Unit 1 第3课时 Grammar（精品课件） -2023-2024学年七年级英语下册同步精品课堂（牛津译林版）

Dream homes Dream homes Grammar Teaching aims By the end of the lesson, students should be able to: 1. learn about cardinal numbers and ordinal numbers; 2. use cardinal numbers to describe numbers, sizes, etc; 3. use ordinal numbers to describe dates, floors, etc. 1. New words and phrases: zero, hundred, thousand, million, foot, square, metre, area, over, square metre, in size, have an area of 2. New structures: The CN Tower is 1,815 feet tall. Women’s Day is on the eighth of March. He is always the first to come to school in our class. Teaching contents Important and difficulty points 1. To remember all the ordinal numbers. 2. To use the cardinal and ordinal numbers correctly. Part one Cardinal numbers Lead in Let’s sing the number songs together with the video! The formation Rule 1:基数词1-12是独立的单词，无规律可循 one two three four five six seven eight nine ten eleven twelve 7 Rule 2:基数词13-19基本是在3-9后加后缀-teen，读音为/ti:n/，但13,15,18有些不同 thirteen fourteen fifteen sixteen seventeen eighteen nineteen The formation 8 The formation Rule 3:20-90各整十位数都以–ty结尾，读音为/ti/ twenty thirty forty fifty sixty seventy eighty ninety 9 Rule 4:21-99除整十位数外，十位和个位之间要加连字符“-” The formation twenty-one sixty-nine seventy-eight thirty-four 10 Rule 5:100-999先说“几百”加and，再说末尾两位数或末位数 The formation one hundred and two six hundred and ninety-three seven hundred and eighty-four 11 The formation one hundred one thousand ten thousand one hundred thousand one million 1000以上的数，从后往前，每三位加一个千分号，第一个千分号在的位置为thousand，第二个千分号在的位置为million，第三个千分号在的位置为billion，依次类推。 12 Read numbers How to read these numbers? 一个逗号，从“千”读；两个逗号，第一个从“百万”读，第二个从“千”读；每个hundred后加and. 4,056 23,813 567,110 6,425,200 four thousand and fifty-six twenty-three thousand eight hundred and thirteen five hundred and sixty-seven thousand one hundred and ten six million four hundred and twenty-five thousand two hundred 13 Read numbers 14 1. 表示名词数量的多少； The usage two Canadians five Russians thirteen gardens ten miles three capitals four beaches 2. 表示 时间用基数词 The usage