Partners for Mathematics Learning - Grade One Geometry Concepts

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Explore key geometry concepts for grade one mathematics learning, including shapes, classifications, and spatial reasoning. Understand the importance of developing spatial awareness and reasoning in young learners. Delve into topics such as polygons, quadrilaterals, parallelograms, rectangles, and rhombuses. Discover essential standards and vocabulary crucial for students to grasp for successful learning outcomes.


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  1. 1 PARTNERS forMathematicsLearning GradeOne Module4 Partners forMathematicsLearning

  2. 2 WhatisGeometry? geo -meansearth metry meansmeasure Measurementoftheearth Partners forMathematicsLearning

  3. 3 Weknowthat Childrendevelopspatial awarenessandreasoning overtimeasaresultof whattheyexperience Veryearlytheylearnto recognizebasicshapes evenwhentheydonot alwaysattachan appropriateterm Partners forMathematicsLearning

  4. 4 EssentialStandards Classifyaccordingtogeometricattributes2-D shapesasparallelograms,rhombuses, trapezoids,andhexagonsand3-Dshapesas prismsandpyramids Comparegeometricfiguresintermsoftheir perspectives,orientations,attributes,and properties Representdifferentperspectivesand orientations,describeafigure sgeometric attributesandproperties,anddeterminehow figuresarealikeanddifferent Partners forMathematicsLearning

  5. 5 WhatDoWeRemember? Turntohandout1andtakeafewminutes tocompletethechart Thinkabout:Whatwillstudentsneedto knowandbeableto doforthesestandards? Whatnewvocabulary dostudentsneedto learnthisyear? Partners forMathematicsLearning

  6. 6 Polygon Closedplanefigureboundedbythreeor morelinesegmentsthatmeetonlyattheir endpoints NOTpolygons polygons 2-Dfigures Canbeclassifiedbythenumberofsides Partners forMathematicsLearning

  7. 7 Quadrilateral Polygonwithfoursides Whyarethesefiguresnotquadrilaterals? Partners forMathematicsLearning

  8. 8 Parallelogram Quadrilateralwithoppositesidesparallel andequalinlength Oppositeanglesarecongruent parallelograms Partners forMathematicsLearning

  9. 9 Rectangle Closedfigurewithfourlinesegments,2 pairsofparallellines,andfourrightangles ( squarecorners ) NOTrectangles rectangles Studentsneedtoseerectanglesthatare rotated-notparalleltoedgeofpaper Partners forMathematicsLearning

  10. 10 Rhombus(RhombusesorRhombii) Havefoursidesallhavethesamelength Closedfigurewithoppositesidesparallel Diagonalsareperpendicular NOTrhombus rhombus Partners forMathematicsLearning

  11. 11 Square Hasfoursides(linesegments)allofthe samelengthaswellasfourrightangles Everysquareisarectangle Closedfigure squares Partners forMathematicsLearning

  12. 12 SquaresAreRhombusesAre quadrilaterals rectangles squares rhombuses polygons Partners forMathematicsLearning

  13. 13 Trapezoid Closedfigure,madeoffourlinesegments, exactlytwoofwhichareparallel(onepair ofparallelsides) Redpatternblockisanexample trapezoid NOTtrapezoid Partners forMathematicsLearning

  14. 14 Hexagon Polygonwithsixsides Theyellowpatternblock(liketheredone below)isahexagon hexagons nothexagons Partners forMathematicsLearning

  15. 15 AvoidingMisconceptions If isahexagon Is ahexagon? Partners forMathematicsLearning

  16. 16 Two-Dimensional(2-D)Shapes Alsocalledplanefigures Shapesthatcanbecompletelyseenin oneplane(shownonaflatsurface) Circlesareplanefiguresbutarenot polygons Partners forMathematicsLearning

  17. 17 Shapes,Sides,Corners,Congruent? Whatisthisshape? Howmanysides? Howmanyvertices? HowcanIcutthisshapetogettwo smallerrectangles? Arethetworectanglescongruent? Arethereotherwaystocutthisshapeto have2rectangles? Partners forMathematicsLearning

