Mortar Classifications & Strength Ratings Phenomena-Based Lesson: Hard Mortar, Soft Brick: The Annex Repointing Failure Presentation | Masonry | Grades 9–12

This is the student-facing slide presentation that introduces the phenomenon, walks the class through observations and driving questions, and frames the evidence students will use for the Phenomena-Based Lesson in the Masonry (grades 9–12) chapter Mortar Classifications & Strength Ratings, built around the phenomenon Hard Mortar, Soft Brick: The Annex Repointing Failure. It is sold separately from the other two parts of the set.

• What's inside: Student Slide Show (editable .pptx + PDF, 11 slides).
• Resource type: Phenomena-Based Lesson – Presentation. Format: editable Microsoft PowerPoint 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 Masonry, grades 9–12.

Sample question“1. What does the October 5, 2026 inspection note say about the original mortar, the brick faces, and which part of the wall was softest?”

Complete the set: Mortar Classifications & Strength Ratings Phenomena-Based Lesson: Hard Mortar, Soft Brick: The Annex Repointing Failure Teacher Discussion Guide; Mortar Classifications & Strength Ratings Phenomena-Based Lesson: Hard Mortar, Soft Brick: The Annex Repointing Failure Student Response Sheet. Scaffolded version: Mortar Classifications & Strength Ratings Scaffolded Phenomena-Based Lesson: Hard Mortar, Soft Brick: The Annex Repointing Failure Presentation.