Unit 1 Home Grammar 课件2025-2026学年译林版英语七年级下册

译林版七年级英语下册 Unit 1 Home Grammar Cardinal numbers. 基数词 我们通常用基数词来表示数量的多少。生活中我们可以用来谈论距离、面积、价钱、温度、尺寸、电话号码、人数、事物的数量、编号、门牌号、年龄、年代、时刻、年级、班级等。 e.g. A new dress costs over four hundred yuan. It is about seventy-five centimeters tall. Between January and March the temperature stays below 0 °C every day. 一、用法 five hundred and sixty-seven thousand and fifteen three hundred seventeen thousand two hundred and eighty ten thousand nine hundred and forty-three one hundred and twenty-three thousand four hundred and fifty-six nine million seventy thousand eight hundred and eleven forty-five million six hundred and seven thousand seven hundred and sixty How do we say it? 4,056= ___ thousand _______ __ 23,813= ___________ thousand __________________ 567,110= ______________________ thousand __________________ 6,425,200= __ million _ __________________ thousand __________ four and fifty-six twenty-three eight hundred and thirteen five hundred and sixty-seven one hundred and ten six four hundred and twenty-five two hundred 0 = zero 11 = eleven 1 = one 12 = twelve 2 = two 13 = thirteen 3 = three 14 = fourteen 4 = four 15 = fifteen 5 = five 16 = sixteen 6 = six 17 = seventeen 7 = seven 18 = eighteen 8 = eight 19 = nineteen 9 = nine 10 = ten 注意： 13—19均以teen结尾。但thirteen, fifteen, eighteen略有不同。 构成 Listen and write. ten thousand two hundred and six one hundred and twenty-six one hundred thousand two hundred and sixty one million two hundred thousand and twenty-six one thousand and twenty-six one hundred and ten thousand two hundred and six 10,206 126 100,260 1,200,026 1,026 110,206 Neil’s home is about 15 miles from London. lt is on 28 Rose Street. It has an area of 160 square metres. His phone number is 0207 000 1111. Neil loves taking pictures. He has about 2,000 pictures on his phone. They are very beautiful! (1) Where is Neil’s home? (2) What is the area of his home? (3) What is his phone number? (4) How many pictures does he have on his phone? 20 = twenty 30 = thirty 40 = forty 50 = fifty 60 = sixty 70 = seventy 80 = eighty 90 = ninety 100 = hundred 注意：20以上100以内的整十数，均以ty结尾；20以上的非整十数，书写时要在十位和个位之间加连字符。但twenty, thirty, forty, fifty, eighty略有不同。 21 = twenty-one 22 = twenty-two 23 = twenty-three 24 = twenty-four 25 = twenty-five 26 = twenty-six 27 = twenty-seven 28 = twenty-eight 29 = twenty-nine 读法规律： (1)百位数 百位和十位之间要用and,and 轻读，若十位为0 则在个位前加“and”。 (2)千位数非正式文体中，十位数和个位数均为0, 百位数 不为0的MN00, 既可以读作M thousand N hundred也可以读 成MN hundred。 (3)1,0000以上大数字 在用阿拉伯数字记录较大数目时， 通常用逗号或空格将大数目分隔，从个位开始，三个一组。 第一个“,”前为thousand, 第 二个“,”前为million。 Read the sentences below and pay attention to the numbers in his writing. 1 We live in Room 806, Building 15, City Garden. 2 Our flat is 98 square metres in area. 3 Our phone number is 010-1212 1212. 4 My sister Annie is nine years old, and she is in Grade 4. 5 Mum usually gets up at 6:45 in the morning. 6 My computer costs 4,550 yuan. room number building number area phone number time price grade number age six forty-five fifteen to seven a quarter to seven 6:45 顺读法 倒读法 before 30 8:10 10:05 after30 8:45 9:55 eight ten ten past eight ten five five past ten eight forty-five fifteen to nine a quarter to nine nine fifty-five five to ten Read and pay attention to the use of cardinal numbers. Neil’s home is about 15 miles from London. lt is on 28 Rose Street. It has an area of 160 square metres. His phone number is 0207 000 1111. Neil loves taking pictures. He has about 2,000 pictures on his phone. They are very beautiful! We can use cardinal numbers to talk about distance, house numbers, areas, , years, the number of people and things, etc. distance house numbers areas phone numbers the number of things phone numbers Simon is writing about his home and family.Read the sentences below and pay attention to the numbers in his writing. 