Problem Analysis and Solution
The task involves solving elapsed time problems. We will calculate the duration between two times or determine the end time based on a given start time and duration. Let's solve each question step by step.
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Question 1:
Jibrilla started walking to school at 7:30 am and got to school by 8:00 am. How long did it take Jibrilla to get to school?
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Start Time: 7:30 am
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End Time: 8:00 am
To find the elapsed time:
- From 7:30 am to 8:00 am is exactly
30 minutes.
Answer: D) 30 minutes (half an hour)
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Question 2:
Elijah started reading at 10:30 am and finished 20 minutes later. What time did Elijah finish reading?
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Start Time: 10:30 am
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Duration: 20 minutes
To find the end time:
- Add 20 minutes to 10:30 am:
- 10:30 am + 20 minutes = 10:50 am
Answer: B) 10:50 am
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Question 3:
Lunch starts at 12:45 pm and ends at 1:15 pm. How long is lunch?
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Start Time: 12:45 pm
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End Time: 1:15 pm
To find the elapsed time:
- From 12:45 pm to 1:15 pm:
- 1:15 pm - 12:45 pm = 30 minutes
Answer: D) 30 minutes
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Question 4:
Recess begins at 1:30 pm and ends at 2:00 pm. How long is recess?
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Start Time: 1:30 pm
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End Time: 2:00 pm
To find the elapsed time:
- From 1:30 pm to 2:00 pm:
- 2:00 pm - 1:30 pm = 30 minutes
Answer: D) 30 minutes
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Question 5:
Gym class starts at 1:25 pm and lasts for 45 minutes. What time does Gym class end?
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Start Time: 1:25 pm
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Duration: 45 minutes
To find the end time:
- Add 45 minutes to 1:25 pm:
- 1:25 pm + 45 minutes = 2:10 pm
Answer: A) 2:10 pm
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Question 6:
Ms. Jones takes a water Zumba class that begins at 8:10 pm and lasts for 40 minutes. What time does the class end?
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Start Time: 8:10 pm
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Duration: 40 minutes
To find the end time:
- Add 40 minutes to 8:10 pm:
- 8:10 pm + 40 minutes = 8:50 pm
Answer: C) 9:00 pm
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Final Answers:
1.
D) 30 minutes (half an hour)
2.
B) 10:50 am
3.
D) 30 minutes
4.
D) 30 minutes
5.
A) 2:10 pm
6.
C) 9:00 pm
Boxed Final Answer:
\[
\boxed{D, B, D, D, A, C}
\]
Parent Tip: Review the logic above to help your child master the concept of time worksheet for grade 2 printable.