  18. 18 CuttingCorners Get5indexcardsandmakestraightcuts fromonesidetoanadjacentsidetomake A.Atriangleandapentagon B.Twoquadrilateralsthataretrapezoids C.Tworectangles D.Twotriangles E.Atriangleandaquadrilateralthatisatrapezoid Howmanysidesandverticesaretherefor eachshape? Partners forMathematicsLearning

  19. 19 Cutting B.. A. C. D. E. Doyourshapeshavetolookexactlylike thesetobecorrect?Whyorwhynot? Partners forMathematicsLearning

  20. 20 . . . . . . . . . . . . . . . . . . . . . . ShapesonaGeoboard . .. Predicthowmanyexamplesofyourshape (differentsizeandshape)youcanmake onyourgeoboard Decidehowyouwillkeeparecord Makeashape,record,makethenext shape(reuserubberbandssothatonly onefigureatatimeisontheboard) Makeasmanydifferentexamplesasyou canusingyourgeoboard Partners forMathematicsLearning

  21. 21 FashioningFour Useageoboardand rubberbandstocreate four-sidedfigures Howmanydifferent shaped,closedfigures withfoursidescanyou create? Howcouldwesortthese? Partners forMathematicsLearning

  22. 22 PolygonButNotaQuadrilateral? Areallquadrilateralspolygons? Areallpolygonsquadrilaterals? Allsquaresarerectangles Areallrectanglessquares? Canthesamefigurebeaparallelogram andarectangleandarhombus? Areallpolygonsclosedfigures? Areallplanefigurespolygons? Partners forMathematicsLearning

  23. 23 BigIdeaforGeometry Two-dimensionalshapesarecombinedto makethree-dimensionalshapes Partners forMathematicsLearning

  24. 24 2-Dimensionalto3-Dimensional Polyhedronmeans manyfaces Edge--3-Dterm Formedwhere twofaces coincideFace 3-Dterm Aflatsurfaceon Vertex apointApolyhedron wheretwoormore(Facesarepolygons) edgesmeet Partners forMathematicsLearning

  25. 25 Pyramid Hasabasethatisapolygonandsidesthat aretriangles Hasonepointatthetop,calledanapex triangularpyramid squarepyramid rectangularpyramid Partners forMathematicsLearning

  26. 26 Prisms Thesearethree- dimensionalshapes whosesidesareall formedbypolygons Theyareprisms becauseends(or bases)arecongruent andsidesare parallelograms Partners forMathematicsLearning

  27. 27 Three-DimensionalShapes Partners forMathematicsLearning

  28. 28 BuildingonStrengths Somestudents'capabilitieswith geometricandspatialconceptsexceed theirnumberskills.Buildingonthese strengthsfostersenthusiasmfor mathematicsandprovidesacontextin whichtodevelopnumberandother mathematicsconcepts. RazelandEylon1991 forMathematicsLearning

  29. 29 MoreInformation Whatvocabularywill youusewithfirst graderstoteachthis standard? Giveexamplesof vocabularyusedfor: Perspective Orientation Attribute Property Comparegeometricfigures intermsoftheir perspectives,orientations, attributes,andproperties Partners forMathematicsLearning

  30. 30 OralMap Standbesideyourchair Countyourstepsoutloudasyoumove towardtheclassroomdoor Saywhichwayyouareturning Keepcountingoutloudasyoumovetothe door Howdothedirectionschangeifyougo backtoyourseatfromhere? forMathematicsLearning

  31. 31 ThePathHome Placearedandagreencube onoppositesidesofthe geoboard Userubberbandstomakea pathfromonecubetothe other Describethepathorallyand haveyourpartnerrecordon dotpaperwithoutseeingyour geoboard Partners forMathematicsLearning

  32. 32 OvertheWall Openafoldertomakea wall betweenyouandyourpartner Person1buildsadesignwithpatternblocks Describehowyourpartnercanmakethe samedesignontheothersideofthewall Takethewalldownandseeiftheshapes arethesame Discuss:Whatadditionaldirectionsmight yougivestudentsastheyfirstdothetask? Partners forMathematicsLearning

