1-12：one two three four five six seven eight nine ten eleven twelve；

13-19末尾以teen结尾，比如19 nineteen； 20-99可用“十位-个位”的方法读数，比如21 twenty-one 22 twenty- two ……97 ninety- seven 98 ninety- eight 99 ninety- nine ，100 hundred

第1 first 1st

第2 second 2nd

第4 fourth 4th

第5 fifth 5th

第6 sixth 6th