Eight Expert Slides
A vibrant, secret-agent themed slide deck for teaching the divisibility rule for 8. Includes a warm-up, embedded YouTube video, conceptual explanation of why the rule works using the number 1,000, and instructions for a sorting activity.
Codebreaker Sorting Kit
A student sorting activity set featuring a two-page document: a Secret Agent themed sorting mat and a sheet of 12 large-number evidence cards for students to cut, analyze, and categorize using the divisibility rule for 8.
Mission Intel Teacher Guide
A comprehensive teacher facilitation guide for the Rule of Eight lesson. Includes mission objectives, a minute-by-minute pacing guide, conceptual discussion prompts, and a master answer key for the Codebreaker sorting activity.