Mission Brief Teacher Guide
A comprehensive teacher guide for the 'Nine Case' lesson, detailing the detective-themed instructional steps, objectives, and discussion prompts.
Nine Case Slides
Visual presentation for the 'Nine Case' lesson, including embedded video, warm-up exercises, and a step-by-step reveal of the 'One Less' addition pattern.
Pattern Detective Worksheet
A detective-themed worksheet for 1st graders to practice 'plus 9' addition facts using the 'One Less' pattern strategy.
Clue Board Anchor Chart
A visual reference poster (anchor chart) showing the 'One Less' pattern for adding 9, designed with a detective evidence board aesthetic.