smc-903-50-Reading 12/24 hr time

Measurement, NAP-L3-CA17

This is part of a timetable for the ferry from Apollo Road to West End.

Skye is catching a ferry from Apollo Road to West End.

She catches the first ferry that leaves Apollo Road after 1 pm.

At what time will Skye arrive at West End?

12:41 pm	1:09 pm	1:12 pm	1:41 pm	2:41 pm

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`2:41\ text(pm)`

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`text(Skye catches the 13:12 ferry.)`

`=>\ text(She arrives at West End at 14:41 = 2:41 pm)`

Which time is the same as the time shown on this digital clock?

3:45 am	3:45 pm	5:45 am	5:45 pm

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`text(3:45 pm)`

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`text(Converting from 24-hour time:)`

`text(15:45 is greater than 12:00)`

`=>\ text(Time is p.m.)`

`:.\ text(15:45 less 12 hours = 3:45 pm).`

The running time of a documentary is 157 minutes.

Michael starts watching the documentary at 12:07 pm.

What time will the documentary end in 24-hour time?

10:10	13:64	14:04	14:44	15:17

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`14:44`

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`text(Running time)`	`= 157\ text(minutes)`
	`= 2\ text(hours 37 minutes`

The digital clock below tells the time in the 24-hour system.

What is the equivalent time in the 12-hour system?

`text(5:45 am)`	`text(5:45 pm)`	`text(7:45 am)`	`text(7:45 pm)`

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`text(5:45 pm)`

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`text(Deduct 12 hours to convert to the 12 hour system:)`

`text(17:45 ⇒ 5:45 pm)`

What time is shown on the clock?

`4:08`	`4:42`	`8:21`	`9:21`

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`8:21`

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`8:21`