人教版英语七年级上册 Unit 7 How much are these socks?Section B 1a-1e 课件 (共30张PPT)

(共30张PPT)
How much
are these socks
Section B 1a-1e
five
one
two
three
four
six
seven
eight
nine
ten
Lead-in
写出以下数字
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.
Listening
1a
Let's find out the rules
0
1 2 3 4 5 6 7 8 9 10
11
12 20 21 22 23 24 25 26 27 28 29
13 30 31 32 33 34 35 36 37 38 39
14 40 41 42 43 44 45 46 47 48 49
15 50 51 52 53 54 55 56 57 58 59
16 60 61 62 63 64 65 66 67 68 69
17 70 71 72 73 74 75 76 77 78 79
18 80 81 82 83 84 85 86 87 88 89
19 90 91 92 93 94 95 96 97 98 99
100 101
zero
one two three four five six seven eight nine ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
twenty-one … twenty-nine
thirty-one … thirty-nine
forty-one … forty-nine
fifty-one … fifty-nine
sixty-one … sixty-nine
seventy-one … seventy-nine
eighty-one … eighty-nine
ninety-one … ninety-nine
one hundred one hundred and one
Grammar
(1) 0—12 独立成词.
（1）0-12：没有规律，需逐一记忆。
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
Grammar
看一看，找一找
基数词
zero
(2) 13 —19 以-teen结尾.
13 — thirteen
15 — fifteen
18 — eighteen
19 — nineteen
14 — fourteen
16 — sixteen
17 — seventeen
（2）13-19：表示“十几”, 在个位数词后加-teen。
注意特例:thirteen, fifteen, eighteen
Grammar
看一看，找一找
基数词
60 — sixty
70 — seventy
80 — eighty
90 — ninety
(3) 表示“整十”的20—90 以--ty结尾.
20 — twenty
30 — thirty
40 — forty
50 — fifty
（3）20-90：表示“整十”, 在2-9后加-ty。
注意特例:twenty, thirty, forty, fifty, eighty
Grammar
基数词
22
33
thirty-three
44
forty-four
55
fifty-five
99
ninety-nine
twenty-two
21
twenty-one
(4) 21—99 中间有连字符“-”.
（4）21-99：表示“几十几”，由“几十”的单词加
上1-9的单词构成，中间用连字符“-”连接。
Grammar
看一看，找一找
基数词
(5) 表示“整百”的100—900 .
300
200
two hundred
700
seven hundred
nine hundred
three hundred
100
one hundred
800
eight hundred
900
（5）100-900：表示“整百”，在1-9的英文单词
后加上hundred构成。
Grammar
看一看，找一找
基数词
101
840
eight hundred and forty
693
six hundred and ninety-three
301
three hundred and one
one hundred and one
(6) 101—999 在百位后加and.
（6）101-999：表示“几百几十几”，由“几百”后加上and, 然后再加“几十几”。
Grammar
看一看，找一找
基数词
1~9 11~19 10~90
one eleven ten
two twelve twenty
three thirteen thirty
four fourteen forty
five fifteen fifty
six sixteen sixty
seven seventeen seventy
eight eighteen eighty
nine nineteen ninety
Grammar
你能看出有什么规律吗？
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
Grammar
基数词记忆方法
基数词，不难记, 找出规律就容易。
零至十二形各异, 一个一个单独记。
后加-teen变 “十几”, thirteen, fifteen看仔细；
eight原本就有t, 只加-een莫忘记。
“整十”末尾-ty觅, twenty，thirty是特例;
forty没u记心里, eighty不能双写T。
表示数字 “几十几”, 连字符号别丢弃。
Grammar
基数词记忆口诀
基数词
序数词
数量
顺序
Grammar
数词
1. 表示年龄。基数词放在years old之前。
e.g. He is twelve years old.
2. 用来表示人或物的数量，放在可数名词之前。
e.g. I have three balls.
3. 表示顺序、编号等，放在名词后。名词和基数词首字母通常大写。
e.g. I'm in Class Two, Grade Seven.
基数词的用法
Grammar
4. 用来计算。
e.g. What's forty and twenty It's sixty.
