When teaching elementary students about elapsed time, make it personal and fun! This easy-to-use math project lets students in 3rd, 4th, 5th, or 6th grade learn about measuring the duration of time (time intervals) as they plan their perfect day. Students learn what elapsed time is and practice calculating it with a schedule of a teacher’s perfect day (don't worry, I included a $ store run AND a nap!). Then they create their own perfect 15-hour day, and they calculate the elapsed time of