Dimensional Limits & Mechanical Fits Scaffolded Phenomena-Based Lesson: The Shaft That Got Stuck in the Press: HL-207 Teacher Discussion Guide | Pre-Engineering Drafting and Design | 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 Pre-Engineering Drafting and Design (grades 9–12) chapter Dimensional Limits & Mechanical Fits, built around the phenomenon The Shaft That Got Stuck in the Press: HL-207. 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: Dimensional Limits & Mechanical Fits Scaffolded Phenomena-Based Lesson: The Shaft That Got Stuck in the Press: HL-207 Presentation; Dimensional Limits & Mechanical Fits Scaffolded Phenomena-Based Lesson: The Shaft That Got Stuck in the Press: HL-207 Student Response Sheet.

Sections: Standards Alignment; Learning Goals; The Case - Read First; The Record - Dated Observations; How To Run The Talk; Talk Moves For The Teacher; The Record; Word Bank. Sample item: “1. What did the October 5, 2026 note work out about the RC4 fit? What does that number rule out from the start?”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 2,055 words, 7 pages).

Standards: Aligned to Career & Technical Education (CTE) program-of-study competencies for STEM — engineering and technology (drafting and design), with embedded academic literacy 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 Pre-Engineering Drafting and Design, 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.