Number Crackers Teacher Guide
Detailed teacher facilitation guide including objective, mission timeline, and instructional prompts for the video viewing and group activity.
Root Investigation Slides
Instructional slide deck for the Number Crackers lesson, including divisibility rules, step-by-step factorization process, embedded tutorial videos, and the Boss Level challenge.
Number Crackers Rubric
Assessment rubric for the 'Boss Level' challenge, evaluating divisibility rule application, factorization logic, mental math strategies, and group collaboration.
Number Crackers Role Cards
Mission-themed role cards for the group activity, assigning specific mathematical and collaborative responsibilities (Infiltrator, Ghost, Handler, Operator) to students.
Number Crackers Case File
Student activity worksheet for recording the 'Boss Level' factorization process, divisibility rule application, and final verification.
Number Crackers Answer Key
Answer key for the 'Boss Level' Case File, including the complete prime factorization tree for 21,316 and the terminal digit logic.
