Section Views & Working Drawings Phenomena-Based Lesson: Machined Hollow Shaft Disaster from Longitudinal Section Hatching & Offset Step Confusion Teacher Discussion Guide | Computer Aided Drafting II | Grades 9–12

This is the teacher discussion guide, with lesson flow, facilitation questions, anticipated student ideas and model explanations for leading the class discussion for the Phenomena-Based Lesson in the Computer Aided Drafting II (grades 9–12) chapter Section Views & Working Drawings, built around the phenomenon Machined Hollow Shaft Disaster from Longitudinal Section Hatching & Offset Step Confusion. It is sold separately from the other two parts of the set.

Complete the set: Section Views & Working Drawings Phenomena-Based Lesson: Machined Hollow Shaft Disaster from Longitudinal Section Hatching & Offset Step Confusion Presentation; Section Views & Working Drawings Phenomena-Based Lesson: Machined Hollow Shaft Disaster from Longitudinal Section Hatching & Offset Step Confusion Student Response Sheet. Scaffolded version: Section Views & Working Drawings Scaffolded Phenomena-Based Lesson: Machined Hollow Shaft Disaster from Longitudinal Section Hatching & Offset Step Confusion Teacher Discussion Guide.

Sections: Learning Goals; Dimension / Standard; Performance Expectation & Practices Alignment; Slides; Segment; Focus Activity & Instructional Goal; Anchoring Driving Question (student Sensemaking):; Teacher Script (read Aloud To Introduce Phenomenon):. Sample item: “• Tier 3 Transfer: Why does ASME Y14.3 prohibit cross-hatching solid fasteners, shafts, dowel pins, keys, and thin structural ribs/webs when the cutting plane slices parallel to their longitudinal axi”

What's inside: Teacher Discussion Guide (editable .docx + PDF, about 2,295 words, 8 pages); answer key / model answers for the teacher.

Standards: Aligned to ITEEA Standards for Technological and Engineering Literacy for Computer Aided Drafting II, with embedded engineering design practices and career-readiness skills.

Resource type: Phenomena-Based Lesson – Teacher Discussion Guide. Format: editable Microsoft Word file plus a ready-to-print PDF.

Classroom use: Open with the phenomenon slide show, let students record ideas on the response sheet, and lead the discussion with the teacher guide. Built for Computer Aided Drafting II, grades 9–12.

Format note: These files are delivered in Microsoft Office formats (Word and/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.