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ID:40711391
大小:1.21 MB
页数:23页
时间:2019-08-06
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1、33LESSON3:COMPUTATIONALTHINKINGLESSONNAME:ComputationalThinkingLessontime:45–60Minutes:Preptime:10MinutesMainGoal:Introducethe“ComputationalThinking”modelasawayofpreparingreal-worldproblemsfordigitalrepresentation.OVERVIEW:•UseteamworktosolvecomplexproblemsWithnothingbutpaperandmarkers,stu-dentswil
2、llearnthefourstepsofcomputa-MATERIALS:tionalthinking.Afterabriefintroduction,•MonsterCatalog(1pergroup)studentsshouldbesplitintogroupswhere•Blankpiecesofpaper(3perperson)theywillhavetocreatedirectionsforother•Markers,pens,orpencils(1packpergroup)studentstodrawaspecificmonster(froma•Scissorscatalogo
3、fpre-selectedmonsters).Theentiretaskmustbedecomposed,thenteamswillPREPARATION:analyzeallmonstersinthecatalogforpat-Printmonsterimagesforeachgroup.terns,abstractsimilardetailsfromthemon-Monsterfacesshouldbeontraditionalsters,thenusethatinformationtocreateanpaper,whilemonster“parts”areprintedalgorith
4、m(directions)foranotherteamtoontransparencies(Orstudentscantracedrawacertainmonster.monsterpartsontracingpaper.Ormon-sterpartscanbeprintedontraditionalTeamswillthenswitchalgorithmswithpaperandthencutout.).anothergroupanddrawthemonsterbasedGathermonsterimages,scissors&markersonwhatthatalgorithmindic
5、ates.Istheforeachgroup.drawingwhattheoriginalteamintended?Writevocabularywordsontheboardorprojectthemwithdocumentcamera.OBJECTIVE:Studentswill—•Learnthefourstepsofcomputationalthinking13LESSON3:COMPUTATIONALTHINKINGVOCABULARY:Decompose—TobreakahardproblemupComputationalThinking—Amethodofintosmaller
6、,easieronesproblem-solvingthathelpscomputerscien-Pattern—AthemethatisrepeatedmanytistsprepareproblemsfordigitalsolutionstimesAbstraction—Removingdetailsfromasolu-Program—Instructionsthatcanbeunder-tionsothatitcanworkformanyproblemsstoodandfollowedbyamachineAlgorithm—Alistofstepsthatallowyoutocomple
7、teataskComputationalthinkinghelpsmakelightworkofdifficultproblems.23LESSON3:COMPUTATIONALTHINKINGREVIEW:Thisreviewsegmentisintendedtogettheclassthinkingbacktothelastlesson.Ifyouarecoveringtheseactivitiesout
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