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WeScreamforIceCream

Topic:ProbabilityandStatistics:DataCollectionandDisplay

Kindergarten:VirginiaSOLK.14ExpectedHeuristics:Organizedcounting,guessandcheck,makeasystematiclist

TheProblem:

StudentsinMr.Maxsclassareplanningandicecreamparty.Eachstudentvotedfor

theirfavoriteflavor,andthestudentsmadethischartoftheresults:

HowmanystudentsareinMr.Maxsclass?

Iftheclasscanonlybuytwodifferenticecreamflavorsfortheparty,whichtwo

shouldtheybuy?

Howmanystudentswillnotgettheirfavoriteflavor?Answer

Thereare24studentsinMr.Maxsclass

TheyshouldbuyVanillaandOrangeSherbet.

9studentswillnotgettheirfavoriteflavor.

PossibleSolution:

Thestudentrecognizesthateachicecreamconerepresentsonestudentandcounts

theicecreamconestoget24.

Thestudentlooksforthetwoflavorsthathavethemosticecreamcones,reasoning

thattheflavorswiththemostvotesaretheflavorsthatwouldmakethemostpeopleintheclasshappy.Thestudentdecidesthatbecausevanillaandsherbethavethe

highestnumberofvotes,thesearetheflavorstheclassshouldorder

Thestudentrecognizesthatiftheclassordersvanillaandsherbet,thestudentswho

likechocolateandstrawberrywouldnotgettheirfavoriteflavor.Assuch,thestudentcountsthechocolateandstrawberrycones,anddeterminesthatthe6

peoplewholikechocolatemostandthe3peoplewholikestrawberrybestwillnot

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gettheirfavoriteflavor.Because6+3=9,9peopletotalwillnotgettheirfavorite

flavor.

BalancedAssessment. WeScreamforIceCream.Retrieved4November,2011fromhttp://balancedassessment.concord.org/docs/p006.pdf

Planforpresentingtheproblem:

Verballyexplaintheproblemscenario,usingthehandoutonthenextpageforvisual

support.

Giveeachchildacardfromamemorygame.Directthestudentstofindtheperson

withacardthatmatchestheirs.Thiswillbetheirproblem-solvingpartner.

Giveeachchildaworksheet.Circulatetoguidepartnerwork.

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WeScreamforIceCream!

StudentsinMr.Maxsclassareplanningandicecreamparty!

Eachstudentvotedfortheirfavoriteflavor,andthestudentsmadethischartoftheresults:

1.HowmanystudentsareinMr.Maxsclass?

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2.Iftheclasscanonlybuy2differenticecreamflavorsfortheparty,which2

shouldtheybuy?Drawapictureoftheflavorstheyshouldbuy.

3.Howmanystudentswillnotgettheirfavoriteflavor?

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