Material Procurement & Cost Tracking Scaffolded Phenomena-Based Lesson: The Rusted-Out Treated Deck Screws, The 12× Board-Foot Math Error, & The 0.75 CPI Budget Blowout Teacher Discussion Guide | Engineering Projects | 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 Engineering Projects (grades 9–12) chapter Material Procurement & Cost Tracking, built around the phenomenon The Rusted-Out Treated Deck Screws, The 12× Board-Foot Math Error, & The 0.75 CPI Budget Blowout. 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: Material Procurement & Cost Tracking Scaffolded Phenomena-Based Lesson: The Rusted-Out Treated Deck Screws, The 12× Board-Foot Math Error, & The 0.75 CPI Budget Blowout Presentation; Material Procurement & Cost Tracking Scaffolded Phenomena-Based Lesson: The Rusted-Out Treated Deck Screws, The 12× Board-Foot Math Error, & The 0.75 CPI Budget Blowout Student Response Sheet.

Sections: Section 1: Standards & Learning Goals; Section 3: Scaffolded Science Talk Moves; Section 6: Word Bank; Section 7: Helping Struggling Learners; Material Procurement & Cost Tracking; Central Investigation Prompt:; Teacher Scoring Rubric; Final Score: _____ / 4 Initials: _____. Sample item: “• Why did 40 planks cost $3,072, not $480?”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 2,838 words, 8 pages); answer key / model answers for the teacher.

Standards: Aligned to ITEEA Standards for Technological and Engineering Literacy for Engineering Projects, 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 Engineering Projects, 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.