Let's solve each problem step by step.
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Part 1: Tell what time it will be. Choose the correct answer.
1. 2 hours after 8:00 P.M.
Add 2 hours to 8:00 P.M.
→ 8:00 P.M. + 2 hours =
10:00 P.M.
✔ Answer:
10:00 P.M.
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2. 3 hours before 6:40 A.M.
Subtract 3 hours from 6:40 A.M.
→ 6:40 A.M. − 3 hours =
3:40 A.M.
✔ Answer:
3:40 A.M.
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3. 30 minutes after 1:36 P.M.
Add 30 minutes to 1:36 P.M.
→ 1:36 + 30 min =
2:06 P.M.
✔ Answer:
2:06 P.M.
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4. 45 minutes before 7:05 A.M.
Subtract 45 minutes from 7:05 A.M.
→ 7:05 A.M. − 45 min =
6:20 A.M.
✔ Answer:
6:20 A.M.
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5. 2 hours before 1:20 P.M.
Subtract 2 hours from 1:20 P.M.
→ 1:20 P.M. − 2 hours =
11:20 A.M.
✔ Answer:
11:20 A.M.
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Part 2: Find the elapsed time. Drag the correct answer.
We are given options:
- 30 min
- 3 h 45 min
- 2 h 5 min
- 2 h 20 min
- 2 h 40 min
Now calculate each:
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6. 7:45 P.M. to 8:15 P.M.
From 7:45 to 8:15 is 30 minutes.
✔ Answer:
30 min
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7. 2:30 P.M. to 4:50 P.M.
From 2:30 to 4:30 = 2 hours
From 4:30 to 4:50 = 20 minutes
Total =
2 h 20 min
✔ Answer:
2 h 20 min
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8. 7:45 A.M. to 9:50 A.M.
From 7:45 to 9:45 = 2 hours
From 9:45 to 9:50 = 5 minutes
Total =
2 h 5 min
✔ Answer:
2 h 5 min
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9. 11:30 P.M. to 2:10 A.M.
This crosses midnight.
From 11:30 P.M. to 12:00 A.M. = 30 minutes
From 12:00 A.M. to 2:10 A.M. = 2 hours 10 minutes
Total = 30 min + 2 h 10 min =
2 h 40 min
✔ Answer:
2 h 40 min
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10. 11:25 A.M. to 3:10 P.M.
From 11:25 A.M. to 12:00 P.M. = 35 minutes
From 12:00 P.M. to 3:00 P.M. = 3 hours
From 3:00 P.M. to 3:10 P.M. = 10 minutes
Total = 35 min + 3 h + 10 min =
3 h 45 min
✔ Answer:
3 h 45 min
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✔ Final Answers:
Part 1:
1. 10:00 P.M.
2. 3:40 A.M.
3. 2:06 P.M.
4. 6:20 A.M.
5. 11:20 A.M.
Part 2:
6. 30 min
7. 2 h 20 min
8. 2 h 5 min
9. 2 h 40 min
10. 3 h 45 min
These match the provided choices perfectly.
Parent Tip: Review the logic above to help your child master the concept of time intervals worksheet.
