhundredandfifty-eightthousandonehundredandnine大数的读法：每隔三位用一个逗号隔开,从右往左算起，第一个逗号是__________,第二个逗号是_________,第三个逗号是________。thousandmillionbillionReadthenumberscorrectlyonyourstudent’spaper.Round6Readthenumbersonpage23loud

5、lyandfindoutsomerules.hundred,thousand,million,billion表示确切数目或用在several后面时不能加_____；也不与____连用。（例如：fivethousandstudents）。但是在表示不确切数目时，要用____形式，后与_______连用。（如：hundredsofbooks，thousandsofstudents。）sof复数of1.―Howlongistheriver?―It’s________meters.A.aboutthreehundredandseventeenB.about

6、twohundredsandforty-fiveC.morethantwohundredsD.less than three hundreds and seventy2.―Canyouwritethenumbereighty-fourthousand,sixhundredandtwenty-six?―Yes,itis__________.A.84662B.84626C.48662D.48626学以致用3.－Howmanystudentsarethereinyourschool?－Thereare__________.A.thesixhundreda

7、ndsixty-fiveB.sixhundredsixty-fiveC.sixhundredsandsixty-fiveD.sixhundredandsixty-five______peoplevisitedtheGreatWalllastsummerholiday.A.MillionofB.ThousandofC.MillionsofD.FivemillionsWhichIndiandoyoulikebest?12345678910Iliketheninthone.Readtheordinalnumbersonpage24.Notes：序数词的缩

8、写形式由_______加上序数词的最后_____字母组成。如：first----1st,second----2nd,nin