# Elapsed Time Hour Minutes Start Time End Time

• Slides: 9

Elapsed Time • Hour • Minutes • Start Time • End Time • T chart

Hour • One hour is equal to 60 minutes. Let’s say your start time is 5: 00 am if you go a full hour your end time would be… Let’s say your start time is 4: 37 pm if you go a full hour your end time would be… Let’s say your start time is 3: 45 pm if you go a full hour your end time would be…

Minutes • 60 minutes equals one hour. • 30 minutes equals ½ an hour. • Sometimes we say it’s a quarter till ___ this means it’s 25 minutes until the end of that hour. • Sometimes we say it’s half past ___ which means it’s 30 minutes past the hour.

Start Time • Your start time is the time when your event began. • This should be listed on the right side of your T chart. Start Time Hours End Time Minutes

End Time • The end time is when you event has ended. • This time should be listed on the left side of your T chart. Start Time Hours End Time Minutes

T Chart Start Time 3: 25 Hours 3: 25 -4: 25 1 hour 4: 25 -5: 25 1 hour 5: 25 -6: 25 1 hour End Time 6: 38 Minutes 6: 25 -6: 30 5 min 6: 30 -6: 35 5 min 6: 35 -6: 38 3 min Total Elapsed Time: 3 hours and 13 min

Try it out! Make a T Chart Jessica puts cookies in the oven at 7: 00 A. M. They need to cook for 18 minutes. What time should Jessica take the cookies out of the oven? Start Time: End Time: Hours Minutes

Try it out! Sarah rents a movie that is 1 hour and 24 minutes long. She starts watching the movie at 5: 00 P. M. What time will the movie end? Start Time: End Time: Hours: Minutes:

On your own! 1. Michael begins reading his book at 8: 00 A. M. He stops reading at 9: 04. How long did Michael read his book? 2. Bob left for his grandmother's house at 5: 00 A. M. He drove for 2 hours and 22 minutes. What time did he arrive? 3. Paul and Norm worked on a project from 3: 00 P. M. to 4: 13 P. M. How long did they work on the project? 4. Cassandra's watch says it is 2: 00 P. M. She will go to dinner in 3 hours and 20 minutes. What time will she go to dinner?