Ordinal Numbers: 1st, 2nd, 3rd, 4th, etc. Type the words in the box and then check the spelling by pressing the Get answer! button. Check the spelling carefully. Notice how the ending 1st/2nd/3rd/ 4th comes from the last two letters of the word = first, second, third, fourth a: 1st b: 2nd c: 3rd d: 4th e: 5th f: 6th g: 7th h: 8th i: 9th j: 10th Click here to do the Ordinal Numbers Word SearchClick here to do another Back to Basics exercise.Click here to go to the Back to Basics Lessons.