(共33张PPT)
Unit 7 How much are these socks
人教新目标版 七年级上
SectionB 1a-1e优质课
Learning objectives
1. Curriculum words: ten, eleven, twelve, thirteen, fifteen, eighteen, twenty, thirty
2. Functions: 能够正确使用基数词描述商品价格
3. Grammar: 基数词0-100的构成和用法
4. Sentences: —How much is the green sweater —It’s twenty dollars.
—How much are they —Only sixteen dollars.
5.提高学生获取信息的能力和口语交流能力。
Warming-up
Let's guess the price.
— How much is this…
— It’s…dollars.
— It’s $ 3.
— It’s $ 7.
— Please down.
— It’s $ 4.
— You are great.
— Please up.
($2-$8)
Lead-in
$ 4
($20-$25)
($15-$20)
($10- $15)
— How much is this…
— It’s… dollars.
$ 18
— How much are these…
— They’re…dollars.
$ 23
$ 2
$ 14
($1-$5)
$ 11
($7-$12)
ten 十
eleven 十一
twelve 十二
thirteen 十三
fourteen 十四
fifteen 十五
sixteen 十六
seventeen 十七
eighteen 十八
nineteen 十九
从one到twelve， 拼写和读音没有什么规律，逐一记忆；
从thirteen 到nineteen, 表示“十几”，其后均有后缀-teen。注意thirteen, fifteen, eighteen的拼写。
Can you read these numbers
Presentation
twenty 二十
twenty-one
二十一
twenty-two
二十二
twenty-three
二十三
twenty-four
二十四
twenty-five
二十五
twenty-six
二十六
twenty-seven
二十七
twenty-eight
二十八
twenty-nine
二十九
表示“几十几”， 用“整十数+个位数”表示，中间用连字符“-”把十位数和个位数连接起来。
thirty 三十
thirty-one三十一
thirty-two
三十二
thirty-three三十三
thirty-four
三十四
thirty-five
三十五
thirty-six
三十六
thirty-seven
三十七
thirty-eight
三十八
thirty-nine
三十九
表示“几十几”， 用“整十数+个位数”表示，中间用连字符“-”把十位数和个位数连接起来。
twenty 二十
thirty 三十
forty 四十
fifty 五十
sixty 六十
seventy 七十
eighty 八十
ninety 九十
one hundred 一百
从twenty到ninety，表示“整几十”，其后均有后缀-ty。但需注意以下几个词的拼写：twenty, thirty, forty, fifty, eighty。
表示“几百”，用“具体数字+hundred”，注意hundred应用单数形式。
从one到twelve， 拼写和读音没有什么规律，逐一记忆；
表示“几十几”， 用“整十数+个位数”表示，中间用连字符“-”把十位数和个位数连接起来。
1. 个位数、十几、几十几
从thirteen 到nineteen, 表示“十几”，其后均有后缀-teen。注意thirteen, fifteen, eighteen的拼写。
基数词
整几十
从twenty到ninety，表示“整几十”，其后均有后缀-ty。但需注意以下几个词的拼写: twenty, thirty, forty, fifty, eighty。
整百
表示“几百”，用“具体数+hundred”，
注意hundred应用单数形式。
2. 整几十、整百
1. 1 - 12: (记住每个单词)
2. 13 - 19: -teen (thir-; fif-; eigh-)
3. 20 - 90: -ty (twen-; thir-; for-; fif-; eigh-)
4. 21 - 99:
十位
个位
5. 100 - 900:
1-9 hundred
6. 101 - 999:
____ hundred and
__
__
个位
十位
__
个位
基数词的规律总结
英语数词不难记，
找出规律就容易。
零至十二词不同，
一个一个单独记，
后面加teen变十几，
thirteen , fifteen辨仔细，
eighteen 只有一个t，
两个音节念清晰。
二十至九十后加ty，
twenty不同重点记，
forty去掉字母u，
thirty, fifty更出奇，
十位数后个位数，
表示数值几十几，
按序排列不费力，
连字符号莫丢弃。
Summary
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27
28 29 30 31
Listen and repeat.
1a
Row 1: ten___ eleven___ twelve___ thirteen___
fourteen___
Row 2: twenty-five____ twenty-six_____ twenty-seven___
twenty-eight____ twenty-nine___
Row 3: twenty____ twenty-one____ twenty-two___
twenty-three___ twenty-four____
Row 4: fifteen______ sixteen______ seventeen______
eighteen_______ nineteen_____
Row 5: thirty____ thirty-one_______
Write the number in 1a next to the correct word.
