Time intervals

The Maths Habit Handout to print

A film runs from 7:50 to 9:20.
Sam works out 9.20 − 7.50 = 1.70 and says it lasts 1 hour 70 minutes.
What has gone wrong?

An hour has 60 minutes, not 100. The film lasts 1 h 30 min.

How many minutes to the next hour?

  1. 07:45

    15 min
  2. 13:20

    40 min
  3. 09:05

    55 min
  4. 16:38

    22 min

Time interval
The length of time between two times.

Hop to the next hour first.

How long is it from 13:35 to 17:10?

How long is it from 06:50 to 09:20?

2 h 30 min

How long is it from 11:25 to 14:10?

2 h 45 min

How long is it from 06:50 to 09:20?

2 h 30 min

How long is it from 15:38 to 18:05?

2 h 27 min

How long is it from 06:50 to 09:20?

2 h 30 min

A coach leaves at 10:35 and arrives at 12:20. How long is the journey?

1 h 45 min

How long is it from 06:50 to 09:20?

2 h 30 min

How long is it from 11:48 to 16:30?

4 h 42 min

How long is it from 06:50 to 09:20?

2 h 30 min

How long is it from 07:25 to 10:50?

3 h 25 min

How long is it from 10:50 am to 3:20 pm?

Time intervals worksheet, page 1

Time intervals worksheet, page 2

Answer sheet

  1. A film lasts 2 hours 35 minutes and finishes at 22:10. When did it start?

    19:35
  2. A night shift runs from 22:30 to 06:15 the next morning. How long is it?

    7 h 45 min

  1. How long is it from 08:35 to 11:20?

    2 h 45 min
  2. How long is it from 10:40 am to 2:15 pm?

    3 h 35 min
  3. A film starts at 18:50 and lasts 2 h 25 min. What time does it finish?

    21:15
Exit tickets to print