AuthorsAltieri•Balka•Day•Gonsalves•Grace•KrulikMalloy•Molix-Bailey•Moseley•Mowry•MyrenPrice•Reynosa•SantaCruz•Silbey•VielhaberCopyright©2007byTheMcGraw-HillCompanies,Inc.Allrightsreserved.ExceptaspermittedundertheUnitedStatesCopyrightAct,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutpriorpermissionofthepublisher.Sendallinquiriesto:Glencoe/McGraw-Hill8787OrionPlaceColumbus,OH43240-4027ISBN-13:978-0-02-105657-6ISBN-10:0-02-105657-9PrintedintheUnitedStatesofAmerica.12345678910055/02715141312111009080706AbouttheCoverLocatedinthePineyWoodsregionofTexas,TylerisknownastheRoseCapitalofAmerica.Itisalsohometoapopular85-foot,6-lane,woodenslotcartrack.Thetrackisdesignedfor1:32and1:24scalecars.YouwilllearnmoreaboutratiosinChapter6.AbouttheGraphicsColoredTruchetbands.CreatedwithMathematica.Arandom2DTruchetimageisconstructed.Theconnectedarcsoftheimageareidentifiedandrandomlycoloredinaband-likemanner.Formoreinformation,andforprogramstoconstructsuchgraphics,see:www.wolfram.com/r/textbook.iiiStartSmartChapter1PlaceValueandNumberSenseChapter2AdditionChapter3SubtractionChapter4MultiplicationConceptsandFactsChapter5MoreMultiplicationFactsChapter6DivisionConceptsandFactsChapter7MoreDivisionFactsChapter8Measurement:CustomarySystemChapter9Measurement:MetricSystemChapter10MeasurementandGeometryChapter11Statistics:Data,Graphs,andProbabilityChapter12FractionsChapter13FractionsandDecimalsChapter14MultiplybyOne-DigitNumbersChapter15DividebyOne-DigitNumbersStandardsReviewLookingAheadtoGrade4ivAuthorsMeettheAuthorsatca.gr3math.comMaryBehrAltieriPutnam/NorthernWestchesterBOCESYorktownHeights,NewYorkDonS.BalkaProfessorEmeritusSaintMary’sCollegeNotreDame,IndianaRogerDay,Ph.D.MathematicsDepartmentChairPontiacTownshipHighSchoolPontiac,IllinoisPhilipD.GonsalvesMathematicsCoordinatorAlamedaCountyOfficeofEducationandCaliforniaStateUniversityEastBayHayward,CaliforniaEllenC.GraceConsultantAlbuquerque,NewMexicoStephenKr...