牛津译林版七年级英语下Unit1 Dream homes教案（3份）
Teaching aims:
1.Review the prepositions .
2 Cardinal numbers and ordinal numbers
Teaching points:
To master the numbers.
Teaching difficulties:
Special numbers.
Teaching steps:
Step1 Revision
用所给动词的适当形式填空。
1. Thank you for ______(give) me the presents.
2. Can he ______(chat) with his friends in the sitting room?
3. He would like ______(share) the room with his brother.
4. He spends two hours every day _______(practise) _____(speak) English.
5. I have lots of things ______(buy).
6. I’m sorry he has no time _____(talk) to you now.
7. Do you like _____(read) story books?
8. Look! The boys ____(play) basketball on the playground.
9.Are you good at ______(sing)?
10. Let him _____(go).
Step2 Presentation
Say the numbers one bye one .
Tell Ss the ordinal numbers and the cardinal numbers.
Step 4. Discussion (task)
Show Ss some examples and ask them to discuss the usage of ordinal numbers and compare with cardinal numbers
Cardinal numbers
We use cardinal numbers almost every day. We use them for lots of different things.
1.基数词的读法：
⑴“几十几”十位和个位之间用“—”。e.g. 32 thirty-two
⑵101—999 百位和十位间加“and”.e.g. 928 nine hundred and twenty-eight
⑶1000以上的数，从后往前每三位一段，倒数第一个数读thousand，倒数第二个数读million，依次类推。e.g. 8,542,601
eight million, five hundred and forty-three thousand, six hundred and one
2 .基数词的运用：
hundred, thousand, million, billion等一般用单数，但以下情况用复数：
⑴表示不定数目：e.g. hundreds of millions of
⑵表示“几十”的数词，其复数形式可以表示年龄或年代。
3. Ordinal numbers
We can use ordinal numbers to to order things and events. We use them to talk about dates, floors, results, etc.
1. 序数词的运用：
⑴表示日期：e.g. 6月1日 on the first of June/ on June (the) first
⑵表示编号：e.g. lesson 5 the fifth lesson
⑶起副词作用，前无“the” e.g. Simon came first in the English exam.
⑷序数词前有限定词修饰时，不加“the”. e.g. This is my first lesson.
2 .I’ll arrive in Beijing on Sunday.
arrive (vi.) arrive in(大地点)/at (小地点）= get to = reach
Have a discussion and find out the differences between cardinal numbers and ordinal number
Finish the exercises in the books.
Homework
1. Review the contents of this lesson.
2. Do the Exx of the workbook.