Turn your 1st graders into "Length Detectives" with this complete, 60-minute lesson plan!Are you struggling to teach the concept of "no gaps, no overlaps"? Do your students need help comparing objects that can't be moved? This comprehensive resource packs a punch with direct instruction, hands-on activities, and the "Go-Between" strategy to master measurement standards. ✨ WHAT'S INSIDE THIS RESOURCE:Complete 60-Minute Lesson Plan: Scripted sections including the "Line-Up" hook, direct instructi