Unit 7 How much are these socks? Section B (1a-1e) 课件(共21张PPT)+内嵌视频

(共21张PPT)
What numbers did we learn
Numbers(0-9)
four
zero
one
two
three
five
six
seven
eight
nine
Numbers(10-12)
ten
eleven
twelve
规则1：
从zero到twelve， 拼写和读音没有什么规律，
逐一记忆；
Numbers(13-19)
规则2：
从thirteen 到nineteen, 表示“十几”，其后均有后缀-teen。注意thirteen, fifteen, eighteen的拼写。
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
Numbers(20-90)
规则3：
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。
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
Numbers(21-28)
规则4：
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-one
twenty-two
twenty-three
twenty-four
twenty-five
twenty-six
twenty-seven
twenty-eight
基数词
别忘了0是zero！
基数词：
表示数字和数目多少的词，如：one, two, three, four。
1) 表示数量，置于名词之前。
I have three skirts. 我有三条裙子。
2) 表示编号，置于名词之后。
He is in Class Six. 他在六班。Room 803 803号房
3) 表示号码。
My phone number is six two nine seven two four five.
我的电话号码是629-7245。
4) 表示年龄。
My daughter is four years old. 我女儿四岁了。
5) 表示时间。 eight thirteen 八点十三分
6) 用来计算。 Two and three is five. 二加三等于五。
基数词的用法
做数学题，学英语。
1. twenty-six － twelve = ________
2. sixteen ＋ eight = ___________
3. eighteen － five = ___________
4. twenty-five － thirteen = _____
5. twenty-nine－ ten = _________
6. twelve ＋ thirteen － five = _________
fourteen
twenty-four
thirteen
twelve
nineteen
twenty
【用】
1a Listen and repeat. 听录音并跟读。
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27
28 29 30 31
ten ___
twenty-five ___
twenty ___
fifteen ___
thirty ___
eleven ___
twenty-six ___
twenty-one ___
sixteen ___
thirty-one ___
twelve ___
twenty-seven ___
twenty-two ___
seventeen ___
thirteen ___
twenty-eight ___
twenty-three ___
eighteen ___
fourteen ___
twenty-nine ___
twenty-four ___
nineteen ___
10
11
12
13
26
29
14
25
27
28
20
21
22
23
24
15
16
17
18
19
30
31
1b Write the numbers in 1a next to the correct words. Which rows of
numbers are in the wrong places 将1a中的数字写在对应的单词
后。哪几行数字的顺序不对？
ten ___
fifteen ___
twenty ___
twenty-five ___
thirty ___
eleven ___
sixteen ___
twenty-one ___
twenty-six ___
thirty-one ___
twelve ___
seventeen ___
twenty-two ___
twenty-seven ___
thirteen ___
eighteen ___
twenty-three ___
twenty-eight ___
fourteen ___
nineteen ___
twenty-four ___
twenty-nine ___
10
1b Compete with your partner. Who reads more quickly
和你的同伴比一比，谁读得更快？
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
29
25
27
28
30
31
Where are the people in the picture
Can you guess their relationship
How much are the black shoes
How much is the blue sweater
How much are the trousers
How much is the T-shirt
How much is the green sweater
They’re eighteen dollars.
It’s fifteen dollars.
They’re sixteen dollars.
It’s eleven dollars.
It’s twenty dollars.
1c Listen and circle the numbers you hear in 1a.
听录音，在1a中圈出所听到的数字。
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27
28 29 30 31
1d Listen again. Circle the things in the picture
that Kate and her mom talk about. Check (√)
the thing Kate buys. 再听一遍录音，在图中
圈出凯特和妈妈谈到的物品，在凯特购买
的物品上打钩。
I. Translate the phrases into English.
11个篮球 __________________________
14个西红柿 ________________________
23件衬衫 __________________________
28只红袜子 ________________________
35顶帽子 __________________________
Exercises
eleven basketballs
fourteen tomatoes
twenty-three shirts
twenty-eight red socks
thirty-five hats
II. Multiple choice.
1. His little brother is .
A. 10 years old B. 10 year old
C. 10-year old D. 10-years old
2. —What class are you in —I’m in .
A. Grade Nine B. Class Nine
C. class nine D. grade nine
3. There are students in our class.
A. one B. ninteen C. twenty D. twenty-first
Exercises
A
B
C