七年级英语下册Unit1DreamhomesGrammar教案（新版）牛津版.docx

Unit1 GrammarTeaching Aims:Learn the spellings and usages of the cardinal and ordinal numbersStep 1 Warming up1. Enjoy a number song.2. Talking about numbers freely.Remind Ss to ask such questions:How old are you?How many family members are there in your family?How many students are there in your class?Whats your favourite number?What is your telephone number?Step 2 Present new wordszero hundred thousand million foot (pl. feet ) square metre area over Step 3 Cardinal numbers1. Teach the spelling and usages of cardinal numbers: zero, one million.2. Teach Ss how to read the cardinal numbers:4,056 four thousand and fifty-six23,813 twenty-three thousand eight hundred and thirteen567,110 five hundred and sixty-seven thousand one hundred and ten6,425,200 six million four hundred and twenty-five thousand two hundred3. Help them to find out the rules of reading a big number.4. Read and learn1) People from about 180 countries and areas live in New York.大约有来自180个国家和地区的人们生活在纽约。2) The CN Tower is 1,815 feet tall.加拿大国家电视塔有1,815 英尺高。3) Red Square in Moscow is about 91,000 square metres in size.莫斯科的红场面积大约91,000平方米。4) France has an area of over 260,000 square miles.法国有260,000多平方英里的面积。5) There are about 8,000,000 people living in London.大约有8,000,000人生活在伦敦。6) Tokyo, the capital of Japan, has over 13,000,000 people. 日本的首都东京有13,000,000多人口。Step 4 Ordinal numbers1. Explain the usage of ordinal numbers. We use ordinal numbers to order things and events. We use them to talk about dates, floors, positions, etc . e.g. Womens Day is on the eighth of March.Our flat is on the seventh floor.He is always the first to come to school in our class.2. Learn the spellings of the ordinal numbers with the help of the cardinal numbers. Remind the Ss the rules of the word-building.基变序，很容易；1, 2, 3特殊记; 8去t, 9去e; ve要用f替； ty变成tie.3. Complete B2 on Page12.1. Elsa lives on the _ floor. 2. Ivan lives on the _ floor.3. Mary lives on the _ floor. 4. Peter lives on the _ floor.5. Ricky lives on the _ floor.6. Wilson lives on the _ floor.Step 5 Summary一、基数词用法1. 基数词在表示数量时与表示编号、号码时的读法不一样。数字：87,300,005 读作：eighty-seven million three hundred thousand and five电话号码：82772906读作：eight two seven seven two nine zero six2. hundred, thousand, million 有不加s和加s两种情况： I have two hundred books. ( 不可加s)我有二百本书。I have hundreds of books. (必须加s)我有数百本书。二、序数词用法 1. 表日期：the fifth of June (=June the fifth) 6月5日 2. 表顺序或编号：the second lesson (=Lesson Two)3. 序数词常与the连用，但以下两种情况不用the (1) 作副词, 如：He often comes first in the exams. 他考试常名列第一。You must finish your homework first. (2) 前面有限定词（如形物代或名词所有格）时，不可再用the。Its my first time to watch the lion dance.Step 6 ExercisesComplete sentences with the correct forms of the words given.1. Do you live on the _ (nine) floor?2. Next Friday is my fathers _ (forty) birthday.3. There are eight _ (hundred) students in our school. _ of them come from the same town.4. On the _ (twelve) of Decem