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The study involved collaborative planning, observation, and reflection among teachers to enhance student understanding of mathematical concepts. The CPA approach, emphasizing a progression from hands-on manipulatives to visual representations and finally to abstract symbols, was applied across several activities including story starters, lesson explanations, group work with concept cartoons, a random spinner explanation, coding activities, and self-evaluation. The findings highlight the effectiveness of collaborative lesson study in teacher professional development and the successful integration of the CPA methodology to foster deeper mathematical learning. The document includes detailed teacher and student reflections, self-evaluation rubrics, and analysis of student engagement and understanding across different phases of the lesson.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/using-lesson-study-to-implement-the-cpa-approach-in-a-mathematics-primary-classroom/179802/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/using-lesson-study-to-implement-the-cpa-approach-in-a-mathematics-primary-classroom/179802.png","ImageObject",300,407,{"name":92,"@type":93},"Đào","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-09-02",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main pedagogical approach used in this lesson study?","Question",{"text":112,"@type":113},"The lesson study implements the Concrete-Pictorial-Abstract (CPA) approach, which guides students through understanding mathematical concepts first with physical objects, then with visual diagrams, and finally with abstract symbols.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What were the different phases and activities involved in the lesson study?",{"text":117,"@type":113},"The lesson study included an introduction with a story starter, explanation phases with differing instructions, group work using concept cartoons, a random spinner for explanation, coding activities, and a self-evaluation component.",{"name":119,"@type":110,"acceptedAnswer":120},"What was the role of lesson study in this educational initiative?",{"text":121,"@type":113},"Lesson study served as a collaborative professional development process where teachers planned, observed, and reflected on teaching practices, specifically focusing on the effective implementation of the CPA approach in a primary mathematics classroom.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},179802,1788338291,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":66,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143,"preview_page_count":4},1374402968488,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","cbCaifG9yEho3LYt","https://ap.wps.com/l/cbCaifG9yEho3LYt","pdf",1450851,26,"English","# Introduction: Story Starter\n# Explanation: Lesson Explanation\n# Explanation: Random Spinner\n# Group Work: Concept Cartoon\n# Conclusion: Coding Activity\n# Self-Evaluation","[{\"question\":\"What is the main pedagogical approach used in this lesson study?\",\"answer\":\"The lesson study implements the Concrete-Pictorial-Abstract (CPA) approach, which guides students through understanding mathematical concepts first with physical objects, then with visual diagrams, and finally with abstract symbols.\"},{\"question\":\"What were the different phases and activities involved in the lesson study?\",\"answer\":\"The lesson study included an introduction with a story starter, explanation phases with differing instructions, group work using concept cartoons, a random spinner for explanation, coding activities, and a self-evaluation component.\"},{\"question\":\"What was the role of lesson study in this educational initiative?\",\"answer\":\"Lesson study served as a collaborative professional development process where teachers planned, observed, and reflected on teaching practices, specifically focusing on the effective implementation of the CPA approach in a primary mathematics classroom.\"}]","Using Lesson Study to Implement the CPA Approach in a Mathematics Primary Classroom | PDF",66]