初中英语《序数词》微课课件

eight eighth thirty-nine thirty-ninth
fivfteh twel vfteh
Leabharlann Baidu
one first two second
eight h nineth
three third
Please remember: 一二三，变字体；后缀-th从四起
八加h, 九去e; f来把ve替
ninth
two second ten
tenth
three third eleven
eleventh
four fourth twelve
twelfth
five fifth six sixth
twenty thirty
twentieth thirtieth
seven seventh twenty-one twenty-first
one __________ two___________ three_________ five__________ eight ___________ nine _________ twelve________ forty__________ thirty________ fifty-four_______________ ninety-six ____________
These are ordinal numbers.（序数词）
third first
second
Can you find the rules?
Cardinal ordinal Cardinal numbers numbers numbers
ordinal numbers
one first nine
twen tiye th thirtieth
fortieth
…….. ninetieth
Please remember: 整十-ty变-tie
twenty-one twenty-first twenty-two twenty-second
……..
Please remember: 若是遇到几十几， 只变个位就可以