{"created":"2025-02-21T05:49:18.771713+00:00","id":2010964,"links":{},"metadata":{"_buckets":{"deposit":"74804418-92a1-4ba3-8022-12a1cc0f4d3f"},"_deposit":{"created_by":41,"id":"2010964","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2010964"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02010964","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"割合分数を具象化する分数ブロックの提案と学習支援システムの設計・開発及び試験的利用","subitem_title_language":"ja"},{"subitem_title":"Proposal of Fraction Block as Reification of Ratio Fraction, Development of Learning Environment and Practical Use in an Elementary School","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"城谷, 昭充","creatorNameLang":"ja"},{"creatorName":"Joya, Akimitsu","creatorNameLang":"en"}],"familyNames":[{"familyName":"城谷","familyNameLang":"ja"},{"familyName":"Joya","familyNameLang":"en"}],"givenNames":[{"givenName":"昭充","givenNameLang":"ja"},{"givenName":"Akimitsu","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"前田, 一誠","creatorNameLang":"ja"},{"creatorName":"Maeda, Kazushige","creatorNameLang":"en"}],"familyNames":[{"familyName":"前田","familyNameLang":"ja"},{"familyName":"Maeda","familyNameLang":"en"}],"givenNames":[{"givenName":"一誠","givenNameLang":"ja"},{"givenName":"Kazushige","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"平嶋, 宗","creatorNameLang":"ja"},{"creatorName":"Hirashima, Tsukasa","creatorNameLang":"en"}],"familyNames":[{"familyName":"平嶋","familyNameLang":"ja"},{"familyName":"Hirashima","familyNameLang":"en"}],"givenNames":[{"givenName":"宗","givenNameLang":"ja"},{"givenName":"Tsukasa","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access 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IEICE"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"分数ブロック","subitem_subject_scheme":"Other"},{"subitem_subject":"可操作モデル","subitem_subject_scheme":"Other"},{"subitem_subject":"割合分数","subitem_subject_scheme":"Other"},{"subitem_subject":"割合の可視化","subitem_subject_scheme":"Other"},{"subitem_subject":"分数の乗除算","subitem_subject_scheme":"Other"},{"subitem_subject":"370","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"本論文では割合を意味する分数を具象化するものとして分数ブロックモデルを提案する．分数ブロックは分子ブロックと分母ブロックの組で表され，その比率を保ったまま伸縮させることができる．量の具象物であるテープに分数ブロックを合わせることで関係する長さの別のテープを取り出すことができる．これは分数の乗除算であり，割合分数の演算を具体的な操作として行うことができる．また，本研究では分数ブロックを実際に操作することのできる学習支援システムを小学校教諭と共同で設計・開発しており，割合を意味する分数としての妥当性を小学校での実践的利用により検証したのでそのことについても報告する．","subitem_description_language":"ja"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_1617186920753":{"attribute_name":"Source 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