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初一英语(上)第七单元第三课时课件

发布时间:2013-10-14 10:32:56  

Unit 7 How much are these socks?
Period 3 Section B 1a-1e

How much are these socks? They are three dollars .

Let’s chant!
One two Three four Five six Seven eight Nine ten One two Three four Five six Seven eight Nine ten. Put on your shoes Go to the store Buy the socks Take the shirt Come back again Put on your shoes Go to the store Buy the socks Take the shirt That’s the end

Can you count these numbers in English? 1 2 3 4 11 12 20 21 13 30 31 14 40 41 15 50 51 16 60 61 17 70 71 18 80 81 19 90 91 100 101 5 6 7 8 9 10 22 32 42 52 62 72 82 92 23 33 43 53 63 73 83 93 24 34 44 54 64 74 84 94 25 35 45 55 65 75 85 95 26 36 46 56 66 76 86 96 27 37 47 57 67 77 87 97 28 38 48 58 68 78 88 98 29 39 49 59 69 79 89 99

Learn these numbers and find out the rules.
one two three four five eight nine ten eleven thirteen twenty twenty-one fourteen thirty thirty-one forty-one fifteen forty fifty-one sixteen fifty sixty-one seventeen sixty seventy-one eighteen seventy eighty-one nineteen eighty ninety-one hundred ninety six seven twelve
… … … … … … … … twenty-nine thirty-nine forty-nine fifty-nine sixty-nine seventy-nine eighty-nine ninety-nine

掌握基数词的拼写。

拓展

基数词

下面把100以内的基数词分为四类。 1、第一类: one 一 two 二 three 三 four 四 five 五 six 六 seven 七 eight 八 nine 九 ten 十 eleven 十一 twelve 十二 这一类共计十二个单词,在结构上与其他的 基数词相比较是特殊的,就象不规则的动词 一样,要求逐个的硬背下来,这对学好其他 的基数词和序数词都是及其重要的。

2、第二类: thirteen 十三 fourteen 十四 fifteen 十五 sixteen 十六 seventeen 十七 eighteen 十八 nineteen 十九 这一类基数词共有七个。它们在结构上有两个 特点:一是在发音方面都有两个重音;二是在 拼法上都有后缀-teen。除了thirteen和fifteen 之外,都是纯粹地在另一个基数词的后面加上 后缀-teen。但要注意eighteen的拼法,eight 本身有t字母,因此只加-een。

拓展

拓展
3、第三类: twenty 二十 thirty 三十 forty 四十 fifty 五十 sixty 六十 seventy 七十 eighty 八十 ninety 九十 这类基数词共有八个。都是十位的整数,均 以后缀-ty结尾。其中sixty、seventy、eighty、 ninety基本上是在相应的基数词后面加上后缀 -ty。但要注意eighty的拼法,eight本身有t字 母,因此只加-y。

拓展
4、第四类: 这一类和很简单,可以看成是一种合成词。 其结构方式是:用十位整数加上个位整数, 其间用连字符号“-”连接,表示“几十几”。 这类基数词的变化都是规则的。如: twenty-one 二十一 forty-six 四十六 seventy-eight 七十八 ninety-five 九十五

1a

Listen and repeat.

10 11 12 13 14 15 16 17 18 19 20

21 22 23 24 25 26 27 28 29 30 31

Write the numbers in 1a next to the correct 1b words. Which rows of numbers are in the wrong

places? ten ___ 10 20 twenty-five____ twenty___ 25 11 eleven_____ twenty-six_____ twenty-one____ 26 21 22 twelve_____ twenty-seven___ twenty-two___ 12 27 thirteen_____ twenty-eight___ twenty-three___ 28 23 13 fourteen____ twenty-nine___ twenty-four___ 29 24 14

1b fifteen _______ sixteen ______ 15 16

17 18 seventeen ______ eighteen ______ 19 nineteen ______ thirty

30 ______

31 thirty-one ______

1c

Listen and circle the numbers you hear.

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 things in the 1d picture that Kate and her mom talk about. Check (√) the thing Kate buys.



Tapescript
Mom: Oh, look. I like that blue sweater. How much is it?

Kate: Fifteen dollars. Oh, look. 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.

1e

Ask and answer questions about the things in the picture above.

1e

C: How much are the blue trousers? S: They are 16 dollars. C: How much is the white T-shirt? S: It is 11 dollars. C: How much is the black hat? S: It is 13 dollars.

How much is this …? It’s …

$18 $35$5

shirt hat How much is this sweater T-shirt hundreddollars. fifty It’s oneseven five

?

$7

$ 50

$ 100

30 $5

¥5 ¥15
clothes for Mrs lin

Clothes for Miss. Lin

8 yuan ¥30

20yuan
¥ 25 ¥ 10 ¥4 ¥7

HOMEWORK

Do other exercises in this part.

The end of this period!


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