🧾 Investigation Notebook Defense

Partners complete the final performance task by presenting one solved pantry inventory problem and the evidence trail from estimate to conclusion, then submit their finished Division Detective Investigation Notebook caption. The teacher uses a rubric checkpoint to confirm that students can justify the method, interpret the quotient in context, and name one limitation, anomaly, or next step. Students close with a brief written reflection that names the model they used most effectively and how it helped them compare quantities fairly.