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1. PARTNERS for Mathematics Learning Grade 2 Module 6. Partners for Mathematics Learning. 2. Reflecting Back to Earlier Modules Analyzed whole numbers 0 to 1000 for patterns, relationships, comparing and ordering Discussed strategies for solving addition and subtraction equations
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1 PARTNERS forMathematicsLearning Grade2 Module6 Partners forMathematicsLearning
2 ReflectingBacktoEarlierModules Analyzedwholenumbers0to1000for patterns,relationships,comparingand ordering Discussedstrategiesforsolvingaddition andsubtractionequations Relatedoperationstophysicalmodels Stressedtheimportanceofdeveloping numbersense Partners forMathematicsLearning
3 ProblemBasedLessons Researchhasindicatedthat beginningwithproblem situationsyieldsgreater problem-solvingcompetence andequalorbetter computationalcompetence
4 BigIdeas:ProblemSolving Processes(makingconnections, communications,representations, mathematicalreasoning)arewaysthat studentslearnmathematicsandwaysthat theydemonstratewhattheyhavelearned Mathematicalreasoningiswhenstudents usetheirknowledgeofmathematicsand theconnectionstheyhavemade (internalized)toresolvenewsituations Partners forMathematicsLearning
5 BigIdeas:ProblemSolving Problemsolvingiswhatyoudowhena solutionpath(orsolution)isnotimmediately recognized Experienceswithabroadrepertoireof strategies(suchas,drawapicture,use manipulatives,actitout,makeatableor chart,tryasimplerproblem,workbackwards, guessandcheck)leadtoconfidenceand greaterlikelihoodforsuccessinsolving problems Partners forMathematicsLearning
6 TeachingAddition&Subtraction Strategies Contextual Problems Connectedtochildren’s lives;Developmodelingof therealworld Models Counters, drawings,numberlines Partners forMathematicsLearning
7 TeachingAdditionandSubtraction Teachersneedtoplanlessonsinwhich studentsusemodelsandsolvecontextual problems Routinedrills-nocontext Routineapplications-inacontext Multi-stepdrills-nocontext Multi-stepapplications-inacontext Non-routine-noobvioussolutionpath Partners forMathematicsLearning
8 Howwouldyousolvethis? Joanhad48booksonherbookcase Aftershecleanedherroom,shefound somemorebooksandputthemonher shelf Whenshecountedallthebooks, therewere74inall HowmanybooksdidJoanfind andputontheshelf? Partners forMathematicsLearning
9 Howwouldyousolvethis? Agroupofpenguinswassunning themselvesonthebeach 12jumpedinthewater Thentherewere22 onthebeach Howmanywere onthebeachbefore the12left? Partners forMathematicsLearning
11 BasicStructureofProblems AccordingtoCGI,therearefourbasic structuresforproblems,regardlessofthe magnitudeofnumbers JoinProblems SeparateProblems Part-Part-WholeProblems CompareProblems Partners forMathematicsLearning
10 ComparingProblems Joanhad48bookson herbookcase.Aftershe cleanedherroom,she foundsomemorebooks andputthemonher shelf. Whenshecountedall thebookstherewere74 inall.Howmanybooks didJoanfindandputon theshelf? Agroupofpenguins wassunningthem- selves.12jumpedin thewater.Thenthere were22onthebeach. Howmanywere onthebeachbefore the12left? Partners forMathematicsLearning
12 JoinProblems Join:ResultUnknown Sarahad28pencils.Georgegaveher13more. HowmanypencilsdoesSarahavealtogether? Join:ChangeUnknown Sarahad28pencils.Georgegavehersome more.NowSarahas41pencils.Howmanydid Georgegiveher? Join:StartUnknown Sandrahadsomepencils.Georgegaveher13 more.NowSandrahas41pencils.Howmany pencilsdidSandrahavetobeginwith?