  33. 33 DifferentPerspectives FromwhereIamstanding WhenIlookupIsee . Lookingdownmakesitlooklike Partners forMathematicsLearning

  34. 34 Composeanddecompose geometricfiguresinterms oftheirperspectives, MoreInformation orientations,attributes,and properties Thisstandardhasbeen changed Whatdostudentsneedto knowandbeabletodoto masterthisstandardasit nowexists? Partners forMathematicsLearning

  35. 35 PatternBlockPuzzles Chooseapuzzle Coverthepuzzlewithpatternblockpieces Howmanypiecesdidyouuse? Didsomeoneelseusemoreorless? Partners forMathematicsLearning

  36. 36 GoodMoves Howdidyoubegintofillinthe puzzleoutline? Asyouworked,howdidyou decidewheretoplaceyour blocks? Didyourstrategychangeas thepuzzlebecamecloserto beingfull?Ifso,how? Partners forMathematicsLearning

  37. 37 ShapeSorters Smallgroupsofstudentsaregivena collectionofgeometricsolidsandattribute blockpieces Studentsthen Groupthecollectioninseveraldifferentways Sharefindingswithinthesmallgroups Smallgroupssharesortingpossibilities together forMathematicsLearning

  38. 38 TeacherLedDiscussions Askstudentstoexplaintheirsorts Directstudentstosortbyspecificcriteria Havestudentsfindthepolygonsthatare thefacesforthepolyhedra Remember-thisisayear-longactivity! Partners forMathematicsLearning

  39. 39 ModelWaysToRecord Studentscanrecordtheirobservationsand comparisonsofshapes Stamping Tracing Drawing Remember-activitieswithout conversationmaynothelp childrenmakeconnections Partners forMathematicsLearning

  40. 40 Two-PieceShapes Decomposing2-Dshapes Decompose Takingapart Composing2-Dshapes Composing Puttingtogether Partners forMathematicsLearning

  41. 41 Two-PieceShapes Howmanydifferentwayscanyouputthe trianglestogether? Isanyshapebiggerthananother? Partners forMathematicsLearning

  42. 42 BlocksWithFaces Tracearoundthefacesoneachblock Areanyofthefacesthesame? Areanyofthefacesdifferent? Howmanyfacesdoesyourblockhave? Canyoumatchthefacesyoudrewto facesonotherblocks? Partners forMathematicsLearning

  43. 43 FaceMaps Afacemapofa_____________ Partners forMathematicsLearning

  44. 44 MysteryShapeMaps WhosefaceamI? Partners forMathematicsLearning

  45. 45 MyShapeJournal Writethenameoftheshapeontheline Tellhowyouknowthisisthenameofyour shape DrawapictureORcutapictureofyour shapefromamagazine Whatdoesyourshapelooklike? kite soupcan Partners forMathematicsLearning

  46. 46 QuiltWithMe Choosefoursquares Cutsomeofthesquaresdiagonally Arrangetheshapestocoverthecard Whatshapesdoyouseeinyourquilt square? Partners forMathematicsLearning

  47. 47 WhatDoYouSee? Makealistoftheshapesand geometricvocabularyillustrated inyoursquare Passyoursquaretothepersononyourright Addtothelistoftermsillustratedandkeep passing Putyoursquarestogethertomakeatable quilt Partners forMathematicsLearning

  48. 48 MathFairBlues 2-and3-dimensional shapesandobjects helpSethandhis friendstobecomea hitattheMathFair Partners forMathematicsLearning

  49. 49 StillCircling Whatdostudentsneedtoknowandbe abletodotomastertheseEssential Standards? Partners forMathematicsLearning

  50. 50 DPIMathematicsStaff EverlyBroadway,ChiefConsultant ReneeCunninghamKittyRutherford RobinBarbourMaryH.Russell CarmellaFairJohannahMaynor AmySmith PartnersforMathematicsLearningisaMathematics-Science PartnershipProjectfundedbytheNCDepartmentofPublicInstruction. Permissionisgrantedfortheuseofthesematerialsinprofessional developmentinNorthCarolinaPartnersschooldistricts. Partners forMathematicsLearning

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