Unit 7 How much are these socks Section B(1a—1e) 课件（内嵌音频素材24张PPT)

Unit 7 How much are these socks ？
Section B(1a—1e)
人教新目标英语 七年级 上册
学 习 目 标
1
学会本部分有关数字的单词。
弄清楚凯特和妈妈讨论的物品。

2
课 堂 导 入
Talk about the price of the clothes.
$ 2
$ 7
$ 8
$ 4
$ 5
How much is…? It’s…
How much are…? They’re…
课 堂 学 习
Learn these numbers and find out the rules:
Group 1
one two three
four five six
seven eight nine
ten eleven twelve
小结
1-12 拼写和读音没有相似之处，应分别记忆。
13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nineteen
Group 2
小结
13-19除thirteen, fifteen, eighteen外，其余的在相应的个位数后加-teen。
小结
20-90之间表示“几十”的整十位数，除twenty, thirty, forty, fifty, eighty外，其余的在相应的个位数后加-ty。
20 twenty
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
Group 3
小结
100-900之间表示“几百”的整百位数，用“具体数字+ hundred”表示。
100 one hundred
200 two hundred
300 three hundred
400 four hundred
500 five hundred
600 six hundred
700 seven hundred
800 eight hundred
900 nine hundred
Group 4
小结
21-99之间表示“几十几”的非整十位数，用“整十位数+连字符 ‘-’+个位数”表示。
21 twenty-one … 29 twenty-nine
31 thirty-one … 39 thirty-nine
41 forty-one … 49 forty-nine
51 fifty-one … 59 fifty-nine
61 sixty-one … 69 sixty-nine
71 seventy-one … 79 seventy-nine
81 eighty-one … 89 eighty-nine
91 ninety-one … 99 ninety-nine
Group 5
小结
101-999之间表示“几百几十（几）”的非整百位数，用“百位数+ and + 末（两）位数”表示。
101 one hundred and one
205 two hundred and five
809 eight hundred and nine
221 two hundred and twenty-one
541 five hundred and forty-one
782 seven hundred and eighty-two
Group 6
Who can count these numbers in English?
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
1a
Listen and repeat.
1b
Write the numbers in 1a next to the correct words.
Which rows of numbers are in the wrong places?
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_______
10
11
12
13
14
25
26
27
28
29
20
21
22
23
24
15
16
17
18
19
30
31
Row 4
Row 2
1c
Listen and circle the numbers you hear in 1a.
Game Time
1, 2, , , 4, 5, , 7, 8, ….
逢3或3的倍数，只拍手。
Let's play a number game!
数字游戏
Look at the picture. Where are the people?
1d
Listen again. Circle the things in the picture that Kate and her mom talk about. Check (∨) the things Kate buys.
∨
How much is the white bag?
It is seventeen dollars.
Ask and answer questions about the things
in the picture above.
1e
How much is the white T-shirt?
It is eleven dollars.
For example
I. 完成数字表格。
课 堂 达 标
10
11
15
ten
thirteen
twelve
20
18
30
sixteen
nineteen
26
28
39
twenty-one
thirty-five
eleven
13
fifteen
12
16
19
twenty
eighteen
thirty
twenty-six
21
twenty-eight
35
thirty-nine
II. 翻译句子。
1. 这些红色的袜子多少钱？
How much are the red socks?
2. 那件毛衣多少钱？
How much is the/that sweater?
1. Review the English numbers that we have learned today.
2. Preview the passage in 2b.
Homework
Thank you !
谢谢
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