binarios
DESCRIPTION
juegos programacionTRANSCRIPT
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BinaryBraceletsLessontime:15MinutesBasiclessontimeincludesactivityonly.IntroductoryandWrap-Upsuggestionscanbeusedtodelvedeeperwhentimeallows.
LESSONOVERVIEWBinaryisextremelyimportanttothecomputerworld.Themajorityofcomputerstodaystoreallsortsofinformationinbinaryform.Thislessonhelpstodemonstratehowitispossibletotakesomethingthatweknowandtranslateitintoaseriesofonsandoffs.
TEACHINGSUMMARY
GettingStarted-15minutes1)Review2)Vocabulary3)OffandOn
Activity:BinaryBracelets-15minutes4)BinaryBracelets
Wrap-up-5minutes5)FlashChat-Whatdidwelearn?
Assessment-10minutes6)BinaryAssessments
LESSONOBJECTIVESStudentswill:
EncodelettersintobinaryDecodebinarybacktolettersRelatetheideaofstoringinitialsonabracelettotheideaofstoringinformationinacomputer
TEACHINGGUIDEMATERIALS,RESOURCESANDPREPFortheStudent
BinaryBraceletWorksheetBinaryAssessmentPensandPencilsScissors
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FortheTeacherLessonVideoThisTeacherLessonGuideBinaryBraceletWorksheetBinaryAssessmentComputerforopeningorimagesofanopencomputerOptional:Writeashortmessageontheboardinbinary
GETTINGSTARTED(15MIN)1)ReviewThisisagreattimetoreviewthelastlessonthatyouwentthroughwithyourclass.Wesuggestyoualternatebetweenaskingquestionsofthewholeclassandhavingstudentstalkabouttheiranswersinsmallgroups.Herearesomequestionsthatyoucanaskinreview:
Whatdidwedolasttime?Whatdoyouwishwehadhadachancetodo?Didyouthinkofanyquestionsafterthelessonthatyouwanttoask?Whatwasyourfavoritepartofthelastlesson?
2)VocabularyThislessonhasonenewandimportantword:
Binary-Sayitwithme:Bi-nare-eeAwayofrepresentinginformationusingonlytwooptions3)OffandOn
Ifyou'vewrittenashortmessageontheboardinbinary,callthestudents'attentiontoitandaskifanyoneknowswhatitisorwhatitmeans.
LESSONTIP Finishingthereviewbyaskingaboutthestudents'favoritethingshelpstoleaveapositiveimpressionofthepreviousexercise,increasingexcitementfortheactivitythatyouareabouttointroduce.
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Putthemessageasideandmoveontopreppingfortheactivity.Youcanstartbyaskingtheclassiftheyhaveeverseeninsideacomputer.
What'sinthere?Thisisagoodplacetoactuallyshowthemtheinsideofacomputer(orpicturesoftheinsideofacomputer).
Wirescarryinformationthroughthemachineintheformofelectricity.Thetwooptionsthatacomputeruseswithrespecttothiselectricalinformationare"off"and"on."
Whencomputersrepresentinformationusingonlytwooptions,it'scalled"Binary."Thatthemeoftwooptionsdoesn'tstopwhentheinformationgetstoitsdestination.
Computersalsostoreinformationusingbinary.Binaryisn'talwaysoffandon.
HardDiskDrivesstoreinformationusingmagneticpositiveandmagneticnegative.DVDsstoreinformationaseitherreflectiveornon-reflective.
Howdoyousupposewecanconvertthethingswestoreinacomputerintobinary?Let'sstartwithletters.UsetheBinaryDecoderKeytoshowhowacomputermightrepresentcapitalletters.
Thisisagoodtimetomentionthateachspotwhereyouhaveabinaryoptioniscalleda"binarydigit"or"bit"forshort.Askifanyoneknowswhatagroupingofeightbitsiscalled(it'sabyte.)Funfact:Agroupingoffourbitsiscalledanibble.
Gooverafewexamplesofconvertinglettersintobinary,thenback.Afterward,writeanencodedletterandgivetheclassafewsecondstofigureoutwhatitis.Whentheclasscanfigureoutyourencodedlettersontheirown,youcanmoveontotheactivity.
ACTIVITY:(20MIN)4)BinaryBraceletWorksheet
Directions:1. FindthefirstletterofyourfirstnameintheBinaryDecoderKey.2. Fillinthesquaresoftheprovidedbracelettomatchthepatternofthesquaresnexttotheletter
thatyouselected.3. Cutthebraceletout.4. Tapethebraceletaroundyourwristtowearit!5. Shareyourbraceletwithyourclassmatestoseeiftheycanfigureoutyourletter.
LESSONTIP Youknowyourclassroombest.Astheteacher,decideifstudentsshoulddothisindividuallyorifstudentsshouldworkinpairsorsmallgroups.Youdonotneedtocoverthewholeofbinary,includingcountingandconvertingnumbersbackandforthfromdecimal.Thislessonisintendedtobeafunintroductiontohowcomputersstoreinformation,notafrustratinglessoninbases.
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Aftertheactivity,revisitthemessagethatwasontheboardandseeifyourclasscandecypheritusingwhatthey'velearned.
WRAP-UP(5MIN)5)FlashChat:Whatdidwelearn?
Whatelsedoyouthinkisrepresentedasbinaryinsideofacomputer?Howelsemightyourepresentbinaryinsteadofboxesthatarefilledornotfilled?Whatwasyourfavoritepartaboutthatactivity?
ASSESSMENT(15MIN)7)BinaryAssessment
Handouttheassessmentworksheetandallowstudentstocompletetheactivityindependentlyaftertheinstructionshavebeenwellexplained.Thisshouldfeelfamiliar,thankstothepreviousactivities.
EXTENDEDLEARNINGUsetheseactivitiestoenhancestudentlearning.Theycanbeusedasoutsideofclassactivitiesorotherenrichment.BinaryImages
Thereareseveralgreatresourcesonthewebfortakingthisactivitytothenextlevel.Ifyourstudentsareinterestedinhowimages(orevenmusic)canberepresentedasbinary,youcanfindmore
LESSONTIP Ifyourclasshasextrabudgetformaterials,trydoingthisexerciseusingthread(orpipecleaners)andbeadstocreatethebinarybraceletsinsteadofpenandpaper.Youcanprovideanycombinationoftwocolorsinbeadstothestudents,butblackandwhitetendtobeeasiest,giventhewaythatthekeyisdone.
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detailsinThinkersmith'sBinaryBaubles.