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Elapsed Time

Elapsed Time. Elapsed Time. The difference between two times. Step 1. Count the Hours. For example: 7:10 – 10:55. Step 1. Count the Hours. For example: 7 :10 – 10 :55. 3 hours. Step 2. Count the Minutes. For example: 7:10 – 10:55. Step 2. Count the Minutes.

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Elapsed Time

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  1. Elapsed Time

  2. Elapsed Time The difference between two times.

  3. Step 1 Count the Hours For example: 7:10 – 10:55

  4. Step 1 Count the Hours For example: 7:10 – 10:55 3 hours

  5. Step 2 Count the Minutes For example: 7:10 – 10:55

  6. Step 2 Count the Minutes For example: 7:10 – 10:55 45 minutes

  7. Step 3 Write the elapsed time 3 hours and 45 minutes

  8. The elapsed time line The elapsed time line helps me keep track of the time that has passed. Start: 7:10 End: 10:55

  9. The elapsed time line Start: 7:10 End: 10:55 1h 1h 30m 1h 5 m 10m 7:10 8:10 9:10 10:10 10:40 10:55 10:50

  10. The elapsed time line Start: 7:10 End: 10:55 3 hours 45 minutes 1h 1h 30m 5 m 1h 10m 7:10 8:10 9:10 10:10 10:40 10:55 10:50 3 hours and 45 minutes

  11. How long does it take to fly from Houston to Orlando? Departure Time Houston 8:00 am Arrival Time Orlando 11:10 am From 8:00 am to 11:00 am is 3 hours. Count 10 minutes from 11:00 am until 11:10 am

  12. ANSWER It takes 3 hours and 10 minutes to fly from Houston to Orlando.

  13. Natalie and Maria left the school at 3:05 pm. They walked for 14 minutes before arriving at Maria’s house. What time did they arrive at Maria’s house? 3:05 + 14 = 3:19

  14. The Garza’s will visit their cousin, who lives 3 hours and 10 minutes away. They want to get there at 11:30 am. What time should they leave? Subtract the time 11:30 – 3:10 = 8:20 They need to leave at 8:20 am.

  15. The sun set at 7:00 pm. It rose the next morning at 5:15 am. How much time passed from sunset to sunrise? Count the hours 7:00 – 5:15 (10 hours) Count the minutes 7:00 – 5:15 (15 minutes) From sunset to sunrise, there was 10 hours and 15 minutes.

  16. Mario scored a touchdown at 7:48 pm. Julio intercepted a pass and scored a touchdown 11 minutes later. What time did Julio score the second touchdown? Count the minutes 7:48 + 11 = 59. Julio’s touchdown happened at 7:59 pm.

  17. Your dance partner arrives at 3:30 pm and leaves at 7:45 pm. How long did you practice together? Count the hours 3:30 – 7:45 (4 hours) Count the minutes (15 minutes) You practiced 4 hours and 15 minutes together.

  18. Your Turn Get out your book Turn to p. 387 Do the following problems: 7, 9, 12, 14, 16, 18, 20-24

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