﻿ Elapsed Time Worksheet | Problems & Solutions

# Elapsed Time Worksheet

Elapsed Time Worksheet
• Page 1
1.
A music company launched a new audio CD that has 15 songs. The duration of each song is 5 minutes. Anny bought one CD and started listening to the songs at 11:30 A.M. At what time would she finish listening to all the songs in the CD?
 a. 12:25 P.M. b. 12:45 P.M. c. 12:45 A.M. d. 12:25 A.M.

2.
Ken goes for a morning walk for an hour. He returns home by 7:30 A.M. What time does he start for his morning walk?
 a. 8:00 A.M. b. 8:30 A.M. c. 6:30 A.M. d. 7:20 A.M.

3.
The favorite program of Tom on television starts at 4:30 P.M. and it is of 2 hours duration. What time would the clock show when the program ends?
 a. 7:30 P.M. b. 5:30 P.M. c. 6:30 P.M. d. 4:30 P.M.

4.
Tom reached his school at 8:45 a.m. on Monday. It takes quarter of an hour from his house to reach his school. At what time did he start from his house?
 a. 7:45 a.m. b. 8:30 a.m. c. 8:15 a.m. d. 8:00 a.m.

5.
Mary started doing her Math assignment at 10.35 a.m. She completed it at 12.45 p.m. Find the elapsed time.
 a. 2 hours b. 1 hour 10 minutes c. 2 hours 10 minutes d. 3 hours 10 minutes

#### Solution:

Elapsed time = Starting time of the assignment - Ending time of the assignment.

[Subtract.]

Therefore, the elapsed time is 2 hours 10 minutes.

6.
Victor started taking his lunch at 12:20 p.m. He took 25 minutes for his lunch. At what time did he finish his lunch?
 a. 12:45 P.M. b. 12:45 A.M. c. 12:35 A.M. d. 12:50 P.M.

#### Solution:

Time at which Victor started having his lunch is 12:20 P.M.

Duration of his lunch is 25 minutes.

To find the time at which he finished his lunch, we need to add the duration of his lunch to the time at which he started having his lunch.

Victor finished his lunch by 12:45 P.M.

7.
Marissa reached her college at 9:50 a.m. What time did she start from home, if she took 35 minutes to reach her college?
 a. 9:15 P.M. b. 8:55 A.M. c. 9:15 A.M. d. 9:10 A.M.

#### Solution:

Time at which Marissa reaches her college is 9:50 A.M.

Duration of her journey to college is 35 minutes.

To find the time at which she starts from her house, subtract the time of her journey to college from the time she reaches her college.

[Subtract.]

Marissa started at 9:15 A.M.

8.
Find the elapsed time.

2:32 P.M to 5:13 P.M.
 a. 1 hour 36 minutes b. 2 hours 41 minutes c. 2 hours 81 minutes d. 3 hours 19 minutes

9.
Find the time elapsed.
5:37 A.M. to 9:32 A.M.
 a. 3 h 50 min b. 3 h 54 min c. 3 h 55 min d. 3 h 56 min