八年级英语上册 Module 1 Amazing things Unit 2 Numbers Grammar 牛津深圳版

Grammar(1)Cardinalandordinalnumbers基数词和序数词(2)Instructionsaboutnumbers数字的简单运算编辑pptWhatiscardinalnumbers?基数词cardinalnumbers是表示目的的词，简单来说我们用基数词来数数，表示单位个数，数目；基数词有1,2,3,4…onetwothreefour…编辑ppt在基数词中，表示几百，几千等时，英文中的“百，千，百万”等后不加s。如:300写成“threehundred”而不是“threehundreds”E.g.About______filmswereshownduringthe15thShanghaiInternationalFilmFestival.A.twohundredofB.twohundredsofC.twohundredD.twohundreds.编辑pptReadthenumbersandfindrules编辑ppt编辑pptthousandmillionand编辑ppt数字读法：英语数字中读法是三位一分，只有百，千，百万，十亿，万亿，而且在写较大的数字时，一般在百位和十位中间加“and”.如34,567读成“thirty-fourthousand,fivehundredandsixty-seven”编辑pptBookBP19Exercise编辑pptWhatisordinalnumbers?序数词ordinalnumbers简单来说是用来表示顺序，有“第几”之意，如:第一;第二；第三…thefirst;thesecond;thethird…序数词的构成一般是在基数词的后面加上“th”,但也有例外的，如first,secondandthird.编辑ppt--th编辑pptfirst2thirdfourthtwelfthtwenty-third

twenty-eighth19编辑ppt1.―Howlongistheriver?―It’s________meters. A.aboutthreehundredandseventeen B.abouttwohundredsandforty-five C.morethantwohundreds D.less

than

three

hundreds

and

seventy2.―Canyouwritethenumbereight-fourthousand,sixhundredandtwenty-six?―Yes,itis__________.A.84662B.84626 C.48662D.48626编辑ppt3. －Howmanystudentsarethereinyourschool? －Thereare__________. A.thesixhundredandsixty-five B.sixhundredsixty-five C.sixhundredsandsixty-five D.sixhundredandsixty-five4. HanMeimeiis________toarriveatschooltoday.Noonearrivedearlierthanher. A.theone B.thefirst C.firstone D.1st编辑ppt“加减乘除”的表达：加：add;plus减：subtract;minus乘：multiply除：divide(其中plus,minus为介词，其余为动词，及物动词)编辑pptLanguagepoints1.Multiply7by8“7乘以8”,其中multiply是及物动词2.“7multipliedby8is56”中，is是谓语动词；multiplied在这里是过去分词表被动编辑pptTips1.我们把数看成一个整体，所以在进行数字运算得出结果时，谓语动词用单数is/equals（等于）2.下列选项能正确表达“11+1=12”A:“11add1is12.”B：“11plus1equals12.”因为add和is都是动词；plus是介词编辑ppt

ubtractfrom13inus5813-5=8ultiplyby7ultiplied8567×8=56

ivideby16ivided4416÷4=4

ddand9lus6159+6=15

ddivide

14lus4ivide2

9

(14+4)÷2=9编辑pptCorrectthemistakes1. 2add5is7.______________________________________.2. 7subtract3is4.______________________________________.3. 25divideby5equal5.______________________________________.4. Multiply3by9equal27.______________________________________.2plus5is77minus3is4.25dividedby5equals5.3multipliedby9equals.编辑ppt1. －_______7by8. －7______by8equals56. A.Multiply;multiplied B.Multiply;multiplyC.Multiplied;multiplyD.Multiplied;multiplied2. About______filmswereshownduringthe15thShanghaiInternationalFilmFestival.A.twohundredofB.twohundredsofC.twohundredD.twohundreds.编辑ppt3. －Myfather’s__________birthdayiscoming. －Sowewillput42candlesonthecake. A.42 B.the42th C.thefourty-second D.fourty-second4. －Add23and5. －23______5______28. A.adds