Which rows of numbers are in the wrong places
10
11
12
13
14
25
26
27
28
29
20
21
22
23
24
15
16
17
18
19
30
31
1b
数字接龙游戏
Two.
Four.
Six.
Eight.
...
Count by two
Count from 3 to 99
比一比哪个小组最先数完
数字接龙游戏
Three.
Six.
Nine.
Twelve.
...
Count by three
Count from 3 to 99
比一比哪个小组最先数完
How much are the black shoes
How much is the blue sweater
How much are these trousers
How much is the T-shirt
How much is the green sweater
Where are the people in the picture
Can you guess their relationship
Pre-listening
Kate and her mother are shopping at the clothes store.
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27
28 29 30 31
Listen and circle the numbers you hear in 1a.
1c
√
1d
Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys.
Mom: Oh, look! I like that blue sweater. _____ _____ is it
Kate: _______ dollars. Oh, I like these _____.
Mom: Oh, no. I don’t like ___.
Kate: Do you like this ______
much
red
How
Fifteen
socks
T-shirt
Listen again. Fill in the blanks
Mom: Mmm, yes. I do, but it’s ______ dollars.
Kate: Oh. How much is the _____ _______
Mom: It’s ______ dollars. But you have a green sweater.
Kate: Mmm.
Mom: Oh, do you like these _______
Kate: Oh, yes. How much ____ ____
Mom: Only _______ dollars.
Kate: OK, ____________.
eleven
green
sweater
twenty
trousers
are
they
sixteen
I’ll take them
Finish the following True or False questions.
1. Kate likes the blue sweater.
2. Kate's mother doesn't like red socks.
3. Kate doen't like the T-shirt.
4. Kate has a green sweater.
5. Kate's mother thinks the trousers are cheap.
F
T
F
T
T
Mom: Oh, look! I like that blue sweater .
How much is it
Kate: 15 dollars. Oh, I like these socks.
Mom: Oh, no. I don’t like red.
Kate: Do you like this T-shirt
Mom: Mmm, yes, I do, but it’s 11 dollars.
Kate: Oh. How much is the green sweater
Mom: It’s 20 dollars. But you have a green
sweater.
Kate: Mmm.
Mom: Oh, do you like these trousers
Kate: Oh, yes. How much are they
Mom: Only 16 dollars.
Kate: OK, I’ll take them.
How much is/are…
It’s…
Ask and answer questions about the things in the picture above.
1e
数词是表示数量或顺序的词， 可分为基数词和序数词两种。 表示数目多少的词叫基数词， 如one, two, three等。 基数词可指代或修饰可数名词。
表示数量，置于名词前。
eg.I have five apples. 我有五个苹果。
表示编号，置于名词后。名词和基数词首字母通常大写。
eg.I'm in Class Two, Grade Seven. 我在七年级二班。
基数词的用法
表示号码。
eg.My phone number is 23***271.
我的电话号码是23***271
表示年龄。
eg.My father is forty now.
我的爸爸四十岁了。
表示时间。
eg.It's eight twenty now.
现在是八点二十分。
表示计算。
eg.Five and three is eight.
五加三等于八。
基数词的用法
Exercises
一、根据句意选择正确的词语填空
1. There are five __________ (tomatoes, tomatos) on the table. 2. She _________ (doesn’t, don’t) like rice for lunch. 3. Do they like ________ (carrot, carrots) 4. Does she like ________ (milk , milks) for dinner 5. —Do you like salad —Yes, I ______ (do, like).
tomatoes
doesn’t
carrots
milk
do
一、用英文快速说出你看到的数字
Exercises
二、汉译英
11个篮球 __________________________
14个西红柿 ________________________
23件衬衫 __________________________
28只红袜子 ________________________
35顶帽子 __________________________
1
2
3
4
5
eleven basketballs
fourteen tomatoes
twenty-three shirts
twenty-eight red socks
thirty-five hats
Exercises
三. 补全对话
A: ________________________
B: Yes, please. I _________ a hat.
A: ___________________________
B: Black.
A: Here you are.
B: ____________________
A: 5 dollars.
B: I’ll take it. Thanks.
A: _______________________
Can I help you
want
What color do you want
How much is it
You’re welcome.
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