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The work addresses persistent poor performance by Engineering Graphics Design (EGD) learners in the AD component of the matriculation examination and investigates the extent to which teaching quality contributes. A case study collected qualitative data from 25 purpose-selected EGD teachers in UThukela district (KwaZulu-Natal) using open-ended questionnaires, focus groups, lesson plans, observations, and post-observation interviews.",{"@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/engineering-graphics-and-design-teachers-understanding-and-teaching-of-assembly-drawing/662788/",{"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/engineering-graphics-and-design-teachers-understanding-and-teaching-of-assembly-drawing/662788.png","ImageObject",300,407,{"name":92,"@type":93},"QWQ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What relationship does the study examine in teaching Assembly Drawing?","Question",{"text":112,"@type":113},"The study examines how teachers’ understanding of Assembly Drawing relates to how they teach Assembly Drawing, highlighting an interplay between teachers’ knowledge and their instructional practice.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why is Assembly Drawing teaching considered important in this study?",{"text":117,"@type":113},"The study is motivated by evidence that EGD learners perform poorly in the AD section of the matriculation examination, suggesting that teaching quality may contribute to learner outcomes.",{"name":119,"@type":110,"acceptedAnswer":120},"How was data collected from EGD teachers?",{"text":121,"@type":113},"Qualitative data were collected from 25 purpose-selected EGD teachers using open-ended questionnaires, focus group interviews, lesson plans, observations, and post-observation interviews.","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},662788,1793222472,{"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":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":36},962094510011,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Engineering Graphics and Design Teachers’ Understanding and Teaching of Assembly Drawing  \nAsheena Singh-Pillay  \nUniversity of KwaZulu-Natal, SOUTH AFRICA  \nDouglas Sibusiso Sotsaka  \nUniversity of KwaZulu-Natal, SOUTH AFRICA  \nReceived 16 August 2016 ▪ Revised 30 August 2016 ▪ Accepted 27 September 2016  \nABSTRACT  \nThis study explored the relationship between teachers’ content knowledge and their pedagogical skills, and reports on that relationship in the teaching of Assembly Drawing (AD) in a South African context. Given that Engineering Graphics Design (EGD) learners perform poorly in the AD section of the matriculation examination, we need to understand the extent to which this results from the quality of teaching. A case study approach was used to collect qualitative data from 25 purposively selected EGD teachers in the UThukela district of KwaZulu-Natal (KZN). Data was collected via an open-ended questionnaire, focus group interviews, lesson plans, observations, and post observation interviews. Our findings elucidate the relational interplay between teachers’ understanding of AD and their teaching of AD. The majority of teachers failed to develop visual, spatial skills in learners. Our findings  \nhave implications for continuous teacher professional development.  \nKeywords: assembly drawing, engineering graphics design, teaching, teacher,  \nunderstanding  \nINTRODUCTION  \nIn Engineering Graphics Design (EGD) for the National Senior Certificate (NSC) examination, learners write two papers, paper one and paper two. In paper two, the section of mechanical assembly, which is weighted the highest, includes Assembly Drawing (AD) .  \nVan Leeuwenn and duPlooy (2011) defined AD as the combination of any two or more individual components, with all those multiple-component devices making up the individually designed parts that fit together to form a functional unit. Narayana et al., (2006) elaborate that AD entails spatial visualisation ability, visualisation skills and drawing skills, because it entails mental manipulation of objects and their parts in 2D and 3D space. Agreeing with the above ideas, Kabouridis (2010) asserts that the fundamental skills required for all  \nState of the literature  \n􀁸 Assembly drawing entails the use of spatial visualisation ability, visualisation skills and drawing skills to be able to combination of any two or more individual components, together to form a functional unit.  \n􀁸 Learner perform poorly in assembly drawing in tests and examinations.  \n􀁸 No clear link has been established between teachers’ understanding of AD and their teaching of AD.  \nContribution of this paper to the literature  \n􀁸 This study illuminates the impact of teachers’ understanding of AD on their teaching of AD.  \n􀁸 Teachers understanding of AD contributes to new ways of defining AD.  \n􀁸 Female EDG teachers engage learners in hands on, project based learning and have learner centred classroom.  \naspects of mechanical drawing are the ability to perceive and visualise parts, and to interpret different views of an object that is represented in the drawing. In an AD, learners are given representations of up to seven components, which must then be drawn correctly, assembled in third angle projection, reflecting the front, top and side views. In addition, when drawing the assembly, learners are also expected to apply the relevant Codes of Practice for Engineering Drawing as given in the South African of Bureau Standards (SABS) (1993) and the South African National Standards (SANS) (2011) (Sotsaka, 2015) . These drawings are the means of communication in the engineering field, and must therefore be clear, complete and accurate, to prevent expensive or dangerous mistakes for manufacturers, producers or customers.  \nThe National Senior Certificate EGD examiners and moderators report (DBE, 2012- 2014) reflects that EGD learners encounter difficulties in attempting to answer questions pertaining to AD and highlights areas of learners","cbCaigMunfVVZqtq","https://ap.wps.com/l/cbCaigMunfVVZqtq","pdf",770099,16,"English","# Abstract\n# Introduction\n## Engineering Graphics Design (EGD) and Assembly Drawing (AD) in the NSC exam\n## Definitions and skill requirements of assembly drawing\n## Reported learner difficulties and misconceptions\n## Teachers’ pedagogical content knowledge (PCK) and specialized content knowledge (SCK)","[{\"question\":\"What relationship does the study examine in teaching Assembly Drawing?\",\"answer\":\"The study examines how teachers’ understanding of Assembly Drawing relates to how they teach Assembly Drawing, highlighting an interplay between teachers’ knowledge and their instructional practice.\"},{\"question\":\"Why is Assembly Drawing teaching considered important in this study?\",\"answer\":\"The study is motivated by evidence that EGD learners perform poorly in the AD section of the matriculation examination, suggesting that teaching quality may contribute to learner outcomes.\"},{\"question\":\"How was data collected from EGD teachers?\",\"answer\":\"Qualitative data were collected from 25 purpose-selected EGD teachers using open-ended questionnaires, focus group interviews, lesson plans, observations, and post-observation interviews.\"}]","Engineering Graphics and Design Teachers’ Understanding and Teaching of Assembly Drawing | PDF"]