(Teachthewords“first”to“twelfth”bytalkingaboutthemonthsinthesamewayas“January”.)T:Sowecansayfirsttotwelfthnow.Doyoustillrememberthenumbers1to30?Ss:Yes.T:Then,let’scountthem.(othirtyonebyone.)T:Yousee,thesenumbersarecardinalnumbers.Andthere’sanotherkindofnumbers.They’reordinalnumbers.Let’scountthemfromfirsttotwelfth.Ok?(Letsomeotherstudentssayfirsttotwelfthonebyone.)T:Well,nowwecansayordinalnumbersfromfirsttotwelfth.Canyousaytheothernumbers?TakeoutyourEnglishbookandturntopage48.Lookatthenumbersinthechartof2a.I’llplaytherecordingofit.Listenandrepeat,please.(Playtherecording.Studentsreadafteritandtrytolearntherestordinalnumbers.)T:Nowlookatthescreen.Herearethecardinalnumbersandordinalnumbers.Canyoufindouttherulesofchangingcardinalnumbersintoordinalnumbers?Workinpairsandtrytosummarizetherules.