英语Chapter4NumbersLanguage（沈阳牛津八年级上）-课件

8A

Chapter4Numbers

LANGUAGEHokeyPokey“变戏法”1234Comein,please.Ben,don’tbelateforschool.Lookattheclock.Ben,closethedoor.Bequiet.用动词原形开头。Closethewindow.Closethewindow,please.Pleaseclosethewindow.礼貌化加please，please通常放在句首或句尾。Pleasedon’tparkhere.Don’tparkhere,please.()礼貌化加please，否定句please通常放在句首。Pleasedon’twalkonthegrass.否定句在动词原形前加donot或don’tLiLei,payattention.OrPayattention,LiLei私人化将人名放在句首或句尾。Givingordersorinstructions1.Dosth.Dosth,please.=Pleasedosth.2.Don’tdosth.Pleasedon’tdosth.3.Cathy,pleasedosth.Cathy,pleasedon’tdosth.GroupAvsGroupBTogiveasmanyordersorinstructions

asyoucan.（尽可能多的发布命令或指令。）Addthree.andone1+3Oneplusthreeequalsfour.1+3=4

two.fromSubtractone2－1Twominusoneequalsone.2－1=1four.bythreeMultiply3×4Threemultiplied

byfourequalstwelve.3×4=122×6Multiplytwobysix.Twomultiplied

bysixequalstwelve.2×6=124×5Multiplyfourbyfive.Fourmultiplied

byfiveequalstwenty.4×5=20nineDividebythree.9÷3Ninedividedbythreeequalsthree.9÷3=3Dividefourbytwo.4÷2Fourdividedbytwoequalstwo.4÷2=2Dividetwelvebyfour.12÷4Twelvedividedbyfourequalsthree.12÷4=3Instructionsandstatementsaboutnumbers1.A+BA×B=CMultiplyAbyB.3.A×BSubtractBfromA.2.A－BA－B=C

AplusBequalsC.A+B=CAddAandB.4.A÷BAmultipliedbyBequalsC.A÷B=CDivideAbyB.

AdividedbyBequalsC.AminusBequalsC.9qualslus615ubtractfromultiplybybyivideddandddivideubtractultiply13inus58quals7ultiplied8quals5616ivided4quals49qualslus61514qualslus492ivided19quals9303inusultiplied1②③①④⑥⑤Let’shaveacompetition.Next17+14Add7and14.

7+14=7plus14equals/is

21.

21返回4×134×13=Multiply4by13.4multipliedby13equals/is52.52返回15-315–3=

Subtract3from15.15minus3equals/is

12.12返回(20-4)÷2(20-4)÷2=Subtract4from20anddividetheanswerby2.20minus4dividedby2equals/is8.8返回18÷318÷3=Divide18by3.18dividedby3equals/is6.6返回(9+4)×3(9+4)×3=Add9and4andmultiplytheanswerby3.9plus4multipliedby3equals/is39.39返回abcⅰⅱⅲApuzzleFollowtheinstructionsbelow.Putthenumber2inSquareai.2.Putthenumber4inSquareaiii.3.Putthenumber5inSquarebii.4.Putthenumber8inSquareciii.5.Put1,3,6,7,and9inthesquaresothatwhenyouaddanyofthe3numbersfromtoptobottom,fromlefttoright,orfromcornertocorner,theanswerisalways15.SUMUPGivingordersandinstructionsInstructionsandstatementaboutnumbersHomework1.Collecttheorderso