5.表示号码。
e.g. My phone number is 23876271.
6.表示时间。
e.g. It's eight twenty now.
基数词的用法
Grammar
Game
（当青蛙跳到荷叶时, 快速说出其中的英文数字）
青蛙
跳
11
23
12
13
26
30
17
25
29
20
14
25
31
14
(小组竞赛：你能做出这些数学题吗 )
1. Eleven and twenty-four is _________.
2. Forty-five plus five is _____.
3. Sixty-two minus ten is __________.
4. Multiply five by nine is __________.
5. Eight divided by two is _____.
thirty-five
fifty
Can you deal with these math problems
fifty-two
forty-five
four
计算： 加 and / plus 减 minus
乘 multiply… by… 除 … divide by…
Competition
14个西红柿
23件衬衫
8双红袜子
35个草莓
5条短裤
48件毛衣
fourteen tomatoes
twenty-three shirts
eight pairs of red socks
thirty-five strawberries
five pairs of shorts
forty-eight sweaters
翻译下列名词短语：
Practice
Row1: ten___ eleven___ twelve___ thirteen___ fourteen___
Row2: twenty-five____ twenty-six_____ twenty-seven___
twenty-eight____ twenty-nine___
Row3: twenty____ twenty-one____ twenty-two___
twenty-three___ twenty-four____
Row4: fifteen_____ sixteen_____ seventeen____
eighteen______ nineteen_____
Row5: thirty____ thirty-one_____
10
11
12
13
14
25
26
27
28
29
20
21
22
23
24
15
16
17
18
19
30
31
Which rows of numbers are in the wrong places
The 2nd and The 4th row 第二行和第四行
Write the numbers in 1a next to the correct words.
1b
10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31
Listen again. Circle the numbers you hear in 1a.
1c
While-Listening
Listen again. Circle the things in the picture that Kate and her mother talk about.Check( ) the things Kate buys.
While-listening
1d
√
Listen for the third time. Then answer the question.
Why doesn't Kate and her mom buy other things
Red socks: Her mother doesn't like red.
Green sweater: Kate has already a green sweater.
White T-shirt: It's 11 dollars./ It's a bit expensive.
While-listening
Listen again. Complete the conversation.
Mom: Oh, look! I like that ____ sweater. How much is it
Kate: _______ dollars. Oh, I like these _____.
Mom: Oh, no. I don't like ___.
Kate: Do you like this _______
Mom: Mmm, Yes, I do. but it's ______ dollars.
Kate: Oh, How much is the green _______
Mom: It's ______ dollars. But you ____ a green sweater.
Kate: Mmm.
Mom: Oh, do you like these ________
Kate: Oh, yes. How much are they
Mom: Only _______ dollars.
Kate: OK, I'll take them.
blue
Fifteen
socks
red
T-shirt
eleven
sweater
have
twenty
trousers
sixteen
While-listening
Ask and answer questions about the things in the picture above.
After-listening
1e
A: How much is the white bag
B: It's seventeen dollars.
Game
Let's count！
(Count by three)
three,six,nine,twelve...
一、做数学题，学英语。
1. twenty-six - twelve - nine = ____
2. sixteen ＋ eight ＋ eleven = _________
3. eighteen - seven ＋ fifteen = __________
4. thirteen＋fourteen-twenty-five = ____
5. twenty-nine - thirteen - ten = _____
6. thirty-nine - twenty - five =_________
7. twelve ＋ thirteen - fifteen = _______
8. nineteen - eleven ＋ twenty =___________
five
thirty-five
twenty-six
two
six
fourteen
ten
twenty-eight
Exercise
1. Sandy likes the green sweater. (变成否定句)
Sandy ___________ the green sweater.
2. How much are these black shoes (回答)
_______ four dollars.
3. I want green. (划线提问)
__________ do you want
4. I like oranges. (变成一般疑问句)
_______ like oranges
5. This bag is three dollars. (就画线部分提问)
__________ is this bag
二、根据要求完成句子。
doesn’t like
They’re
What color
Do you
How much
Exercise
Homework
Preview the passage in Section B 2b.
Do the exercises in students’ book.