Let's solve each of these
elapsed time word problems step by step.
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Problem 1:
Your mother went to the kitchen at 11 o'clock. She cooked for 1 hour. At what time did she finish cooking?
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Start time: 11:00
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Duration: 1 hour
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Finish time: 11:00 + 1 hour =
12:00
✔ Answer: She finished cooking at
12 o'clock.
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Problem 2:
Megan left for her morning walk at 5 o'clock. She came back at 7 o'clock. How long was she away?
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Start time: 5:00
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End time: 7:00
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Elapsed time: 7:00 - 5:00 =
2 hours
✔ Answer: Megan was away for
2 hours.
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Problem 3:
A baseball game started at 10 o'clock. It ended at 1 o'clock. How long was the game?
-
Start time: 10:00
-
End time: 1:00 (which is 1 PM)
- We need to calculate from 10 AM to 1 PM:
- From 10:00 to 12:00 = 2 hours
- From 12:00 to 1:00 = 1 hour
- Total = 2 + 1 =
3 hours
✔ Answer: The game lasted
3 hours.
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Problem 4:
Jenifer spent 1 hour working on a science project. If she started at 4 o'clock, at what time did she finish?
-
Start time: 4:00
-
Duration: 1 hour
-
Finish time: 4:00 + 1 hour =
5:00
✔ Answer: She finished at
5 o'clock.
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✔ Final Answers:
1.
12 o'clock
2.
2 hours
3.
3 hours
4.
5 o'clock
Let me know if you'd like these explained with number lines or visual aids!
Parent Tip: Review the logic above to help your child master the concept of time problem solving worksheet for.
