小升初英语知识点专项复习专题二 词类 数词课件

数 词数 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onetwothreefourfivesixseveneightsevensixthreezeroninetwooneeightfourfivenumberssevensixthreezeroninetwooneeightfourfiveNumbers are widely used. Hello ，86861873 ---TitleNumber songLet’s sing a song ！Let’s count!• 1-10• one two three four five • six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteenLet’s review tenthirtyfortyseventysixtyOne hundredfiftyninetytwentyeightyDragon • 1-1001324Look and Read100 one hundred1,000 one thousand1,000,000 one million1,000,000,000 one billion100 2,000 30,000 400,000 5,000,000 60,000,000 700,000,000 8,000,000,000 90,000,000,000 100,000,000,000 Can you read them ?hundred thousand millionbillionone hundredone thousandten thousandone hundred thousandone millionten millionone hundred million one billionten billionone hundred billion tens/ hundreds/thousands/ millions of 一百 一千 一万 十万 一百万 一千 万 一亿 十亿 一百亿 一千亿数十 / 百 / 千 / 百万看谁译得快：,Step1:one hundred and twenty-three billion,Step2:four hundred and fifty-six million,Step3:seven hundred and eighty-nine thousand,Step4:one hundred and three103789456123,, 625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eightyLook and PracticeLook and Practice 6,302,876 six million, three hundred and two thousand, eighty hundred and seventy-six 45,690,510,810 forty-five billion ,six hundred and ninety million, five hundred and ten thousand ,eight hundred and ten 8391What is the largest / smallest 4-digit number?98311389Let’s do a practice! face to facenumber to number •one ---firsttwo---secondthree---thirdfour---fourth...