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A 04

BD 183 364

AUTHOR

TITLE

INSTITUTION

SPONS AGENCY

POD DATENOTEDOCOMMIT TOMONt.

--SE 029 673t

Hoffer; Shirley Ann, Ed.

Ratio, Proportign and Scaling. Mathematics

ResourceProjectsjw.Oregon liniv., tugene.

National Science Toundtrtion, Washington, D.C.

75

494p.3 Not available in paper copy due to margina).legibility of original document

EDRS PRICE

1,11i02 PlusPostage. PC Rot Available from `EDRS.

Elementary Secondary Education: Games; Instructionhl Materials: Mathematical Applications:- *Nathematic:s EducatAon:- Mathematics Xostr-uction: -Nathematics

Materials: Problem Solving% *Ratios (Mathematids,

Resodrce Guides: *Resource Materials;Resource Units;*Teaching Guides: WorksheetsIDENTIFIERS-o.plculators.: *Mathematics Resource Project:lingDE sCRIPTOR S

4., _ABSTRACT,

4.The. Math9matics Resource Prolect has as its goal theproduction of topical resources for teachers, drawn from the vast

leamounts of ava

able material. This experimental editionon Ratio,Proportion, aScalinge-contains a teaching emphasis section,aclassroom matt ials section, and teacher commentaries. The teachtng

.emphasAs sectron 'stresses ideas "which' may help to teach the topic,

.including calculators, appliaations,* problem solving,mehtalarithietier estimation and approxihation:4 and laboratoryapproache6.The teacher commentaries are intended to providenew mathematicalinforpatibn, give a rationale for teachinga topic, suggest altetnate'ways to introduce or develop topics, ang suggest ways 'to involvestudents. TO classroom materials hre ieyed to each other,to theteaching emphasis, and to the commentaries. They incllideworksheets,. transparencY maisters, laboratory cards and activities, games,

teacher-directdd activities, a.nd bulletin board suggestions.. (MK) ' Vs 4 A

*Reproductions supplied by EDES are the best that can be made_**fvot the origin '1 document.************44(*************************************************Ae*****

t 61.
a Ve.31 1.. a

V I OM PARTMEINT OP MEAL Yti

IIOUEATiON

WIELNARS

NATIONAL INSTITUTE! OF

V OUCATION

71-1!5

DOCUMENT HAS SEEN REPRO.

OucEXACTLY AS RECEIVED FRONT

THE PE RitON OR ORGANIZATION ORIGIN-ATING Cr 'POINTS OF VII W OR OPINIONSSTATE 0 00 NOT Nt(ESSARIt Y REPRE%(NTOII.ICIAINATIONAL INSTITtJTFOI

E Out ATION POSITION OR PotYCCU

Cr ,IIIC1111,4111141L ricinuctics

EISCUCE

.IFtJECI- "PERMISSION TO REPRODUCE THIS

MAT ERIAL HAS

UEEN (11-3ANIt()

TO THE EDUCATIONAL

flESOURCES

INFORMATION CENTER (ERIC)"

S. ThN..expeKimental edition is being pubrishodbanddistributed by the Mathematics Resourcq Project.

Permission to reproduce any

part of this resoUrce must be obtained in writing from the project- director.!lease address all inquiries eo 154 Prince Lucien Campbell, University of Oregon, Eugene, Oregon 97403. The Mathecatics,Resource Project developed these materials a graft fromIthe Nationpl Science Foundation. under

OD 1975 University of Oregon

Oregon'State System of Higher Education.

AllSright

reserve4.Y

DIRECTOR:

II I%km a a:it w.

MATHEMATICS EDUCA.TION COMPONENT:

CLASSROOM MATERIALS:

NUMBER SENSE AND ARITRMETIC-SKILLS

RATIO, PROPORTION AND SCALING

GRADUATE,ASISTANT:

SPECIAL WRITING,ASSI9NMENTS:

EVNLUATION AND FIELD TESTING:

PRODUCTION AND EDITING:

GRAPHIC ARTISTS:

PRODUCTI6N

TYPIST:

PRO4ECT

TYPIST:.

