美国加州教材 California Mathematics G6 2008.pdf

interactivestudenteditionAuthorsDay Frey Howard HutchensLuchin McClain Molix-BaileyOtt Pelfrey PriceVielhaber Willard000i-xxviii FM-877848.indd i000i-xxviii FM-877848.indd i11/16/06 3:31:04 PM11/16/06 3:31:04 PMCopyright 2008 by The McGraw-Hill Companies,Inc.All rights reserved.Except as permitted under the United States Copyright Act,no part of this publication may be reproduced or distributed in any form or by any means,or stored in a database or retrieval system,without prior permission of the publisher.Send all inquiries to:Glencoe/McGraw-Hill8787 Orion PlaceColumbus,OH 43240-4027ISBN:978-0-07-877848-3 MHID:0-07-877848-4Printed in the United States of America.1 2 3 4 5 6 7 8 9 10 043/027 16 15 14 13 12 11 10 09 08 07About the CoverIn 1880,the first San Diego County Fair was organized to bring area farmers together to share ideas and hold competitions.Since then the fair has been held almost every year and its permanent home in Del Mar was opened in 1936.The fair is now one of the largest in the United States with an average daily attendance over 54,000 people.Youll learn how to compute averages and find other statistical measurements in Chapter 9.About the GraphicsCreated with Mathematica.A rectangular array of circles is progressively enlarged and rotated randomly.For more information,and for programs to construct such graphics,AuthorsDay Frey Howard HutchensLuchin McClain Molix-BaileyOtt Pelfrey PriceVielhaber Willard000i-xxviii FM-877848.inddi000i-xxviii FM-877848.indd i11/16/063:31:04 PM000i-xxviii FM-877848.indd ii000i-xxviii FM-877848.indd ii11/16/06 5:30:08 PM11/16/06 5:30:08 PMStart Smart:Be a Better Problem SolverUnit 1 Algebra and Functions1 Introduction to Algebra and Functions2 Integers3 Algebra:Linear Equations and FunctionsUnit 2 Number Sense:Fractions4 Fractions,Decimals,and Percents5 Applying FractionsUnit 3 Algebra and Number Sense:Proportions and Percents6 Ratios and Proportions7 Applying PercentsUnit 4 Statistics,Data Analysis,and Probability8 Statistics:Analyzing Data9 ProbabilityUnit 5 Geometry and Measurement10 Geometry:Polygons11 Measurement:Two-and Three-Dimensional Figures Standards Review12 Looking Ahead to Grade 7:Geometry and Measurement iiiContributing AuthorViken Hovsepian Professor of MathematicsRio Hondo CollegeWhittier,CaliforniaAuthorsRhonda J.Molix-Bailey Mathematics Consultant Mathematics by Design DeSoto,TexasRoger Day,Ph.D.Mathematics Department Chair Pontiac Township High SchoolPontiac,IllinoisPatricia Frey,Ed.D.Math Coordinator at Westminster Community Charter SchoolBuffalo,New YorkArthur C.Howard Mathematics TeacherHouston Christian High School Houston,TexasDeborah A.Hutchens,Ed.D.Principal Chesapeake,VirginiaBeatrice Luchin Mathematics Consultant League City,Texasiv Meet the Authors at Aaron Haupt Contributing AuthorDinah Zike Educational Consultant Dinah-Might Activities,Inc.San Antonio,TexasKay McClain,Ed.D.Assistant Professor Vanderbilt UniversityNashville,TennesseeJack M.Ott,Ph.D.Distinguished Professor of Secondary Education Emeritus University of South Carolina Columbia,South CarolinaRonald Pelfrey,Ed.D.Mathematics SpecialistAppalachian Rural Systemic Initiative and Mathematics ConsultantLexington,KentuckyJack Price,Ed.D.Professor Emeritus California State Polytechnic University Pomona,CaliforniaKathleen Vielhaber Mathematics ConsultantSt.Louis,MissouriTeri Willard,Ed.D.Assistant Professor Department of MathematicsCentral Washington University Ellensburg,Washington vAaron Haupt California Mathematics Advisory BoardCarol CronkMathematics Program SpecialistSan Bernardino City Unified School DistrictSan Bernardino,CaliforniaDavid J.ChamberlainSecondary Mathematics Resource TeacherCapistrano Unified School DistrictSan Juan Capistrano,CaliforniaCheryl L.AvalosMathematics ConsultantRetired TeacherHacienda Heights,CaliforniaIlene FosterTeacher Specialist MathematicsPomona Unified School DistrictPomona,CaliforniaEppie ChungK-6 TeacherModesto City SchoolsModesto,CaliforniaWilliam M.BokeschRancho Bernardo High SchoolSan Diego,CaliforniaPatty BrownTeacherJohn Muir ElementaryFresno,CaliforniaLisa Marie CirrincioneMiddle School TeacherLincoln Middle SchoolOceanside,CaliforniaGrant A.Fraser,Ph.D.Professor of MathematicsCalifornia State University,Los AngelesLos Angeles,CaliforniaGlencoe wishes to thank the following professionals for their invaluable feedback during the development of the program.They reviewed the table of contents,the prototype of the Teacher Wraparound Edition,and the California Standards Review chapter.vi Suzanne Bocskai FreireTeacherKingswood ElementaryCitrus Heights,CaliforniaArthur K.Wayman,Ph.D.Professor EmeritusCalifornia State University,Long BeachLong Beach,CaliforniaBeverly WellsFirst Grade TeacherMineral King Elementary SchoolVisalia,CaliforniaFrances Basich WhitneyProject Director,Mathematics K-12Santa Cruz County Office of EducationCapitola,CaliforniaJohn McGuireAssociate PrincipalPacific Union SchoolArcata,CaliforniaBeth HolguinTeacherGra