1.one first2.two second3.three third4.four fourth5.five fifth6.six sixth 7.seven seventheight eighthnine ninthten tentheleven eleventhtwelve twrlfththirteen +thfourteen +thfifteen +thSixteen +th Seventeen +theighteen +thnineteen +thtwenty twentythtwenty-one twenty-firsttwenty-two twenty-secondtwenty-three twenty-thirdtwenty-four twenty-fourthtwenty-five twenty-fifth