海外三年级 数学题

SectionA:(20x2marks)Foreachquestion,fouroptionsaregiven.Oneofthemisthecorrectanswer.Makeyourchoiceandshadethecorrectoval(1,2,3or4)ontheopticalanswersheet(OAS).1. 7680=76x+80Themissingnumberintheboxis_______________.(1) 1(2) 10(3) 100(4) 10002. Theheightofthedoorinahouseisabout_____________.(1) 10m(2) 100cm(3) 200cm(4) 20m 3. Howmanyhundredsarethereinthesumof3400and5600?(1) 9(2) 90(3) 900(4) 90004. MrsLimhad6m80cmofribbon.Sheused190cmofittotieherhair.Whatwasthelengthoftheribbonshehadleft?(1) 330cm(2) 490cm(3) 870cm(4) 5890cm5. 8x=56+8+8(1) 9(2) 8(3) 7(4) 66. Huiyinghas2five-dollarnotes,6one-dollarcoins,9twenty-centcoinsand8five-centcoins.HowmuchmoneydoesHuiyinghave?(1) $13.20(2) $16.89(3) $18.20(4) $26.987. 865is________lessthan7000+860.(1) 8725(2) 8625(3) 7005(4) 69958. Whatisthenumberinthestartbox?(1) 1871(2) 2361(3) 3040(4) 27959. MeiMeiboughtanexercisebookfor55centsandapenfor60cents.Shegavetheshopkeeper$2.00.Howmuchchangedidshereceive?(1) $0.75(2) $0.85(3) $1.15(4) $1.4510. ++ + =240+ = x =360÷ =?Whatisthemissingnumber?(1) 60(2) 20(3) 30(4) 4011. Themassofanorangeis180g.Whatisthetotalmassof6suchoranges?(1) 10kg80g(2) 10kg8g(3) 1kg80g(4) 1kg800g12. Davidis18cmtallerthanRaman.IfDavidis1m46cmtall,howtallisRaman?(1)1m28cm(2)1m38cm(3)1m54cm(4)1m64cm13. Whichobjectwouldbalancethethirdscale?1stscale2ndscale?3rdscale(1) (2) (3) (4) 14. Lisashared360sweetsequallywithher8friends.Howmanysweetsdideachpersonget?(1) 40(2) 45(3) 50(4) 55Studythecostofeachitembelowandanswerquestions15and16.tricycleteddybearbasketballrollerbladesrobot$46$23$24.50$48.90$2015. Saifulhas$70.Whichtwoitemscanhebuy?(1) Tricycleandrobot(2) Rollerbladesandtricycle(3) Rollerbladesandbasketball(4) Tricycleandbasketball16. IfRameshbought2teddybearsandabasketball,howmuchdidhespend?(1) $46(2) $47.50(3) $70.50(4) $9517. MrsLeegaveofacaketoeachchild.Ifshehadbought3cakes,howmanychildrencouldshegivethecakes?(1) 5(2) 8(3) 15(4) 1618. Whatfractionofthefigureisshaded?(1) (2) (3) (4) 19. Whichofthefollowingiscorrect?(1) (2) (3) (4) 20. Awatermelonwascutinto10equalpieces.Aliceate5piecesandherbrotherate3pieces.Whatfractionofthewatermelonwasleft?(1) (2) (3) (4) SectionB:(20x2marks)Workouteachsumcarefullyandshowyourworkinginthespace.Writethecorrectanswerintheboxesprovided.21. Kevinusedthreeten-dollarnotesandfourfive-dollarnotestobuyapairofsportsshoes.Howmuchdidthepairofsportsshoescost?22. Atelevisionsetis$100cheaperthanarefrigerator.Ifthetelevisionsetcosts$899,whatisthetotalcostofthetelevisionsetandtherefrigerator?23. Huilisaves$7aday.Jamessaves$2lessthanHuiliaday.Howmuchdotheysaveinoneweekaltogether?24. Whatisthemissingnumberinthenumberpattern?,,,,25. Ajugcanhold700mℓofwater.Whenitishalffilled,thevolumeofwaterinitis__________mℓ.26. Fourboxesofequallengthareplaced45cmapart.WhatisthedistancebetweenBoxAandBoxD?20cm45cmBoxABoxBBoxCBoxD ?27. Studythediagramcarefully.40g60g60gWhatisthemassofeachcube?28. Abottlecontained2litresofmangojuice.Alvindrank250mℓofthejuice.Howmuchmangojuicewasleftinthebottle?mℓ29. Studythenumberlinecarefully.Ifthemarkingsareequallyspaced,whatisthenumberX?4537X503730. MrsLimhadarollofribbonthatwas9metreslong.Shecut2m35cmforAiLee.Shethencutanotherpiecewhichwas1m80cmtowrapapresent.HowmuchribbonhadMrsLimleft?(Expressyouranswerinmetresandcentimetres)______m_______cm31. 0cm123456789ironnailpencilThepencilis___________longerthantheironnail. cm32. Haniffhad$20lessthanSiewLan.Iftheyhad$140altogether,howmuchmoneydidSiewLanhave? $Studythegraphabovecarefully.ItshowsthetypesoffruitsthepupilsofPrimary3Courteouslike.33. HowmanypupilsarethereinPrimary3Courteousaltogether?34. Howmanymorepupilspreferbananastoguavas?35. Howmanymoresquaresmustbeshadedsothatofthefigureisshaded?36. Whatfractionoftheshapesarestars?(Giveyouranswerinitssimplestform)37. Arrangethefractionsinorder.Beginwiththelargest.,,,38. Sharifaateofapizza.Saifulateofthepizza.Whatfractionofthepizzawasleft?(Expressyouranswerinitssimplestform.)39. Dannyboughtalargechickenpie.Hecutitinto4equalpiecesandgaveonepiecetoSally.Sallycuthershareinto2equalpiecesandateoneofthem.a)WhatfractionofthechickenpiedidSallyget?(1mark)b)WhatfractionofthechickenpiedidSallyeat?(1mark)(Giveyouranswersinthesimplestform)40. Acontainerof41ℓofsoyabeanmilkispouredintosome3-ℓitrebottles.Howmany3-ℓitrebottlesareneededtoholdallthesoyabeanmilk?(litres=ℓ)41ℓ3ℓContainerbottleSectionC:(5x4marks)Solvethefollowingwordproblems.Showworking,numbersentencesandstatementsclearlyforeachquestioninthespaceprovided.41. 288pupilsfromSunshinePrimarySchooltookpartintheNationalDayParade.Therewere8rowsofpupilsandeachpupilwasgiven2flags.a)Howmanypupilswerethereineachrow?b)Howmanyflagsweregivenawaytothepupils?42. Adamhasamassof37kg.BennyistwiceasheavyasAdam.Charlesis11kglighterthanBenny.WhatisCharles’mass?43. Aliceis9cmtallerthanBettyandCathyis10cmshorterthanAlice.Iftheirtotalheightis344cm,howtallisAlice?44. Fatherbought4cansofpaint.Eachcancontained2ℓofpaint.Hepaintedthekitchenwith1ℓ50mℓofpaintandthenhepaintedthelivingroom.Ifhehad1ℓ450mℓofpaintleft,howmuchpaintdidheuseforpaintingthelivingroom?45. IfFandigivesGary$4,hewillhavethesameamountofmoneyasGary.IfGarygivesFandi$4,FandiwillhavetwiceasmuchasGary.HowmuchmoneydoesFandihave?