人教版七年级上册 Unit 7 How much are these socks-Section B (1a-1e)课件(共23张PPT，无音频)

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Unit 7 How much are these socks
Section B (1a-1e)
1. 通过观察、比较发现规律，掌握基数词1-31的发音和拼写。
2. 学会通过图片或标题预测听读材料的大意。
Yellow T-shirt, yellow T-shirt
How much is this yellow T-shirt
Three dollars, three dollars.
It’s three dollars.
Green sweater, green sweater
How much is that green sweater
Five dollars, five dollars.
It’s five dollars.
Black shoes, black shoes
How much are these black shoes
Nine dollars, nine dollars
They’re nine dollars.
Blue trousers, blue trousers
How much are those blue trousers
Eight dollars, eight dollars
They’re eight dollars.
Chant
17
12
15
16
13
18
14
11
19
eleven
twelve
seventeen
fourteen
fifteen
sixteen
nineteen
eighteen
thirteen
10
ten
Learn
Learn these numbers.
21
24
23
22
thirty
25
twenty-six
twenty-seven
twenty-eight
twenty-nine
twenty-one
twenty-two
twenty-three
twenty-four
twenty-five
30
26
27
29
28
thirty-one
31
twenty
20
Learn
Learn these numbers.
10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31
1a
Listen and repeat.
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
Practice
Read and notice the rules.
4. 15, 50, 150, 255, 1050
2. 26, 32, 40, 14, 18
3. 13, 17, 30, 127, 200
1. 11, 26, 12, 20, 16
Practice
Listen to the teacher and write the numbers.
ten___ eleven___ twelve___ thirteen___ fourteen___
twenty-five____ twenty-six___ twenty-seven___ twenty-eight____ twenty-nine___
twenty____ twenty-one____ twenty-two___ twenty-three___ twenty-four____
fifteen______ sixteen______ seventeen______ eighteen_______ nineteen_____
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
1b
Write the numbers in 1a next to the correct word. Which rows
of numbers are in the wrong places
10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31
1c
Listen and circle the numbers you hear in 1a.
基数词的基本表达法 例词
0-12的单词拼写需特殊记 zero one two three four five six seven eight nine ten eleven twelve
13-19在3-9后加后缀-teen构成，单词有两个重音，对于13,15,18要特殊记忆。 thirteen fourteen fifteen
sixteen seventeen eighteen nineteen
30-90各整十位数都以-ty结尾。 twenty, thirty…
20-100之间其他各数要在十位和个位之间加连字符构成。 twenty-one, twenty-two, twenty-three, twenty-four, twenty-five, twenty-six,
twenty-seven, twenty-eight
语法小结
基数词的基本表达法
基数词，不难记，找出规律很容易：
零至十二形各异，一个一个单独记。
如果表示是“十几”，后面要加-teen。
thirteen，fifteen形异需留意，eighteen只有一个t。
表示“几十”要加-ty，twenty，thirty是特例。
表示数字“几十几”，连字符号别忘记。
口诀助记
你记住了吗？
14个西红柿
23件衬衫
28只红袜子
35个草莓
45条短裤
48件毛衣
fourteen tomatoes
twenty-three shirts
twenty-eight red socks
thirty-five strawberries
forty-five shorts
forty-eight sweaters
Practice
汉译英
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. How much is it
Kate: Fifteen 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 eleven dollars.
Kate: Oh. How much is the green sweater
Mom: It’s twenty 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 sixteen dollars.
Kate: OK, I’ll take them.
听力材料
A: How much is the white bag B: It’s seventeen dollars.
1e
Ask and answer questions about the things in the picture above.
10 11 15
ten thirteen twelve
20 18 30
sixteen nineteen
26 28 39
twenty-one thirty-five
eleven
13
fifteen
12
twenty
16
eighteen
19
thirty
twenty-six
21
twenty-eight
35
thirty-nine
Exercise
填表格，记数字。
1. My uncle is ____________ (25) years old．
2. —How much is this hat —It’s ________(11) dollars．
3. My teacher is only __________(22) years old．
4. They have _______ (12) balls．
5. _______(15) and _________(13) is ____________(28)．
twenty-five
eleven
twenty-two
twelve
Fifteen
thirteen
twenty-eight
Exercise
用英语写出括号内的数字。
1. ——这双红色的袜子多少钱？
——12美元。
2. ——那件毛衣多少钱？
——26美元。
—How much are the red socks
—They’re twelve dollars.
—How much is that sweater
—It’s twenty-six dollars.
Exercise
翻译句子。
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
做数学题，学英语。
1. Review the numbers you have learnt.
2. Make your own shopping conversation.
Homework
It’s difficult to make money. We should save money.
赚钱不容易，我们应节约用钱。
Let’s use the least money to buy the most useful things!
让我们以最少的钱买最实用的东西！
Remember
Thanks for listening!