小升初语法数词（课件）-2025-2026学年通用版英语六年级下册

数 词 目录 一 数词的概念 二 数词的分类 三 数词的基本用法 一 数词的概念 数词的概念：用来表示数目多少或顺序多少的词 数词的分类 基数词 序数词 基数词的构成 一 1—12的基数词是独立的单词. 二 13—19的基数词均以-teen结尾 三 20—90的整十数均以-ty结尾 one two three four five six seven eight nine ten eleven thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty thirty forty fifty sixty seventy eighty ninety 基数词的构成 四 21—99非整十数是在十位数词后面加上各位数词 构成，中间加上连字符“-”. 五 三位以上的基数词，在百位和十位之间要用连词and. 例如：twenty-one thirty-six 例如：138 one hundred and thirty-eight 425 four hundred and twenty-five 基数词的构成 七 整数单位. hundred(百) thousand(千) ten thousand(万) million(百万) billion(十亿) 六 数字中的0可用and连接 例如：205 two hundred and five 1006 one thousand and six 序数词的构成 二、有一些词在变成序数词时有一些变化. one-first two-second three-third five-fifth eight-eighth nine-ninth twelve-twelfth 一 除第一、第二外，其他序数词都是在基数词后加 -th构成 four-fourth six-sixth seven-seventh ten-tenth eleven-eleventh 序数词的构成 四 20以上的序数词，只需把基数词个位数变为 序数词. twenty-one—— twenty-first seventy-eight—— seventy-eighth 三 十位整数序数词的构成方法是讲基数词的词尾 y变成ie,然后再加th twenty-twentieth thirty-thirtieth forty-fortieth ninety-ninetieth 序数词的构成 基数词变序数词口诀: 基变序，有规律，词尾加上th, 1,2,3特别记，first, second, third。 8去t,9去e, f代ve， y变ie, 词尾要加th。 若是遇到几十几，只变个位就可以。 五 100以上的序数词，只需把基数词最后两位变成 序数词 例如：第150 one hundred and fiftieth 第233 two hundred and thirty-third 数词的基本用法 一 表示分数 表示分数时，分子用基数词，分母用序数词；如果分子大于1，分母须用复数形式。 例如：五分之一 one fifth 五分之二 two fifths 二 表示小数用基数词. 例如：5.5 five point five 12.135 twelve point one three five 数词的基本用法 三 表示百分数用基数词 例如：30% 读作 thirty percent 80% 读作 eithty percent 四 表示倍数. half 表示一半 once 表示一倍 double, twice表示两倍 用数词+times表示三倍及以上的倍数 数词的基本用法 五 用于加、减、乘、除的数字用基数词 加：plus, and 减：minus 乘：times 除：divided by(into) 六 表示具体的时间点用基数词. 七 表示年、月、日时用基数词. 1 年的读法.（每两位为一部分） 例如：1949 读作nineteen forty-nine 1840 读作eighteen forty 特殊：2000 读作 two thousand 2016 读作two thousand and sixteen 数词的基本用法 年、月、日的顺序，在英语中，按月、日、年的 顺序来读 例如：1949年10月1日，可以写作October 1st,1949 读作：October (the) first, nineteen forty-nine 或者the first of October, ninteen forty-nine 八 特殊数词hundred\ thousand\ million等的用法 1 这些词与具体数字连用时，习惯用单数 例如：two thousand three thousand 2 这些词与of连用时，要用复数 例如：hundreds of, thousands of, millions of 数词的基本用法 九 数词的其他用法 1 表示编号 2 表示次序 3 表示币制的读法 注意：人民币yuan和fen都没有复数形式 4 复合数词的用法 three-month-old baby a two-month visit to Japan a two-week trip around China 数词专项练习 在每个句子的横线上填写适当的英语单词，使句意正确、通顺。 1. There are_______seasons in a year. 2. There are_______ months in a year. 3. There are __________ hours in a day. 4. There are__________days in October. 5. Six plus _________ is twenty-seven. four twelve twenty-four thirty-one twenty-one 数词专项练习 在每个句子的横线上填写适当的英语单词，使句意正确、通顺。 6. Sixty-one minus seventeen is _______. 7. There are ________ Peoples in China. 8. There are ___________days in February. 9. There are _______ minutes in an hour. 10. There are forty-nine students in our class. There are twenty-six boys and ___________ girls. forty-four fifty-six twenty-eight sixty twenty-three 数词专项练习 用括号内所给词的适当形式填空 three 1. My little sister is ______ (three) years old. 2. Monday is the ______ (two) day of a week. 3. Which is the ______ (five) month of a year? 4. September is the ______ (nine) month of a year. 5. There are two ___________ (thousand) students in our school. second fifth ninth thousand 数词专项练习 用括号内所给词的适当形式填空 three 6. We can see ______ (million) of people in the square. 7. My ______ (one) name is Jim. 8. I’m ______ (eight) years old. Today is my ______ (eight) birthday. 9. I’m in Class ______ (four). 10. There are ______ (seven) days in a week. first eight eighth Four seven 数词专项练习 选择填空 B There are________ days in May. A. three-one B. thirty-one C. thirty D. thirty-first 2. Sunday is the ______ day of the week. A. first B. seventh C. sixth D. fifth 3. ______ students are helping the farmer. A. Five hundreds B. Five hundreds of C. Hundreds of D. Hundred of 4. ______ is very difficult. A. Lesson Ninth B. Lesson Nine C. Ninth Lesson D. The lesson Ninth A C B 数词专项练习 选择填空 5. There are ______ people here. A. three hundred and twenty-one B. three hundreds and twenty-one C. three hundred, twenty-one D. three hundred, twenty and one 6. Christmas Day is December _____. A. twenty-five B. the twentieth-five C. the twenty fourth D. the twenty-fifth 7. It's ______ now. A. seven past a quarter B. seven past quarter C. a quarter past seven D. quarter past seven A D C 数词专项练习 选择填空 A 8. The girl goes to school ______. A. at the age of seven B. seven years C. when she seven D. seven years old 9. There are ______ students in the game. I'm the ______. A. twelve; twelve B. twelve; twelfth C. twelfth; twelve D. twelfth; twelfth 10. I live in ______. A. 307 room B. the room 307 C. room 307 D. Room 307 11. —What's the date today? —It's ______. A. June the second B. June two C. the June second D. second June B D A 数词专项练习 选择填空 B 12. My brother was born ______. A. in May 6th, 1998 B. on May 6th, 1998 C. in 1998, May 6th D. on 1998, May 6th 13. His mother is in ______. A. her forty B. her the forty C. her forties D. her fortieth 14. Two pens are lost. I want to buy a ______ one. A. first B. second C. third D. fourth 15.Three million, three hundred and thirty-three thousand, three hundred and thirty-three is ______. A. 30,300,333 B. 333,333,333 C. 3,300,333 D. 3,333,333 C C D $