小学英语数量词课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,数词,什么是数词？,表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫,基数词,，表示顺序的数词叫,序数词,。,基数词的构成与读法,（1）0-12,如：,zero one two three four five six seven,eight nine ten eleven twelve,(2)13-19都以,-teen,结尾，,如：,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen.,(3)20-90十位数的整数都以,-ty,结尾，,如:,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety.,基数词的表示法,(4)21-99,的两位数，十位与个位之间用连字符“,-”,。,twenty,-,one,thirty-two,forty-three,fifty-four,sixty-five,seventy-six,eighty-seven,ninety-eight,(5)101-999,如：,one hundred and one,two hundred and thirty,nine hundred and ninety-nine,写出下列数字。,twelve,14,fourteen,20,twenty,40,forty,90,ninety,19,nineteen,35,thirty-five,78,seventy-eight,111,one hundred and twelve,234,two hundred and thirty-four,12,2.,基数词表示时刻。,（,1,）表示几点钟用基数词加,oclock.,例：,7,点 读作,seven oclock,5,点 读作,five oclock,(2),用”钟点数,+,分钟数“表示。,例：,7:10 seven ten,9:40 nine forty,(3),表示半点钟时，用“钟点数,+thirty”,或“,half+past+,钟点数”表示。,例：,2:30 two thirty/half past two,8:30 eighty thirty/half past eighty,分钟数在,30,分钟以内的，用“分钟数,+past+,钟点数”表示，意为“几点过几分”。,例：,7:10 ten past seven,10:15 fifteen past ten/a quarter past ten,(5),分钟数超过,30,分钟的，用“（,60-,分钟数）,+to+,下一个钟点数”表示，意为“差几分到几点”。,例：,10:40 twenty to eleven,2:45 fifteen to three/a quarter to three,练习：,用英语表示下列时间。,10:05,ten past five,8:30,eight thirty,12:10,twelve ten,1:15,one fifteen,5:47,thirteen to six,9:23,nine twenty-three,3:51,nine to four,11:49,eleven to twelve,6:00,six oclock,7:22,seven twenty-two,3.,表示货币,基数词,+,货币单位（,yuan/dollar/pound),注意：人民币,yuan,(,元）没有复数形式,美元：,dollardollars,英镑：,pound pounds,例：,5,元,-five yuan,1,美元,-one dollar 7,美元,-seven dollars,1,英镑,-one pound 9,英镑,-nine pounds,4.表示运算,加,+,and,或,plus,减,-,minus,例：,3+4=7,three,plus,four,equals,seven,4-3=1,four,minus,three,equals,one,5.,表示编号,Bus No.729,Room 8302,Class 3,Grade2,