【M's Lessons】02: About ordinal numbers

We have learned about basic numbers last lesson. So, I’d like to learn words about ordinal numbers following.

Ordinal numbers 序数

EN -------------------------- CN
1st first -------------------- 第一 (dì yī)
2nd second ----------------- 第二
3rd third ------------------- 第三
4th fourth ------------------ 第四
5th fifth -------------------- 第五
6th sixth ------------------- 第六
…

The rule of the English ordinal numbers

1. normally the ordinal number in English is adding –th except first, second, third.
2. the ending letter of E will be taken away, and adding –th. eg: ninth
3. the ending letter of Y will be change as IE, and adding –th. eg: twentieth, thirtieth
4. for the two or more digits of number, it will keep the fore number still and change the last number. Eg: twenty-first, ninty-fifth.

The rule of the Chinese ordinal numbers

Well, it’s very simple. We never change the shape of the character of numbers. We put 第(dì) in front of the number describe about ordinal, that’s all.

It’s too simple for learning this lesson. So I don’t left any exercises for you. See you next lesson.



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PS: The answers of exercises of last lesson
... Apparently nobody take it serious :( I know it's too easy, but everything must be have a simple start. There must be someone to start it...

1. Translate the numeral into Chinese

• 87946413 = 八千七百九十四万六千四百一十三 bā qiān qī bǎi jiǔ shí sì wàn liù qiān sì bǎi yī shí sān
• 687893 = 六十八万七千八百九十三 liù shí bā wàn qī qiān bā bǎi jiǔ shí sān
• 49894 = 四万九千八百九十四 sì wàn jiǔ qiān bā bǎi jiǔ shí sì
• 6564 = 六千五百六十四 liù qiān wǔ bǎi liù shí sì
• 1354 = 一千三百五十四 yī qiān sān bǎi wǔ shí sì
• 12 = 十二 shí èr
• 6 = 六 liù

2. Translate the numeral into English

• 1,689,465,460 = one billion six hundred eighty nine million four hundred sixty five thousand four hundred sixty
• 681,503,522 = six hundred eighty one million five hundred three thousand five hundred twenty two
• 49,646,230 = forty nine million six hundred forty six thousand two hundred thirty
• 1,978,904 = one million nine hundred seventy eight thousand nine hundred four
• 654,654 = six hundred fifty four thousand six hundred fifty four
• 10,006 = ten thousand six
• 1,602 = one thousand six hundred two
• 302 = three hundred two