Elapsed Time Word Problems 3Rd Grade - Free Printable

Elapsed Time Word Problems

Here are the solutions to the problems step by step:

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#### Problem 1:
Sam starts from home at 6:30 a.m. and reaches school at 7:25 a.m. What is the duration of time he has taken to reach school?

- Start Time: 6:30 a.m.
- End Time: 7:25 a.m.

To calculate the elapsed time:
1. From 6:30 a.m. to 7:00 a.m. is 30 minutes.
2. From 7:00 a.m. to 7:25 a.m. is 25 minutes.
3. Total elapsed time = 30 minutes + 25 minutes = 55 minutes.

Answer: The duration of time Sam took to reach school is 55 minutes.

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#### Problem 2:
A cricket match commenced at 10:15 a.m. and concluded at 5:50 p.m. Find the time duration of the cricket match.

- Start Time: 10:15 a.m.
- End Time: 5:50 p.m.

To calculate the elapsed time:
1. From 10:15 a.m. to 12:00 p.m. (noon) is 1 hour and 45 minutes.
2. From 12:00 p.m. to 5:00 p.m. is 5 hours.
3. From 5:00 p.m. to 5:50 p.m. is 50 minutes.
4. Total elapsed time = 1 hour 45 minutes + 5 hours + 50 minutes.
- Convert everything to minutes for simplicity:
- 1 hour 45 minutes = 105 minutes.
- 5 hours = 300 minutes.
- 50 minutes = 50 minutes.
- Total = 105 + 300 + 50 = 455 minutes.
- Convert 455 minutes back to hours and minutes:
- 455 minutes ÷ 60 = 7 hours and 35 minutes.

Answer: The duration of the cricket match is 7 hours and 35 minutes.

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#### Problem 3:
An airplane leaves an airport at 1:10 a.m. and reaches another airport at 2:00 p.m. Find the flying time of the airplane.

- Start Time: 1:10 a.m.
- End Time: 2:00 p.m.

To calculate the elapsed time:
1. From 1:10 a.m. to 12:00 p.m. (noon) is 10 hours and 50 minutes.
2. From 12:00 p.m. to 2:00 p.m. is 2 hours.
3. Total elapsed time = 10 hours 50 minutes + 2 hours.
- Convert everything to minutes for simplicity:
- 10 hours 50 minutes = 650 minutes.
- 2 hours = 120 minutes.
- Total = 650 + 120 = 770 minutes.
- Convert 770 minutes back to hours and minutes:
- 770 minutes ÷ 60 = 12 hours and 50 minutes.

Answer: The flying time of the airplane is 12 hours and 50 minutes.

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#### Problem 4:
The school interval begins at 10:45 a.m. The duration of the interval is 20 minutes. At what time does the interval end?

- Start Time: 10:45 a.m.
- Duration: 20 minutes

To find the end time:
1. Add 20 minutes to 10:45 a.m.
- 10:45 a.m. + 20 minutes = 11:05 a.m.

Answer: The interval ends at 11:05 a.m..

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Final Answers:

1. 55 minutes
2. 7 hours and 35 minutes
3. 12 hours and 50 minutes
4. 11:05 a.m.

Boxed Answers:
1. \(\boxed{55 \text{ minutes}}\)
2. \(\boxed{7 \text{ hours and } 35 \text{ minutes}}\)
3. \(\boxed{12 \text{ hours and } 50 \text{ minutes}}\)
4. \(\boxed{11:05 \text{ a.m.}}\)