⭐ About This ResourceThis 3rd grade elapsed time project-based learning (PBL) activity puts students in the role of a movie theater manager, where they must create a showtime schedule that ensures movies do not overlap and allows enough time for cleaning between showings. This engaging real world math project helps students apply elapsed time and time interval skills in a meaningful, hands-on scenario. Designed for 3rd or 4th grade, this activity blends problem solving, planning, and critic