2023-2024学年小升初英语精美讲义+练习第12讲 数词 （牛津上海版试用本）

授课主题 第12讲--数词 教学目标 1.复习1-100基数词的读法与拼写 2.掌握1-100序数词的读法与拼写 3. 掌握数词的用法 教学重难点 重点：序数词的写法 难点：序数词的具体运用 教学内容 I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the centre of Australia. He will soon visit Darwin. From there, he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting. 【知识梳理1】基数词与序数词 1. 基数词 1 one 20 twenty 101 one hundred and one 2 two 21 Twenty-one 123 one hundred and twenty-one 3 three 30 thirty 1000 one thousand 4 four 40 forty 1001 one thousand and one 5 five 50 fifty 1023 one thousand and twenty-three 6 six 60 sixty 2235 two thousand, two hundred and thirty-five 7 seven 70 seventy 8 eight 80 eighty 9 nine 90 ninety 10 ten 100 One hundred 拓展：你知道下面的怎么表达吗？ 两百__________________ 九千___________________ 成百上千的____________ 成千上万的_____________ 你找到规律了吗？ hundred, thousand 前面有数词修饰时，用单数形式。 hundreds of, thousands of 表示概数 数词与其他词构成复合形容词，其中，名词要用单数形式：a two-year-old boy 2、序数词 第1~第10 第20~第90 第100 1st first 20th twentieth 100th hundredth 2nd second 30th thirtieth 3rd third 40th fortieth 4th fourth 50th fiftieth 5th fifth 60th sixtieth 6th sixth 70th seventieth 7th seventh 80th eightieth 8th eighth 90th ninetieth 9th ninth 10th tenth 注意： 序数词应注意的几点事项： 1. 多位数的基数词变成序数词时，只需将末位基数词变成序数词，前边的基数词不变。如： 42 forty-two 第42 forty-second 900 nine-hundred 第900 nine-hundredth 2. 当序数词用阿拉伯数字表示时，必须在数字后加上序数词的最后两个字母。如： 第21: 21st 第32: 32nd 3. 编了号的事物要用基数词表示顺序，但是基数词要后置。 例如： 第一课：Lesson One 第三十二页：Page 32 第305房间：Roo