江苏省大丰市第七中学九年级英语《数词与名词》专题复习教案1.英语中的数词分为两种:基数词与序数词
基数词表示事物的多少,序数词表示事物的顺序,往往与定冠词the连用
请熟记下面的表格:onefirst1sttwelvetwelfth12ththirtythirtieth30thtwosecond2ndthirteenthirteenth13thfortyfortieth40ththreethird3rdfourteenfourteenth14thfiftyfiftieth50thfourfourth4thfifteenfifteenth15thsixtysixtieth60thfivefifth5thsixteensixteenth16thseventyseventieth70thsixsixth6thseventeenseventeenth17theightyeightieth80thsevenseventh7theighteeneighteenth18thninetyninetieth90theighteighth8thnineteennineteenth19thninety-fiveninety-fifth99thnineninth9thtwentytwentieth20thonehundredonehundredth100thtententh10thtwenty-onetwenty-first21steleveneleventh11thtwenty-sixtwenty-sixth24th2.英语中有几个比较重要的数字单位,例:ten,dozen(一打,十个),score(二十个),hundred,thousand,million,billion,这些单位前有数字时不加s
英文中数字从右向左三位一逗号,读数时千位与百位之间通常不加and,百位与十位间需要加and,例: