七年级英语上册 unit4 The world of numbers Listening and Speaking课件 牛津深圳版.ppt

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1、Howmanycandiesarethereinmybox?1Chapter4TheworldofnumbersListeningandSpeaking2Theoilcostsninety-eightpointeightyuan.Wherecanweseenumbersineverydaylife?98.8point3Yourtemperatureisthirty-sevencentigrade(摄氏)degree（度）.37℃centigradedegree4Myhomenumberistwofivesixonesixeightnineseven

2、.256168975It’sninepasttennow.650%Thediscount(折扣)isfiftypercent.ahalf7WordCompetition单词竞猜even百分数degree分数odd小数的度数percentage奇数的偶数的decimalfraction8Whichoneoftheseis...?1.702.60°3.4.0.75.6.anevennumberapercentageanumbershowingdegreeanoddnumberadecimalnumberafraction9ANowtryaquizabo

3、utnumbers.Listenanddrawacircleroundtherightanswer.A.80B.49C.17A.2.66B.26%C.2/6A.＄75B.75%C.75°A.1/8B.0.75C.33A.56B.65C.66A.90°B.90%C.1/9A.25653881B.25662881C.25652881A.1.8%B.80%C.18%A.$5,000B.$50,000C.$15,000A.30.5°B.13.5°C.35°10Couldyouhelphim?OneofMr.Li’sfriendsinShanghaiwill

4、haveabirthdayparty.Mr.Liwantstobuyapresentandgoestomeethimbyplane.Buthecomesacross(遇到)fourmathematicaldifficulties（数学难题）onthewaytohisfriends’house.Calculations11IntheShoppingMallMr.Liwantstobuyabookandapen.Thebookcosts58yuan,andthepencosts30yuan.Hegivestheseller100yuan.Whatist

5、hechange(找零)?A.100-(58+30)=12B.100+58+30=188C.100-58+30=72Formulas(算式):12GoingtotheairportTheflight（航班）forshanghaiwillleavein30minutes,andit’s7:58(twotoeight)now.Whenwilltheplaneleave?A.7:58-30’=7:28B.7:58+30’=8:28C.7:58+30’=7:88Formulas(算式):13OntheplaneThereisagirlsittingnext

6、toMr.Liontheplane.Mr.Liis178cmtall.AndthegirltellsMr.Lithatheis40cmtallerthanher.Thenhowtallisthegirl?A.178+40=218B.178-40=138Formulas(算式):14Infriend’shouseThereare12piecesofcakesinMr.Li’shouse.Theyshouldbedividedamong2kids（小孩）and4otherpeople.Thenhowmanypiecesofcakeseachperson

7、canget?12÷2+4=10B.12×(2+4)=2C.12÷(2+4)=2Formulas(算式):15Blistentotheconversations(对话)andwritedowntheformulas(算式)andanswersbelowthepictures.1.2.3.4.5.6.0.5×3+2=3.56:58+30’=7:28163+12=17512÷4=38×4=3250-23=27Gotoppt23161.0.5×3+2=3.51GIRLI’dliketobuythreepencilsandoneballpointpen（

8、圆珠笔）.Howmucharethey?WOMAN0.5yuanforonepenciland2yuanforoneb