Time intervals and duration

Working out how much time has passed between two times

Name:

Date:

Try each question. If you're stuck, leave it and come back. The answer key is on the last page.

1
How many minutes are there from 9:00 to 9:45? From 9:00 to 9:45 = ___ minutes
Answer:
2
How long is it from 2:00 to 2:30? A) 15 minutes B) 20 minutes C) 30 minutes D) 60 minutes
Answer:
3
Show 7:30 on the clock face.
Answer:
4
Show 10:00 on the clock face.
Answer:
5
How many minutes from 9:15 to 10:00? From 9:15 to 10:00 = ___ minutes
Answer:
6
A film starts at 3:30 and ends at 4:15. How long is the film? A) 30 minutes B) 45 minutes C) 1 hour D) 1 hour 15 minutes
Answer:
7
Show quarter past 4 on the clock face.
Answer:
8
How many minutes from 11:45 to 12:30? From 11:45 to 12:30 = ___ minutes
Answer:
9
A lesson runs from 1:20 until 2:05. How long is the lesson? A) 35 minutes B) 40 minutes C) 45 minutes D) 50 minutes
Answer:
10
A train leaves at 8:50 and arrives at 9:35. How long is the journey? A) 35 minutes B) 40 minutes C) 45 minutes D) 50 minutes
Answer:

Answer key

Time intervals and duration · for parents and teachers

1
45
9:00 to 9:45 is 45 minutes. The hour stays the same, so just look at the minutes.
2
30 minutes
2:30 means 30 minutes past 2:00, so the gap is 30 minutes.
3
7:30
7:30 means half past 7. Hour hand halfway between 7 and 8, minute hand on the 6.
4
10:00
10:00 means the hour hand points at 10 and the minute hand points at 12.
5
45
9:15 to 9:30 = 15 minutes, and 9:30 to 10:00 = 30 minutes. Total = 45 minutes.
6
45 minutes
3:30 to 4:00 = 30 minutes, and 4:00 to 4:15 = 15 minutes. Total = 45 minutes.
7
4:15
Quarter past 4 = 4:15. Minute hand points at the 3, hour hand just past 4.
8
45
11:45 to 12:00 = 15 min, and 12:00 to 12:30 = 30 min. Total = 45 minutes.
9
45 minutes
1:20 to 2:00 = 40 min, and 2:00 to 2:05 = 5 min. Total = 45 minutes.
10
45 minutes
8:50 to 9:00 = 10 min, and 9:00 to 9:35 = 35 min. Total = 45 minutes.