2023年牛津上海版英语六年级上册寒假讲义第8讲-数词

学习目标 掌握数词的变化和使用 教学内容 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 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 II. 1. How far is it from Beijing to Canada? It's about kilometres. 2. How is it from Beijing to Shijiazhuang? It's about kilometres. 3. How is it Beijing to Guangzhou? It's about 1358 kilometres. 4. How is it Guangzhou to Canada? It's about 9140 kilometres. 5. How is it Shijiazhuang to Canada? It's about kilometres. Keys:1. eight thousand five hundred 2. far, two hundred and seventy-eight 3. far, from 4. far, from 5. far, from, nine thousand six hundred 2、序数词 第1~第10 第20~第90 第100 1st 20th 100th 2nd 30th 3rd 40th 4th 50th 5th 60th 6th 70th 7th 80th 8th 90th 9th 10th 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：Room 305 第12路公共汽车：Bus No.12 4. 序数词前一般要用定冠词the，如果序数词前用a或an时，则表示“又一；再一”（没有具体范围的限制）。 如：Though he had failed twice，he wanted to try a third time. 尽管他已失败了两次，他还想再试一次。 The little monkey had had three apples，and he wanted to eat a fourth one. 那只小猴子已经吃了3个苹果，他还想再吃一个。 【知识梳理2】数词的应用 （1