Class 4 Maths — Time and how long things last
Work out how long something lasts, including when it runs past the hour, and find a start or finish time from a duration.
Name: ________________________
1.A lesson starts at 9:20 am and ends at 10:05 am. How many minutes long is it?
2.Match each start and finish time to how many minutes it lasts.
- 10:00 to 10:20
- 10:00 to 10:35
- 9:45 to 10:30
- 11:20 to 12:30
- 35
- 20
- 70
- 45
3.How many minutes are there in 3 hours?
4.A match starts at 2:15 pm and lasts 90 minutes. At what time does it end? Write it like 4:30.
5.How many minutes are there in two and a half hours?
6.A bus journey takes 35 minutes and must arrive at 8:15 am. At what time must the bus leave? Write it like 7:05.
7.Which of these is the longest time?
- a) 2 hours
- b) 1 hour 30 minutes
- c) 95 minutes
- d) 100 minutes
8.A clock shows 7:45. What time will it be in 40 minutes?
- a) 8:05
- b) 8:25
- c) 7:85
- d) 8:15
Answer key — Class 4 Maths — Time and how long things last
- 1. 45
- 2. 10:00 to 10:20 → 20; 10:00 to 10:35 → 35; 9:45 to 10:30 → 45; 11:20 to 12:30 → 70
- 3. 180
- 4.
- 3:45
- 3.45
- quarter to four
- 3:45 pm
- 5. 150
- 6.
- 7:40
- 7.40
- twenty to eight
- 7:40 am
- 7. a) 2 hours
- 8. b) 8:25