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Time Conversion and Duration

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Time Conversion and Duration

Convert between seconds, minutes and hours. Show your working for calculation questions.

Time unit conversions

1.Convert 4 hours into minutes.

2.Convert 540 seconds into minutes.

3.Convert 1.75 hours into minutes.

4.How many seconds are in 35 minutes? Choose one answer.

2,100 seconds
350 seconds
1,500 seconds

5.What is 2.4 hours written as hours and minutes? Choose one answer.

2 hours 24 minutes
2 hours 40 minutes
2 hours 4 minutes

Working with duration

6.A kapa haka practice begins at 3:35 pm and ends at 5:05 pm. How long does the practice last?

7.A theatre show runs for 1 hour 55 minutes. It starts at 6:40 pm. What time does it finish?

8.Tevita practises guitar for ⅔ of an hour, then spends 25 minutes reading music. What is her total practice time in minutes?

9.A ferry crossing takes 110 minutes. Write the duration in hours and minutes.

Timetable challenge

Use the departure timetable below to answer each question. Times are for the same morning.

Stop

Arrival time

Town Wharf

8:25 am

Aquarium

8:43 am

Marina

9:02 am

Island Pier

9:21 am

10.According to the Harbour shuttle timetable, how long is the trip from Town Wharf to the Aquarium?

11.According to the Harbour shuttle timetable, how long does the whole trip take from Town Wharf to Island Pier?

12.A second shuttle leaves Town Wharf 35 minutes after the 8:25 am departure. If it follows the same journey duration as the timetable, what time will it reach Island Pier?

13.Plan a school morning with at least four lessons. For each lesson, write a start time, an end time and its duration. Include one break that lasts ⅓ of an hour.