七年级英语上册 unit4 The world of numbers Listening and Speaking课件 牛津深圳版[1]

1、1How many candies are there in my box?2Chapter 4 The world of numbersListening and Speaking3The oil costs ninety-eight point eight yuan.98.8point4Your temperature is thirty-seven centigrade(摄氏摄氏) degree（度）（度）.37centigrade degree5My home number is two five six one six eight nine seven.2561 68976Its n

2、ine past ten now.750%The discount(折扣折扣) is fifty percent.a half8even百分数百分数degree分数分数odd小数的小数的度数度数percentage奇数的奇数的偶数的偶数的decimalfraction9 1.2.603.4.5.6.an even numbera percentagea number showing degreean odd numbera decimal numbera fraction10A Now try a quiz about numbers. Listen and draw a circle rou

3、nd the right answer.1 A. 80 B. 49 C.172 A. 2.66 B. 26% C.2/63 A.75 B. 75% C.754 A. 1/8 B. 0.75 C. 335 A. 56 B. 65 C. 666 A. 90 B.90% C. 1/97 A.2565 3881 B. 2566 2881 C. 2565 28818 A.1.8% B. 80% C.18%9 A. $5,000 B.$50,000 C. $15,00010 A.30.5 B.13.5 C. 3511One of Mr. Lis friends in Shanghai will have

4、a birthday party. Mr. Li wants to buy a present and goes to meet him by plane. But he comes across(遇到) four mathematical difficulties（数学难题） on the way to his friends house. 12In the Shopping MallMr. Li wants to buy a book and a pen. The book costs 58 yuan, and the pen costs 30 yuan. He gives the sel

5、ler 100 yuan. What is the change(找零找零)?A. 100-(58+30)=12B. 100+58+30=188C. 100-58+30=72Formulas(算式算式):13Going to the airportThe flight（航班）（航班） for shanghai will leave in 30 minutes, and its 7:58(two to eight) now. When will the plane leave?A. 7:58-30=7:28B. 7:58+30=8:28C. 7:58+30=7:88Formulas(算式算式):

6、14On the planeThere is a girl sitting next to Mr. Li on the plane. Mr. Li is 178 cm tall. And the girl tells Mr. Li that he is 40 cm taller than her. Then how tall is the girl?A. 178+40=218B. 178-40=138Formulas(算式算式):15In friends houseThere are 12 pieces of cakes in Mr. Lis house. They should be div

7、ided among 2 kids（小孩）（小孩） and 4 other people. Then how many pieces of cakes each person can get?A. 122+4=10B. 12(2+4)=2 C. 12(2+4)=2Formulas(算式算式):16B listen to the conversations(对话对话) and write down the formulas(算式算式) and answers below the pictures.1.2.3.4.5.6.0.53+2=3.56:58+30=7:28163+12=175124=38

8、4=3250-23=27Go to ppt 23171.0.53+2=3.51 GIRL Id like to buy three pencils and one ballpoint pen（圆珠笔）（圆珠笔）. How much are they? WOMAN 0.5 yuan for one pencil and 2 yuan for one ballpoint pen. QUESTION How much should the girl pay?Back182.50-23=272 WOMAN Here is 50 yuan. MAN Thats twenty three yuan for

9、 the book, and here is your change(找零找零). QUESTION What is the change?Back193.84=323 GIRL How many pieces of chocolate are there in the box? WOMAN Eight. GIRL Id like to take four boxes. QUESTION How many pieces of chocolate does the girl want to buy?Back204.163+12=1754 BOY How tall are you? GIRL I

10、am 163 cm tall. BOY Well, I am 12 cm taller than you. QUESTION How tall is the boy?Back215.6:58+30=7:285 WOMAN The flight(航班航班) for Beijing will leave in 30 minutes. MAN Whats the time now? WOMAN Its two to seven(6:58). QUESTION When will the plane leave?Back226.124=36 MUM I bought twelve apples. DA

11、D Well, divide them among the four kids(小孩小孩). QUESTION How many apples does each kid get?Back23There is a new grocery(杂货店杂货店) opened near our school. You want to have a look and buy something. Please work in pairs and make a dialogue.A: Can I help you?B: Yes, Id like to buy 2 notebooks.A: 1.5 yuan

12、for one.B: So they cost 3 yuan. Here is 5 yuan.A: Thank you, and here is 2 yuan for the change.For example:24A: Can I help you?B: Yes, Id like to buy 2 notebooks.A: 1.5 yuan for one.B: So they cost 3 yuan. Here is 5 yuan.A: Thank you, and here is 2 yuan for the change.For example:a notebook: ￥1.5a p

13、en: ￥10.5a rubber: ￥1.5a candy: ￥2a ballpoint pen: ￥8a birthday card: ￥325Genius is 1% inspiration and 99% perspiration. Thomas Edison A man is like a fraction whose numerator(分子分子) is what he is and whose denominator(分母分母) is what he thinks of himself. The larger the denominator, the smaller the fraction. Leo Tolstoy 天才等于天才等于1%的智慧和的智慧和99%的汗水。的汗水。爱迪生爱迪生一个人就像一个分数，他的实际才能好比分子，一个人就像一个分