Solving Elapsed Time Problems 1. Find the start time. 2. Find the end time. 3. Draw a number line. 4. Write the start and end times on the number line. 5. Write on the number line the hour (o’clock) that comes after the start time. 6. Write on the number line the hour (o’clock) that comes before the end time. 7. Figure out how many minutes are between the start time and the next hour. (Remember 60 minutes = 1 hour). Then write the minutes. 8. Figure out how many minutes are between the end time and previous hour. Then write the minutes. 9. Figure out how many hours are between the next hour and previous hour. Write the hours. 10. Add all the minutes and hours. EXAMPLE: Sam started soccer practice at 3:45. He finished at 6:05. How long was soccer practice? end start 3:45 4:00 15 min. 6:00
2 hrs. 5 min. 15 min + 5 min 2 hrs. 20 min. 6:05