Fraction Detective Slides
A slide deck for the Fraction Detective lesson, featuring a blackboard theme, warm-up exercises, an embedded Mr. J video segment, and clear step-by-step instructions for the main error analysis activity.
Case Files Worksheet
The Case Files: Fraction Detective worksheet presents students with three 'suspect' math problems containing common errors. Students must use a red pen to circle errors, explain the mathematical misconception, and provide a corrected solution.
The Red Pen Guide Teacher Resource
The Red Pen Guide is a teacher-facing resource providing a clear lesson overview, pacing guide, comprehensive answer key for the Case Files worksheet, and high-leverage teaching tips to facilitate the Fraction Detective lesson.
Letter to Trainee Extension
A letter-writing extension activity where students practice mathematical communication by explaining the logic behind fraction subtraction to a 'trainee' detective, reinforcing their understanding of common denominators and the renaming process.