Bills of Materials & Balloons Scaffolded Phenomena-Based Lesson: Factory Line Shutdown from Purchased-Ball-Bearing & Weldment BOM Misclassification 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 Scaffolded Phenomena-Based Lesson in the Computer Aided Drafting II (grades 9–12) chapter Bills of Materials & Balloons, built around the phenomenon Factory Line Shutdown from Purchased-Ball-Bearing & Weldment BOM Misclassification. This scaffolded version adds sentence frames and extra supports for students who need them. It is sold separately from the other two parts of the set.

Complete the set: Bills of Materials & Balloons Scaffolded Phenomena-Based Lesson: Factory Line Shutdown from Purchased-Ball-Bearing & Weldment BOM Misclassification Presentation; Bills of Materials & Balloons Scaffolded Phenomena-Based Lesson: Factory Line Shutdown from Purchased-Ball-Bearing & Weldment BOM Misclassification Student Response Sheet. Original version: Bills of Materials & Balloons Phenomena-Based Lesson: Factory Line Shutdown from Purchased-Ball-Bearing & Weldment BOM Misclassification Teacher Discussion Guide.

Sections: Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Section 3: Scaffolded Science Talk Moves Matrix; Scaffolded Talk Move; Verbatim Facilitation Prompt & Talk Goal; Everyday Student Misconception (flawed Claim); Scientific Evidence & Intuitive Correction. Sample item: “Ask the class: How do CAD engineers configure Structured vs. Parts Only BOM views, the four BOM Structure Classifications (Normal, Purchased, Inseparable, Phantom), embedded iProperties, and associati”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 1,969 words, 7 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.