exploring openended tasks as teacher learning

《exploring openended tasks as teacher learning》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、EXPLORINGOPEN-ENDEDTASKSASTEACHERLEARNINGPeterSullivan(MonashUniversity) MelGriffioenandHayleyGray(HillsmeadePrimarySchool)ChrisPowers(TimbarraPrimarySchool)IntroductionTheTaskTypesandMathematicsLearningprojectisinvestigatingtheopportunitiesandconstraintsthatteachersexperiencewhenusingparticularty

2、pesofmathematicstasks.Someassumptionsunderlyingthisaspectoftheprojectare:.thatteachersseekingabalancedcurriculumchoosetouseamixoftypesoftasks; .open-endedquestionsofferstudentsandteachersopportunitiesforbothcreativityanddifferentwaysofthinkingaboutmathematics(Christiansen&Walther,1986); .trialinge

3、xemplarsofparticulartypesoftasks,reflectingontheexperiencebywritingareport,andreportingbacktocolleaguesinvolvessubstantialteacherlearning,andcanformthebasisofsustainableprofessionaldevelopment(seealsoRunnesson,2008;Stigler&Hiebert,1994).Thisarticleexplainswhatismeantbycontentspecificopen-endedtask

4、s,illustratesthewaysthatteacherswroteuptrialsofsuchtasksintheirclassrooms,andusesexcerptsfromteachers’reportingontheirtrialsatmeetingsofprojectteachersfromaclusterofnearbyschools,toillustratethetypeofteacherlearningthatresultedfromthisprocess.Contentspecificopen-endedtasksThebasisofthisaspectofthe

5、projectisthatteachersdevelopandtrialparticulartypesoftasksandreportonthestudents’learningandanychallengestheyexperienceinusingthetasktype.TheparticulartasktypethatisthebasisofthisreportisdescribedbytheprojectasStudentsinvestigatespecificmathematicalcontentthroughopen-endedtasks.Thedefinitionprovid

6、edtoteachersaspartoftheprojectis:Contentspecificopen-endedtaskshavemultiplepossibleanswers,theypromptinsightsintospecificmathematicsthroughstudentsseeinganddiscussingtherangeofpossibleanswers.Anexampleis:Drawasmanydifferenttrianglesasyoucanthathaveanareaof6cm2.Suchtasksallowunambiguousfocusonspeci

7、ficaspectsofmathematicswhilestillallowingopportunitiesforcreativityandactivedecisionmakingbythestudentswiththeadvantagethatonetaskcanbeapplicabletowiderangeoflevelsofunderstanding.Fortheexampletaskgiven,animporta