1 We live in Room 806,Building 15,City Garden. eight o six fifteen 2 Our flat is 98 square metres in area.ninety-eight 3 Our phone number is 010-12121212. 0 one o one twO one twO one twO one twO 4 My sister Annie is nine years old,and she is in Grade 4.four fifteen/a quarter to seven 5 Mum usually gets up at 6:45 in the morning. six forty-five 6 My computer costs 4,550 yuan.four thousand five hundred and fifty 7I was born in 1994.nineteen ninety-four 用法 （1）基数词主要用于表达确切的数量。 金钱 年龄 蝴蝶的种类 I make five hundred dollars a week. Their son Dylan is twelve. They have a butterfly house with over 200 kinds of butterflies！ It is about 10 miles from here. 距离 （2）在表示一个具体的数目时，hundred，thousand，million，billion后面都不能加-s。如：two hundred，seven million等。 There are about two thousand students in my school. Hundreds of people were reported killed or wounded in the earthquake. 在表示一个不确定的数目时，应用hundreds，thousands 等加介词 of 来表示。 基数词和可以与名词构成复合词，中间用连字符“-”，相当于形容词，作定语。 在这种复合词中，名词不能用复数。 Tom is a six-year-old boy. He will take part in the boys’ 400-meter race. Talk with your partner about your home and family,using cardinal numbers. Li Mengtian lives on the twenty-second floor. Her birthday is on the twentieth of February. She is in the seventh grade. She is alwavs the first in her class to get to school. Read and summarise Then what do you know about ordinal numbers?Read the sentences below about Li Mengtian and pay attention to the use of ordinal number. We use ordinal numbers to talk about the order of things and events.We use them to talk about grades,dates, floors positions,etc. 基数词表示顺序时，由“单数名词+基数词”构成， 此时名词和基数词的第一个字母通常都大写。 Class Fourteen 14班 Lesson One 第一课 Room 505 505房间 No. 4 Middle School 第四中学 注意：“单数名词+基数词” 可以转换为“the +序数词+单数名词”， 此时的名词和序数词的第一个字母都不大写。 Lesson One= the first lesson Let’s learn more about cardinal numbers! 表示次序 the second boy第二个男孩 表示日期 the seventeenth of January一月十七日 表示生日 his thirtieth birthday他的三十岁生日 表示名次 come first获得第一名 表示楼层 the third floor第三(四)层 序数词的常见用法 1.How old are you? I’m __________. fourteen It is my ___________ birthday. （14） fourteenth 2.There are ___________ (20) floors in my flat. I live on the ___________(20) floor. twenty twentieth 3.Usually there are _____________ days in February. Today is the ________________ of February. twenty-eight twenty-eighth 4. Wednesday is the _________ day in a week. fourth Ordinal numbers are also around us. Simon is writing about his home and family. Read the sentences below and pay attention to the numbers in his writing. 1 We live in Room 806, Building 15, City Garden. 2 Our flat is 98 square metres in area. 3 Our phone number is 010-1212 1212. 4 My sister Annie is nine years old, and she is in Grade 4. 5 Mum usually gets up at 6:45 in the morning. 6 My computer costs 4,550 yuan. Talk with your partner about your home and family, using cardinal numbers. Practice 1. Finish Part B1 on page 12. first sixth seventh eighth tenth fourteenth nineteenth twenty-second thirtieth ninetieth hundredth Practice 2. Finish Part B2 on page 12. (1) Li Mengtian lives in a building with 22 floors. Her home is on the top floor, the ____________ floor. Her family always eat yuanxiao on the Lantern Festival— the _______ day of the first month in the Chinese lunar calendar. twenty-second fifteenth null 4896.0 null 3456.0 null 4536.0 null 3888.0 null 4968.0 null 3672.0 $