🔍 Crack the Code on Place Value!Are your students struggling to line up their numbers or forgetting to start with the ones column? Make math a mystery to be solved with Place Value Detectives. This comprehensive resource guides students from basic ten-frame visualization to mastering vertical addition and subtraction within 100. This isn't just a worksheet pack—it is a full, scripted lesson plan designed to save you time and build deep conceptual understanding. 📂 What’s Included in the Cas