PROOFREADERS:

PASTE UP:

4Aims. MINN 16

Alan R. Hoffer

Jill Hermanson

Ted Nelson

Larry Sowdeevs

Margaret Sedgwick (Elementary School)

Patricia Tuel (Junior High School)

James Young (Senior High School)

Richard Brannan (JuniorTigh Sehool).,

Sue Ann McGraw (Senior High School)

'Janet J. Brougher

Albert Bennett

Gary L. Musser

Shirley Ann Hoffer

Percy L. Fr

Jon Sedgwick

Karen Irwin

RObert C. Rice

Michael Boehnke

Erin Hofeer

Gail Ryan

Sue Widder'

ii" f *'4401.4 ter Participants at the Advisory t.7onference held_ on June 9-12., 1974.at the EUgene

1 Rotel, Rugene, Onwion:KAREN BILLINGS (Eugene School Distrirt 4.1), LOD BRAUN (State

UniversSty of New *York, StonyBrook), JANET BROUGHER -(Oniversity of,Oregon),AQBERt DAVIS (University f Illinois),-BENJAMIN DUDLEY (Philade)phia SchOol Distric0, WILLIAM FITZGERALD (Michigan State UnIversity), JANE.DONNELLY GAWRONSKI (San Diego ;City Schools), JAY GREENWOOD (Multnomah Coun4. IED), JOHN HAAS (University ofw Colorado), ALICE/HART '(University of Illinois at Chicago Circle), LARRY HATFIELD (University of Gkorgia), JILL HERMANSON (OniVersity of, Oregon),.ALAN HOFFER (University'of Oregon), SHIRLEY ANN HOFFER (Utliversity Of Oregon), JUDY JOHNSON (Eugene School Distiict 4J), AS JOHNSON (Seattle Publie-Sohools),-EUGENE MAIER -: (University of Oregon), SCOTT WADDEN (EUgene School District 4J), SUE McCRAF '(LaGrande School Districf), MARY ON7GOMERY (qniversity Of Wiscopsin), GARY MUSSER (Oregon State University), TED NELSON (University of Oregon), 4LAN OSBORNE (Ohio State University), OSCAR $CHAAF (Eugene Schapl District 4J), FRED SCHIPPERT (Detroit School District), AEBERT SHULTE-(Oakland County Mathematics-Project), ROSS TAYLOR (Minneapolis,Publfc Schools), HEYWARD THOMAS (Atlanta Public'Schools),-MAYNARD THOMPSON (Indiana University), PAT TUEL (San Fiancisco,Unified School District), IRVIN VANCE (Education Development Center), WAYNE WICKELGREN (University of Oregon), WILLIE WILLIAMS (Florida International University), JIM YOUNG (14the1tiSchool District 52). Participants at the Pidpcties :5eminar held September 8-12, 1975 at the Mathematicg Resource Center, Yriversity of Oregpn, Eugene, Oregbn:

TOM CARPENTER (UniversiAT of.

Wisconsin), LARRY HATFIELD (University of Gebrgia), RICHARD LESH (Northwestern University), ROBERT REYS TUniVersity'of Missouri), RIQUARD SHUMWAY (Ohio-State University..), and HAROLD TRIMBLE (Ohio State pni.versity).

Consultant for Evaiwtion:

ALAN OSBORNE (Ohto State Uhiveisity).

STEVEN BROWN

LARRY HATFIELD

WES JOHNSONii

ROBERT KARPLUS

EUGgNE MAIER0

.ADVISORY BOARD (State University of New York, Buffalo), (University of orgia) (SeattletPublic Schools) Oft. cOniv'ersity of rifornia, Berkeley)" (Oregon Mathematics Education Council) iii 6

YES, A Y

I KNOW YOU

PUSHED EAR.IY--

111.1..1R`f TO

HAVE SOME

ACT MTY

CARDS

FOQ YOU

TOMORQOWYOUQ HOMEWORK

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1N, ANN. THAIS

WHY YOU INUITGET IT MO

TOM, YOU _CAW

GO OVER THAT

WITH ME AFTER

ISCHOOL.

YOU SHOULD. KEEP THE

GOOD PAI2TStOr "THE

%Oa AKIDNEW" MATH,

USE. T9E. LAB APPROACti,

TEACI-{ PRO6LEM

SOLVING _AND

.."--ipouw,YE.ARS -co '-.MATUCIAATICS MCATOR

GE.T YOUR

.NOALARY .-IAVE YOU WRITTEN

INCRE,..ASE*

4DUR OBjECTIVES

wmeiRENIDEAT

FOR THIS LESSOW?"

*mak._\eou

HAVE TO

TAKE 6 CREDIT

HOURS OP.

COURSE 'WORK

EVE.R\I

PRIMCAPAL

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TO& IT rmPORT

coRVIE TO

SUCCE.EDrMT

-STUMMWHY

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JOHKINY PASS

.THE XXX TEST

FOR MINIMUM

COMPETERCY?

PARINTThe demands on teachers are heavy.

The fifth or sixth grade teacher with-

25 to 30 students in often responsible

for covering many subjects besides mathematics.

The seventh or eighth grade.

teacher may be teaching only mathematics but be working-with 125 to 150 students each day.

Within this assignment the

teachdr.aust find time for corredtingquotesdbs_dbs47.pdfusesText_47

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