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1用正多边形拼地板教学设计与点评一、教材分析A1A0A2A3A4A5A6A7A8A9A10A11A12A13A15A16A14A17A18A6A15A20A3A19A21A22A23A24A25A26A15A1A27A28A2A29A30A31A20A32A33A34A6A35A36A15A38A37A39A2A40A41A42A43A44A45A42A6A46A47A21A22A6A48A49A15A51A50A52A53A54A55A10A21A22A56A30A57A59A6A58A60A46A47A61A63A64A49A61A62A52A65A61A67A1A27A6A10A11A66A2A10A68A69A70A6A71A72A73A74A15A39A2A21A22A6A75A76A73A74A15A78A75A76A6A73A74A77A16A79A80A81A82A54A29A44A45A42A6A83A22A15A38A37A9A59A31A6A28A34A10A11A85A86A42A6A84A87A89A90A88A54A21A22A91A92A67A1A27A93A51A50A94A52A53A54A28A74A95A96A6A85A99A89A55A10A6A97A98A100A75A76A6A101A22A15A1A27A20A52A53A6A55A10A69A104A102A103A63A55A10A105A106A107A108A63A55A10A75A76A101A22A63A55A10A109A110A111A112A113A9A59A31A6A10A11A99A114A54A115A116A67二、教学目标A119A117A118A28A74A95A96A63A122A120A121A123A118A6A121A124A125A126A43A127A128A10A68A6A129A52A122A130A15A133A131A132A3A88A121A10A134A95A137A135A136A138A139A136A138A140A141A142A143A78A122A120A100A144A145A6A10A11A97A98A77A15A146A10A68A147A148A149A40A41A42A63A149A102A42A63A149A150A45A42A151A152A7A153A94A31A154A141A155A143A78A144A145A6A73A74A77A15A146A10A68A125A156A149A44A45A42A151A152A7A153A94A31A6A157A125A154A158A159A138A139A158A159A140A32A160A10A68A161A145A62A156A162A122A130A33A34A6A151A163A15A164A165A10A68A98A166A167A168A63A169A170A144A171A63A172A168A10A11A6A151A163A154A173A174A138A139A173A174A140A141A142A143A175A73A111A176A63A122A120A63A177A178A63A179A180A112A10A11A97A98A15A146A10A68A52A120A55A10A97A98A51A153A181A144A171A61A62A182A183A61A15A16A184A164A165A10A68A10A11A55A10A6A185A186A15A187A188A10A189A55A10A6A169A190A191A67A141A155A143A146A10A68A52A192A193A55A10A100A53A122A68A97A6A60A194A195A65A15A83A22A193A55A10A6A75A76A109A110A67三、教学重点与难点A196A197A196A197A137A78A122A120A144A145A97A98A77A29A85A149A44A45A42A7A94A198A33A34A89A6A199A200A199A200A201A201A202A203A202A203A202A201A204A205A206A207A208A209A210A211A208A209A210A211A15A3A43A78A212A213A73A74A77A29A10A68A199A200A214A215A209A216A217A199A200A215A209A201A201A218A219A158A159A209A220A221A218A201A222A223A224A225A209A226A227A223A224A2A1A27A6A228A229A67A230A197A230A197A137A29A149A44A45A42A151A152A7A153A94A31A6A157A125A6A231A204A232A233A114A228A229A233A234A235A229A6A102A103A137A10A68A236A237A238A239A240A241A242A239A240A241A242A243A244A245A246A247A248A249A250A251A244A245A246A247A249A250A251A252A253A254A255A67A29A0A1A2A52A3A4A254A5A6A7A8A9A10A15A203A254A5A11A12A13A14A16A17A63A11A16A17A14A78A18A63A11A78A18A14A19A20A63A11A19A20A14A21A153A15A22A23A24A25A26A27A28A30A31A192A32A63A30A194A33A32A67四、教学方法与学法的选择A56A254A29A34A35A36A14A37A31A137A38A39A40A41A38A38A42A249A43A39A40A43A57A57A15A124A44A45A56A254A254A255A6A46A47A48A63A212A49A48A50A51A9A48A67A56A254A124A254A53A45A54A55A58A59A28A60A3A254A5A61A62A28A252A253A41A38A245A64A65A66A65A66A6A68A34A67A56A254A124A254A45A56A254A12A13A6A124A254A15A29A0A1A124A44A220A203A254A5A61A62A66A69A245A64A70A71A43A247A72A73A74A75A76A77A73A74A75A76A243A79A38A39A80A81A73A82A83A79A38A39A80A81A73A57A246A70A70A83A84A85A83A84A85A70A70A83A86A87A83A86A83A70A83A88A89A83A88A90A92A91A93A1A6A94A95A21A96A15A97A98A29A29A99A100A101A102A245A246A247A248A65A66A103A246A247A103A15A1A29A28A32A11A104A105A106A1512A107A251A108A11A124A254A14A124A44A109A10A110A111A112A113A114A112A113A114A115A115A115A115A116A117A118A119A116A117A118A115A115A115A115A120A121A70A122A123A73A125A126A122A123A125A126A127A6A128A129A252A253A124A254A67A168A68A94A95A28A130A6A131A132A15A175A100A133A134A6A124A254A135A136A15A252A253A49A138A15A78A141A14A139A192A140A142A143A144A68A34A15A139A192A254A5A6A232A145A8A17A15A139A192A254A5A146A140A142A147A148A149A24A150A6A124A254A67A38A251A108A11A254A255A14A254A5A109A10A110A71A43A247A72A71A43A115A115A115A74A75A76A77A75A76A115A115A115A111A112A120A152A154A6A155A46A156A129A252A253A254A255A67A254A5A157A158A91A159A160A161A162A15A163A56A254A16A17A63A78A141A12A13A24A25A26A27A28A164A165A15A11A7A13A6A78A141A254A255A14A15A245A166A167A26A27A6A254A255A169A170A67五、教学过程A171A171A172A172A173A111A112A73A113A114A113A114A124A44A49A174A254A5A12A13A100A101A176A131A124A44A11A177A251A1A164A178A179A180A28A130A131A181A15A175A100A182A183A135A136A67A44A137A254A184A185A186A190A95A6A131A181A45A187A15A184A45A188A189A191A190A95A131A181A14A193A195A196A6A56A254A197A21A198A199A200A201A202A204A182A183A137A182A183A205A137A11A1A206A6A131A181A14A15A184A207A191A167A208A95A131A143A199A182A183A209A137A210A211A208A95A221A179A213A143A214A10A215A216A28A130A199A217A218A219A222A223A224A225A226A227A228A229A223A230A231A223A233A234A230A235A236A237A238A239A240A241A242A243A244A246A247A248A249A250A252A253A255A138A0A11A1A2A3A4A5A6A7A19A8A63A21A9A124A10A12A13A14A5A34A15A151A255A16A0A11A1A17A23A18A5A1A20A24A123A22A25A26A27A28A29A30A34A15A16A201A31A3A4A5A239A32A67关健词感受、思考、体验以现实的、有意义的素材作为问题情境，使学生感受到生活中处处有数学，思考将现实问题数学化的过程，体验到数学的应用价值。A33A35A36A37A38A39A40A41A42A43A1A20A44A45A245A11A1A46A47A5A48A125A49A50A85A51A89A52A55A11A1A5A11A53A85A54A56A89A49A57A58A59A11A1A5A60A84A25A61A62A25A5A64A65A66A68A69A52A55A85A70A71A89A49A72A73A74A5A11A53A75A76A77A244A55A78A79A5A80A81A67A124A82A30A124A125A5A83A217A244A201A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