13 SeparateProblems Separate:ResultUnknown Sarahad41pencils.Shegave13pencilsto George.HowmanypencilsdoesSarahavenow? Separate:ChangeUnknown Sarahad41pencils.ShegavesometoGeorge. Nowshehas28pencils.Howmanydidshegive toGeorge? Separate:StartUnknown Sarahadsomepencils.Shegave13toGeorge. NowSarahas28pencilsleft.Howmanypencils didSarahavetobeginwith? Partners forMathematicsLearning
14 ProblemSolving “Problemsolvingisaprocessgrounded inreasoning.” RandallCharles Teachersneed Tounderstandthe problemtypes Tobeintentionalin choosingnumbers withinproblems Partners forMathematicsLearning
15 ProblemSolving “Problemsolvingisaprocessgrounded inreasoning.” RandallCharles Studentsneedto Identifythequantitiesin aproblem Usereasoningtoidentify therelationship betweenthem Partners forMathematicsLearning
16 ResearchFindings Studentshaveimprovedproblem-solving performanceswhenthey Representmathematicalwordproblems Usediagramstorepresentwordproblems Teacheremphasizestherepresentationof problemstructures ? Partners forMathematicsLearning
17 BarDiagramsforJoinProblems Kimhas23antiquedolls.Herfathergives her18more.Nowhowmanyantiquedolls doesshehave? Danhassaved$57.Howmuchmore moneydoesheneedinordertohave$85? Partners forMathematicsLearning
18 DiagramsforSeparateProblems Tomashas94jellybeans.Heeats56of theminoneweekend.Howmanyjelly beansareleft? Maryhas35pencils.Shegivesometo herclassmates.Nowshehas17.How manydidshegiveherclassmates? Partners forMathematicsLearning
19 Part-Part-WholeProblems Part-Part-Whole:WholeUnknown Sydneyhas24penniesand14nickels. Howmanycoinsdoesshehave? Part-Part-Whole:PartUnknown Sydneyhas38coins.Twenty-fourof hercoinsarepennies,andtherestare nickels.Howmanynickelsdoes Sydneyhave? Partners forMathematicsLearning
20 BarDiagrams:Part-PartWhole 24+14=? 24+?=38 Partners forMathematicsLearning
21 CompareProblems Compare:DifferenceUnknown Georgehas24pencilsand Sarahas14pencils.Howmany morepencilsdoesGeorge havethanSara? Compare:LargerorSmallerUnknown Georgehas10morepencilsthanSara.Sarahas 14pencils.HowmanypencilsdoesGeorgehave? Georgehas10morepencilsthanSara.George has24pencils.HowmanypencilsdoesSara have? Partners forMathematicsLearning
22 Differentiation Thedentisthad(11,43,120) toothbrushes.Shegavesometo herpatients.Thenshehad(7,18,83)left. Howmanytoothbrushesdidthedentist givetoherpatients? Thedentisthad_____toothbrushes.She gavesometoherpatients.Thenshehad _____left.Howmanytoothbrushesdid thedentistgivetoherpatients? (11,7) (120,83) (43,18) Partners forMathematicsLearning
23 WritingStoryProblems Inyourgroupdiscussyourassignedstory problemtype Writeproblemstomatchthestoryproblem type Includesomeproblemswithdifferentiation options Discusswhybeingawareofthesedifferent typesisimportant Partners forMathematicsLearning
24 Multi-stepProblems Lauraboughtapencilfor$0.20andan eraserfor$0.15.Shepaidtheclerk$0.50. Howmuchchangeshouldshereceive? Ihave36cookies.Myclasshas15boys and10girls.DoIhaveenoughcookiesso everyonegetsonecookie?Howdoyou know? Partners forMathematicsLearning
25 InProblemSolvingClassrooms StudentsLearn Concepts Computationalskills StudentsShareStrategies Communicatetheirthinking Learnfromeachother Provideawindowintoastudent’sthinking Partners forMathematicsLearning
26 KeyWords:AMisleadingStrategy Thereare25studentsinourclass altogether.Thereare15girls.Howmany areboys? Mymomismakingcookiesformyparty. Therewillbe7peopleatmyparty, includingme.Eachpersonwillhave3 cookies.HowmanycookiesshouldMom makealtogether? Partners forMathematicsLearning
