Fractions And Decimals Made Easy

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1、FractionsFractionsandandDecimalsDecimalsMadeEasyMMadeadeEEasyasyRebeccaWingard-NelsonIllustratedbyTomLaBaffThispageintentionallyleftblankFractionsandDecimalsMadeEasyRebeccaWingard-NelsonEnslowElementary,animprintofEnslowPublishers,Inc.EnslowElementary®isaregisteredtrademarkofEnslowP

2、ublishers,Inc.Copyright©2005byEnslowPublishers,Inc.Allrightsreserved.Nopartofthisbookmaybereproducedbyanymeanswithoutthewrittenpermissionofthepublisher.LibraryofCongressCataloging-in-PublicationDataWingard-Nelson,Rebecca.Fractionsanddecimalsmadeeasy/RebeccaWingard-Nelson.p.cm.—(Maki

3、ngmatheasy)Includesindex.ISBN0-7660-2513-6(hardcover)1.Fractions—Juvenileliterature.2.Decimalfractions—Juvenileliterature.I.Title.II.Series.QA117.W562005513.2'6-dc222005012670PrintedintheUnitedStatesofAmerica10987654321ToOurReaders:WehavedoneourbesttomakesureallInternetAddressesinth

4、isbookwereactiveandappropriatewhenwewenttopress.However,theauthorandthepublisherhavenocontroloverandassumenoliabilityforthematerialavailableonthoseInternetsitesoronotherWebsitestheymaylinkto.Anycommentsorsuggestionscanbesentbye-mailtocomments@enslow.comortotheaddressonthebackcover.I

5、llustrations:TomLaBaffCoverillustration:TomLaBaffContentsIntroduction4WhatIsaFraction?6FractionTerms8ProperFractions10ImproperFractions12MixedNumbers14ComparingFractions16ComparingMixedNumbers18EquivalentFractions20EstimatingFractions22FractionsinMeasurement24AddingFractions26Subtra

6、ctingFractions28WhatIsaDecimal?30DecimalsandFractions32EquivalentDecimals34ComparingDecimals36RoundingDecimals38EstimatingDecimals40AddingDecimals42SubtractingDecimals44FurtherReading46InternetAddresses47Index48IntroductionMathisallaround,andanimportantpartofanyone’slife.Youusemathw

7、henyouareplayinggames,cookingfood,spendingmoney,tellingtime,readingmusic,ordoinganyotheractivitythatusesnumbers.Evenfindingatelevisionchannelusesmath!4FractionsandDecimalsAreEverywhereYouusefractionseveryday.Everytimeyouusethewordhalf,youaretalkingaboutafraction!Measurementsoftenuse

8、fractions.Forexampl