Lesson created for maximum engagement, have your 3rd graders solve a math mystery using elapsed time! Also, great for review telling time and elapsed time. This lesson is incredibly interesting and fun for students. I have included a welcome video to walk you through how to use this INCREDIBLY easy lesson. The three lessons included are: (1) telling time (2) elapsed time (3) more elapsed time practice. My lessons include warm-up questions, Youtube links to videos that includes instruction,