27 SolutionStrategies DirectModeling CountingALLtodeterminetheamount CountingOn CountingONtodeterminetheamount Recall/NumberFacts Usinganefficientstrategytodetermine theamount—usingfactsandnumber sensetosolveproblems Partners forMathematicsLearning
28 Students’Strategies Ihad46dollars.Mymomgavemesomemore money.NowIhave83dollars.Howmuch moneydidmymomgiveme?83 46+____=83 Partners forMathematicsLearning
29 NumberTalks ComputationStrategies NumberRelationships MentalStrategies 36-10 43-30 36-20 36-24 43-33 43-39 Subtract Partners forMathematicsLearning
30 NotJustStoryProblems ExplainingStrategies MentalMath Reasoning Open-endedTasks QuickImages ChoralCounting NumberTalks Partners forMathematicsLearning
31 Teacher’sRole Inaproblem-based classroomtheteacher… Listenstostudents’strategies Asksquestions Makessuredifferentstrategiesareshared Hasstudentssolveproblemsinmore thanoneway Hasstudentsdiscusshowstrategiesarealike andhowtheyaredifferent Presentsrichandinterestingproblems Partners forMathematicsLearning
32 Math&Literature Partners forMathematicsLearning
33 MathematicsandLiterature Partners forMathematicsLearning
365 Penguins. 34 Whatdoyoudowith60penguins? Partners forMathematicsLearning
35 StudentWork Studentsworkedinpairstofindwaysto organize60penguins Theyhad60cubes Theyrecordedtheirsolutions LookatCole’s,Emma’sandMiles’work Whatdotheyunderstand? Whatdoyouwanttoaskthem? Partners forMathematicsLearning
36 Organize Them! 365 Penguins Partners forMathematicsLearning
37 ExtendingtheMathematics 3-digitnumbers Costoffood Calendar Predictions Partners forMathematicsLearning
38 Penguins&Measurement Connections Research Writing Art Measurement ProblemSolving Partners forMathematicsLearning
39 PenguinsonParade Partners forMathematicsLearning
40 ComputerResources Partners forMathematicsLearning
41 LiteratureConnections Readabook Planamathlesson Lookatthehandouttoguideyourthinking Shareyourplanwiththegroup Partners forMathematicsLearning
42 ReflectingonOurWork Basedontoday’swork,Iwanttorethink howIamteaching… Oneideathatisnewtometodayis… SomethingIwouldlikefurther conversationsaboutis… Partners forMathematicsLearning
43 DPIMathematicsStaff EverlyBroadway,ChiefConsultant ReneeCunninghamKittyRutherford RobinBarbourMaryH.Russell CarmellaFairJohannahMaynor AmySmith PartnersforMathematicsLearningisaMathematics-Science PartnershipProjectfundedbytheNCDepartmentofPublicInstruction. Permissionisgrantedfortheuseofthesematerialsinprofessional developmentinNorthCarolinaPartnersschooldistricts. Partners forMathematicsLearning
44 PMLDisseminationConsultants SusanAllman JuliaCazin RuafikaCobb AnnaCorbett GailCotton JeanetteCox LeanneDaughtry LisaDavis RyanDougherty ShakilaFaqih PatriciaEssick DonnaGodley ShanaRunge YolandaSawyer PennyShockley PatSickles NancyTeague MichelleTucker KanekaTurner BobVorbroker JanWessell DanielWicks CarolWilliams StacyWozny CaraGordon TeryGunter BarbaraHardy KathyHarris JulieKolb ReneeMatney TinaMcSwain MarilynMichue AmandaNorthrup KayonnaPitchford RonPowell SusanRiddle JudithRucker Partners forMathematicsLearning
45 2009Writers PartnersStaff KathyHarris RendyKing TeryGunter JudyRucker PennyShockley NancyTeague JanWessell StacyWozny AmandaBaucom JulieKolb FredaBallard,Webmaster AnitaBowman,OutsideEvaluator AnaFloyd,Reviewer MeghanGriffith,AdministrativeAssistant TimHendrix,Co-PIandHigherEd BenKlein,HigherEducation KatieMawhinney,Co-PIandHigherEd WendyRich,Reviewer CatherineStein,HigherEducation PleasegiveappropriatecredittothePartners forMathematicsLearningprojectwhenusingthe materials. JeaneJoyner,Co-PIandProjectDirector Partners forMathematicsLearning
46 PARTNERS forMathematicsLearning ProblemSolving WordProblems Communication Connections Partners forMathematicsLearning