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Elapsed time

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Intros
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Lessons
  1. Finding elapsed time by counting the hours and minutes
  2. Finding elapsed time by counting minutes by 5s and using a number line
  3. How to regroup and exchange when adding and subtracting time
  4. Adding time on a grid
  5. Subtracting time on a grid
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Examples
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Lessons
  1. Elapsed Time for Seconds or Minutes
    Compare the two times to get the elapsed time. Give the elapsed time in appropriate units.

    1. Elapsed Time

    2. Elapsed Time

    3. Elapsed Time

    4. Elapsed Time

    5. Elapsed Time

    6. Elapsed Time
  2. Elapsed Time for Hours and Minutes
    Find the elapsed time. Count the number of hours and minutes separately.
    1. From 3:10PM to 6:15PM
    2. From 10:30AM to 5:45PM
    3. From 9:25PM to 2:48AM
    4. From 8:45AM to 11:00AM
    5. From 12:53AM to 1:02PM
  3. Elapsed Time on a Number Line
    Finish labelling the number lines to help find the elapsed time. (Note: markings are not to scale)

    1. Elapsed Time

    2. Elapsed Time

    3. Elapsed Time

    4. Elapsed Time
  4. Elapsed Time - Word Problems for Adding and Subtracting Times
    Answer the word problem by adding and subtracting times on a grid. Make sure to regroup and exchange where necessary.
    1. Arthur's movie started at 7:50PM in the theatre. The movie's run time was 2 hours and 51 minutes. What time did Arthur's movie finish?
      Elapsed Time
    2. Wayne started cooking dinner at 5:36PM. It took him 1 hour and 39 minutes to finish cooking. What time did he start eating his dinner?
      Elapsed Time
    3. Kim and her family arrived at the Hawaii airport at 2:35PM. They travelled for 5 hours and 42 minutes. What time did they leave home?
      Elapsed Time
    4. Bianca arrived at the airport in Athens at 1:18AM. She travelled 6 hours and 58 minutes to get there. What time did she leave home?
      Elapsed Time