Ordinal Numbers Worksheet for Kindergarten Kids | Math ... Most ordinal numbers end in "th" except for: one ⇒ first (1st) two ⇒ second (2nd) three ⇒ third (3rd) In this worksheet students are encouraged to circle the correct ordinal number. Wonderful worksheet to learn ordinal numbers. ordinal-Numbers Click the below link for free PDF download. Ordinal-Numbers-fill-up Download Here