Elapsed Time Quiz

Grade 3 · Math · Quiz

Practice finding elapsed time, start time, and end time using clocks and timelines.

Questions

1. Practice starts at 3:30 PM and ends at 5:00 PM. How long is practice?

   1. 1 hour
   2. 1 hour 30 minutes
   3. 2 hours
   4. 2 hours 30 minutes
   Show answer

   Answer: 1 hour 30 minutes

   3:30 to 5:00: from 3:30 to 4:30 is 1 hour, then 4:30 to 5:00 is 30 minutes. Total: 1 hour 30 minutes.

2. Jake started reading at 7:00 PM. He read for 45 minutes. When did he finish?

   1. 7:30 PM
   2. 7:45 PM
   3. 8:00 PM
   4. 8:15 PM
   Show answer

   Answer: 7:45 PM

   7:00 + 45 minutes = 7:45 PM.

3. A cooking class ends at 1:15 PM and lasted 1 hour 30 minutes. When did it start?

   1. 11:15 AM
   2. 11:45 AM
   3. 12:15 PM
   4. 12:45 PM
   Show answer

   Answer: 11:45 AM

   Subtract 1 hour 30 minutes from 1:15 PM. 1:15 - 1 hour = 12:15 PM. 12:15 - 30 minutes = 11:45 AM.

4. A 90-minute movie that starts at 2:00 PM ends at 3:30 PM.

   Show answer

   Answer: True

   90 minutes = 1 hour 30 minutes. 2:00 + 1 hr = 3:00, + 30 min = 3:30 PM.

5. How many minutes are in 2 hours?

   1. 100
   2. 110
   3. 120
   4. 130
   Show answer

   Answer: 120

   60 minutes × 2 hours = 120 minutes.

6. Recess is from 10:25 AM to 10:50 AM. How long is recess?

   1. 15 minutes
   2. 20 minutes
   3. 25 minutes
   4. 30 minutes
   Show answer

   Answer: 25 minutes

   From 10:25 to 10:50: count the minutes. 10:50 - 10:25 = 25 minutes.

7. A train departs at 9:00 AM and arrives at 11:35 AM. The trip takes ___ hours and ___ minutes. (Write as H:MM, e.g., 2:35)

   Show answer

   Answer: 2:35

   9:00 to 11:00 = 2 hours. 11:00 to 11:35 = 35 minutes. Total: 2 hours 35 minutes.

8. A dentist appointment starts at 2:40 PM and lasts 35 minutes. When does it end?

   1. 3:05 PM
   2. 3:10 PM
   3. 3:15 PM
   4. 3:20 PM
   Show answer

   Answer: 3:15 PM

   2:40 + 35 minutes: 2:40 + 20 = 3:00, then + 15 = 3:15 PM.

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