{"created":"2025-02-23T05:20:39.846923+00:00","id":2011884,"links":{},"metadata":{"_buckets":{"deposit":"7a61cc5c-0a34-443d-baf8-c40d3f3dc6ac"},"_deposit":{"created_by":41,"id":"2011884","owner":"41","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2011884"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02011884","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"2 進数の指導について","subitem_title_language":"ja"},{"subitem_title":"An Approach to Teaching the Binary Number","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"宇佐川, 信行","creatorNameLang":"ja"},{"creatorName":"Usagawa, Nobuyuki","creatorNameLang":"en"}],"familyNames":[{"familyName":"宇佐川","familyNameLang":"ja"},{"familyName":"Usagawa","familyNameLang":"en"}],"givenNames":[{"givenName":"信行","givenNameLang":"ja"},{"givenName":"Nobuyuki","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"370","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"本稿は中学校1年における「2進数」の指導の実践報告である。指導要領では, 「電卓・コンピューターに関連した数の表現法として, 2進数を中心に, 10進法と異なる位取り記数法について理解する」と述べられている。本実践では, 前半で, n種類の記号で表現される「n進法」を考え, n進法による数の表現として「n進数」を導入した。ここでは, 小数も扱い, 有限小数と無限循環小数の差は表記上の差にすぎず, 数としては同じ仲間(有理数)であることを感じ取らせることも1つのねらいとした。後半では, 「論理回路(2進法)」を用いて, 加法のコンピューターをつくることを考えさせた。ここでは, スイッチ, 豆電球, 乾電池などを実際に使った回路でなく, それと同等の働きをするものとしてコンピューターを利用した。","subitem_description_language":"ja"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"広島大学附属中･高等学校"}]},"item_1617186660861":{"attribute_name":"Date","attribute_value_mlt":[{"subitem_date_issued_datetime":"2006-03-21","subitem_date_issued_type":"Created"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_1617186819068":{"attribute_name":"Identifier Registration","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15027/424","subitem_identifier_reg_type":"JaLC"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"1344-4441","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA11466015","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"37"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2001-03-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"47","bibliographicPageEnd":"42","bibliographicPageStart":"37","bibliographic_titles":[{"bibliographic_title":"研究紀要 ／広島大学附属中・高等学校"},{"bibliographic_title":"BULLETIN ／THE ATTACHED JUNIOR AND SENIOR HIGH SCHOOL HIROSHIMA UNIVERSITY"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617349709064":{"attribute_name":"Contributor","attribute_value_mlt":[{"contributorNames":[{"contributorName":"国立情報学研究所"}]}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2006-03-21"}],"displaytype":"simple","filename":"KJ00000049236.pdf","filesize":[{"value":"294.8 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2011884/files/KJ00000049236.pdf"},"version_id":"70385abe-fc9f-4745-9889-17ac04a23dbc"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"424"},"item_title":"2 進数の指導について","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2006-03-21"},"publish_date":"2006-03-21","publish_status":"0","recid":"2011884","relation_version_is_last":true,"title":["2 進数の指導について"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-23T05:20:52.640316+00:00"}